Reviewed on Apr 13, 2018 , Eric Bousquet, Ian Cumming, Adam Babcock, Yannick Khong

LG C8
TV REVIEW

Usage Ratings - Version 1.2
Show Help

Test Benches: test

  • 1.2: Winter 2018
  • 1.1: Summer 2017
  • 1.0: Winter 2015
  • 0.9: Winter 2014
  • 0.8: Winter 2013
8.8
Mixed Usage
Show Help
What it is General purpose. The TV will be used for a variety of content and usages. Movies at night, TV shows during the day, video games from time to time, etc.
Score components:
Recommended if under (USD)
Show Help
What it is: Maximum price to be a better value than its competitors.
How to use it: This product is the best choice in its range if you can find it below this price.
Automatically calculated every hour based on the scores and prices of all other products we've tested.
: $2,220
Value for price beaten by
Show Help
What it is: Product with the best value in this price range
Other best choice in a cheaper price range
Other best choice in a pricier price range
Automatically updated every hour based on the scores and prices of all other products we've tested.
: LG B8
9.3
Movies
Show Help
What it is Movies in the dark. The TV will be used for watching movies in a controlled environment, directly in front, in a home theater way. Mostly only high quality content, like Blu-rays, UHD Blu-rays, streaming and a little bit of HDR.
Score components:
8.5
TV Shows
Show Help
What it is TV Shows in a bright living room. The TV will be used in to watch TV shows, in a bright room during the day, from multiple viewing positions at different angles. The content watched has an average quality: cable, streaming, SD channels, etc.
Score components:
8.7
Sports
Show Help
What it is Sports in a living room. The TV will be used to watch sports during the day, like football or hockey. Usually watched with a group, so from multiple viewing position.
9.0
Video Games
Show Help
What it is Video games. The TV will be used to play video games, directly in front, in a controlled light environment. Usually fast games, like online FPS, where motion blur and input lag is important.
9.1
HDR Movies
Show Help
What it is HDR Movies and TV shows. The TV will be used to watch 4k UHD HDR content, with a wide color gamut and a high peak brightness. Either via UHD Blu-rays or HDR streaming.
8.7
HDR Gaming
Show Help
What it is HDR Gaming. The TV will be used to play HDR video games using consoles that support it or on current generation gaming PCs. Xbox One S, PS4 Pro, GTX 10 series and AMD RX series graphics cards.
8.2
PC Monitor
Show Help
What it is PC Monitor. The TV will be used as a PC monitor, from 2-3 feet away, either for productivity purposes or gaming. Sharp text is important, as well as a high resolution.
Score components:
Type : OLED
Sub-Type
Show Help
What it is: Type of display technology used by the TV.
When it matters: Different technologies have different performance and are suited to different uses
Good value: IPS maintains good color accuracy at an angle, but has a poor contrast ratio from in front. VA has great picture quality in front, but loses saturation at an angle. OLED maintains good color accuracy at an angle without any of the other issues seen with IPS and VA, as they keep good brightness and contrast at an angle.
:
WRGB
Resolution : 4k

The LG OLED C8 is a great 4k OLED TV with excellent picture quality. The emissive technology allows it to produce perfect blacks, which is excellent for dark rooms. The image also remains accurate when viewed at an angle, which is great for those with wide seating. It performs well with HDR content, as it can produce very bright and saturated highlights. The motion handling and input lag are also excellent, so it feels very responsive to gamers or PC users. It isn't perfect though, as the brightness changes depending on the screen content and static images shouldn't be shown for long on the TV due to temporary image retention and the risk of burn-in.

This TV is currently our best OLED TV.

Pros
  • Can produce perfectly deep and uniform blacks
  • Instantaneous response time
  • Image is accurate when viewed at an angle
Cons
  • May be a risk of permanent burn-in (see here)
  • Brightness changes with screen content (ABL)

Test Results
Design 9.5
Picture Quality 8.7
Motion 8.6
Inputs 8.9
Sound Quality 7.3
Smart Features 8.2
Update 5/4/2018: The SDR peak brightness window tests were retested using our Samsung K8500 Blu-ray player, rather than from a PC as originally published. This was done to keep the test results consistent with the 2017 TVs, because they were all tested using the Blu-ray player. The C8 measures a little brighter from the Blu-ray player, but not majorly.
Update 5/2/2018: The color gamut was erroneously measured at a 50% stimulus. It has been remeasured at 75% stimulus to be in line with our other TVs.

Check Price

55" OLED55C8PUA
SEE PRICE
Amazon.com
65" OLED65C8PUA
SEE PRICE
Amazon.com
77" OLED77C8PUA
SEE PRICE
Amazon.com
9.5

Design

Show Help
Score components: Subjectively assigned
LG C8 Design Picture
Curved : No

The design of the LG 2018 C8 is excellent. The stand is wide but very sturdy and well built. The frame around the screen and stand are made of aluminum and seem well built. The stand is designed to help direct sound throughout the room, but due to its shape, it is not possible to place a soundbar directly in front of the TV. The TV is more uniform in color (black and dark gray) compared to the black and white design of the B7. Similar to other LG OLED TVs we have reviewed, there is only basic cable management.

Stand
LG C8 Stand Picture

The stand is wider than last year's C7, this time taking up nearly the full width of the TV, so it may be hard to fit on some tables. It supports the TV well and is very sturdy. It is made of aluminum with a hard plastic finish.

Footprint of the 55" TV stand: 35.0" x 9.2"

Back
LG C8 Back Picture
Wall Mount : Vesa 300x200

The rear of the LG C8PUA is very similar to the C7. Basic cable management, only a small removable cable guide as seen here. The 4 HDMI inputs face to the side, but the composite input is rear facing and may be difficult to access if the TV is wall mounted. The controls are located on the back to the side, similar to the C7.

Borders
LG C8 Borders Picture
Borders : 0.35" (0.9 cm)

The borders of the LG OLED C8 are very thin and look very good. There is almost no gap between the border and the first row of pixels.

Thickness
LG C8 Thickness Picture
Max Thickness : 1.89" (4.8 cm)

The top half of the screen is exceptionally thin, comparable to last year's C7. The bottom half houses the electronics and is thin and it sits flush to a wall when mounted

Temperature
LG C8 Temperature picture
Maximum Temperature
Show Help
What it is: The peak temperature found on the TV.
When it matters: If the TV is placed in an enclosed space.
Good value: <35°C
Noticeable difference: 5°C
:
93 °F (34 °C)
Average Temperature
Show Help
What it is: The average temperature measured on the TV.
When it matters: If the TV is placed in an enclosed space.
Good value: <35°C
Noticeable difference: 5°C
:
88 °F (31 °C)

The TV stays fairly cool across the entire screen. There are a few warm spots on the back but not warm enough to cause any issues.

9.0 Build Quality
LG C8 Build quality picture

The overall build quality is excellent. The TV is solid and there were no obvious build issues or gaps. Care should be taken when moving the TV as the top is very thin.

8.7

Picture Quality

Excellent picture quality on the LG OLED C8. The infinite contrast ratio delivers perfect blacks, making this an excellent TV for watching movies in a dark room. The good wide viewing angle and excellent reflection handling make this an excellent TV even for large, bright rooms. HDR highlights are very bright and stand out. The wide color gamut makes colors pop in HDR, and the pre-calibrated levels are good enough for most viewers. Excellent gray and black uniformity, the OLED C8P is an excellent TV for Sports.

10 Contrast
Show Help
What it is: Brightness difference between white and black. This is the main component of picture quality.
When it matters: Always, but especially when watching dark scenes.
Score components:
LG C8 Checkerboard Picture
Native Contrast
Show Help
What it is: Ratio of the white brightness divided by the blacks measured on our checkerboard test pattern with a white target of 100 cd/m².
When it matters: Dark scenes in a dark room.
Good value: > 3,000
Noticeable difference: 500
:
Inf : 1
Contrast with local dimming
Show Help
What it is: Ratio of the white brightness divided by the blacks measured on our checkerboard test pattern with local dimming turned on (maximum) with a white target of 100 cd/m².
When it matters: Dark scenes in a dark room.
Good value: > 3,000
Noticeable difference: 500
:
N/A

The LG OLED C8 is an OLED panel, and as such has an infinite contrast ratio since individual pixels can be turned off. This results in perfect blacks when viewed in a dark room, great for Horror or Sci-Fi fans.

10 Local Dimming
Show Help
What it is: The lights behind the LCD layer adapt to the picture displayed, improving the contrast ratio.
When it matters: Dark scenes viewed in a dark room.
Score components: Subjectively assigned
Local Dimming
Show Help
What it is: Whether it has a feature that controls the LEDs behind the LCD layer, to match the picture and darkens the dark portion of it.
When it matters: On LED TVs only. Dark scenes viewed in a dark room.
:
No
Backlight
Show Help
What it is: Configuration of the lights of the backlight.
When it matters: Effectiveness of the local dimming.
Good value: Full-array/direct lighting is better for local dimming. As for the uniformity of the screen, it depends on the implementation. Some edge-lit TVs have more uniform blacks than some full-array TVs.
:
N/A

There is no need for local dimming on an OLED screen like the C8, as there is no backlight. This video is for reference only.

7.9 SDR Peak Brightness
Show Help
What it is: How bright the screen can get. Measured with local dimming and with SDR content.
When it matters: Bright living rooms; bright objects; SDR content.
SDR Real Scene Peak Brightness
Show Help
What it is: The maximum luminosity the TV can obtain while playing a movie or while watching a TV show. Our Real Scene was selected to represent a more regular movie condition. All measurements are made with the TV set to be as bright as possible, but with a 6500k white. Measured with local dimming on, max backlight and with an SDR signal. Scene: here.
When it matters: When watching movies and TV shows in SDR.
Good value: > 300 cd/m²
Noticeable difference: 30 cd/m²
:
383 cd/m2
SDR Peak 2% Window
Show Help
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 2% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: Bright highlights, present on screen for a short time
Good value: > 300 cd/m²
Noticeable difference: 30 cd/m²
:
429 cd/m2
SDR Peak 10% Window
Show Help
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 10% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: Bright objects, present on screen for a short time
Good value: > 300 cd/m²
Noticeable difference: 30 cd/m²
:
425 cd/m2
SDR Peak 25% Window
Show Help
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 25% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: When watching in a bright room.
Good value: > 300 cd/m²
Noticeable difference: 30 cd/m²
:
427 cd/m2
SDR Peak 50% Window
Show Help
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 50% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: When watching in a bright room.
Good value: > 300 cd/m²
Noticeable difference: 30 cd/m²
:
430 cd/m2
SDR Peak 100% Window
Show Help
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 100% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: When watching in a bright room.
Good value: > 300 cd/m²
Noticeable difference: 30 cd/m²
:
157 cd/m2
SDR Sustained 2% Window
Show Help
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 2% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: Bright highlights, persistent during a scene.
Good value: > 300 cd/m²
Noticeable difference: 30 cd/m²
:
416 cd/m2
SDR Sustained 10% Window
Show Help
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 10% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: Bright objects, persistent during a scene.
Good value: > 300 cd/m²
Noticeable difference: 30 cd/m²
:
411 cd/m2
SDR Sustained 25% Window
Show Help
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 25% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: When watching in a bright room.
Good value: > 300 cd/m²
Noticeable difference: 30 cd/m²
:
415 cd/m2
SDR Sustained 50% Window
Show Help
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 50% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: When watching in a bright room.
Good value: > 300 cd/m²
Noticeable difference: 30 cd/m²
:
400 cd/m2
SDR Sustained 100% Window
Show Help
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 100% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: When watching in a bright room.
Good value: > 300 cd/m²
Noticeable difference: 30 cd/m²
:
152 cd/m2
SDR ABL
Show Help
What it is: The coefficient of variation of the SDR sustained brightness, after linearizing for noticeable differences in luminosity
When it matters: Content with large bright areas, such as for PC or video game use, and sports such as hockey
Good value: <0.07
Noticeable difference: 0.01
:
0.066

Good SDR peak brightness on the LG OLED C8, almost identical to last year's C7. Real scene brightness is bright enough for most rooms. Highlights do not stand out in SDR. The TV remains consistent at ~350 cd/m² except when showing a large bright scene, like our 100% test window, where the screen dims significantly due to the Automatic Brightness Limiter(ABL).

With an 'OLED Light' setting of 40 or less, the fluctuations between scenes due to ABL drops to 20 cd/m² or less.

Update 05/04/2018: The brightness window tests were retested using our Samsung K8500 Blu-ray player, rather than from a PC as originally published. This was done to keep the test results consistent with the 2017 TVs, because they were all tested using the Blu-ray player. The C8 measures a little brighter from the Blu-ray player, but not majorly.

7.7 HDR Peak Brightness
Show Help
What it is: How bright the screen can get. Measured with local dimming and over HDR signal (if supported).
When it matters: Bright living rooms; bright objects; HDR content.
HDR Real Scene Peak Brightness
Show Help
What it is: The maximum luminosity the TV can obtain while playing a movie or while watching a TV show. This scene was selected to represent a more realistic movie condition. All measurement are made with the TV set to be as bright as possible, but with a 6500k white. Measured with local dimming, max backlight and over HDR signal. Scene: here.
When it matters: When watching movies or watching TV show in HDR.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
683 cd/m2
HDR Peak 2% Window
Show Help
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 2% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over HDR signal (if supported).
When it matters: Bright highlights, present on screen for a short time; especially for HDR content.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
944 cd/m2
HDR Peak 10% Window
Show Help
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 10% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over HDR signal (if supported).
When it matters: Bright objects, present on screen for a short time; especially for HDR content.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
907 cd/m2
HDR Peak 25% Window
Show Help
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 25% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over HDR signal (if supported).
When it matters: Bright rooms; bright objects in HDR video.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
517 cd/m2
HDR Peak 50% Window
Show Help
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 50% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over HDR signal (if supported).
When it matters: Bright rooms.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
330 cd/m2
HDR Peak 100% Window
Show Help
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 100% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over HDR signal (if supported).
When it matters: Bright rooms.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
161 cd/m2
HDR Sustained 2% Window
Show Help
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 2% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over HDR signal (if supported).
When it matters: Bright highlights, persistent throughout a scene; especially for HDR content.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
895 cd/m2
HDR Sustained 10% Window
Show Help
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 10% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over HDR signal (if supported).
When it matters: Bright objects, persistent throughout a scene; especially for HDR content.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
872 cd/m2
HDR Sustained 25% Window
Show Help
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 25% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over HDR signal (if supported).
When it matters: Bright rooms; bright objects in HDR video.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
498 cd/m2
HDR Sustained 50% Window
Show Help
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 50% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over HDR signal (if supported).
When it matters: Bright rooms.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
317 cd/m2
HDR Sustained 100% Window
Show Help
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 100% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over HDR signal (if supported).
When it matters: Bright rooms.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
155 cd/m2
HDR ABL
Show Help
What it is: The coefficient of variation of the HDR sustained brightness, after linearizing for noticeable differences in luminosity
When it matters: HDR content with large bright areas, such as HDR gaming
Good value: <0.07
Noticeable difference: 0.01
:
0.106

Good HDR Peak Brightness, slightly brighter than last year's E7P and much brighter than Sony's A1E, especially when showing small highlights. Real scene HDR Brightness is very good, but still short of the 1000-4000 cd/m² HDR is mastered for. Large bright scenes are very dim due to the Automatic Brightness Limiter(ABL).

8.7 Gray Uniformity
Show Help
What it is: Evenness of colors onscreen (not just gray).
When it matters: Solid colors. Sports, panning shots.
Score components:
LG C8 50% Uniformity Picture
50% Std. Dev.
Show Help
What it is: Average squared difference of pixels when displaying a mid 50% gray.
When it matters: Solid colors. Sports, panning shots.
Good value: < 2.5%
Noticeable difference: 1%
:
1.495 %
50% DSE
Show Help
What it is: High-frequency variance of uniformity. Dark spots on the screen.
When it matters: Solid colors. Sports, panning shots.
Good value: < 0.165%
Noticeable difference: 0.025%
:
0.117 %
LG C8 5% Uniformity Picture
5% Std. Dev.
Show Help
What it is: Average squared difference of pixels when displaying a mid 5% gray.
When it matters: Dark scenes.
Good value: < 1.15%
Noticeable difference: 1%
:
0.562 %
5% DSE
Show Help
What it is: High-frequency variance of uniformity. Dark spots on the screen.
When it matters: Dark scenes.
Good value: < 0.116%
:
0.097 %

Excellent gray uniformity on the C8. There are some very faint vertical lines visible on our 50% test, these are mostly visible in very dark uniform scenes. Only slight dirty screen effect in the center, which is good for watching sports.

Update 04/27/2018: When the TV shows very dark gray shades, like our 5% gray uniformity test, vertical and sometimes horizontal bands are very visible across the screen. This was also an issue with all 2017 and 2016 OLED TVs we tested, including the Sony A1E. It shouldn't be an issue in most normal content, but in some very dark scenes it can be visible.

7.8 Viewing Angle
Show Help
What it is: Color accuracy when viewed from the side.
When it matters: Large living rooms with multiple viewing positions.
Score components:
LG C8 Color Shift Picture
Color Shift
Show Help
What it is: Angle where the colors noticeable shift compared to when viewed from directly in front of the TV. 0 ° means directly facing the TV. Measurements are up to a maximum of 75 °.
When it matters: Large living rooms with multiple viewing positions.
Good value: > 50°
Noticeable difference: 10°
:
28 °
LG C8 Brightness Picture
Brightness
Show Help
What it is: Angle where the brightness drops to 50% of the brightness directly in front of the TV. 0 ° means directly facing the TV. Measurements are up to a maximum of 75 °.
When it matters: Large living rooms with multiple viewing positions.
Good value: > 50°
Noticeable difference: 10°
:
64 °
LG C8 Black Level Picture
Black Level
Show Help
What it is: Angle where the black level drops to 50% of the black level directly in front of the TV. 0 ° means directly facing the TV. Measurements are up to a maximum of 75 °.
When it matters: Large living rooms with multiple viewing positions.
Good value: > 50°
Noticeable difference: 10°
:
75 °

Very good viewing angle on the LG C8PUA, as is typical of OLED screens. Black levels remain perfect regardless of viewing angle. Colors shift when viewing off access, but the shift is not as severe as other TVs like the Samsung Q8C. This TV is a great fit for a large room with side seating.

10 Black Uniformity
Show Help
What it is: Evenness of blacks.
When it matters: Dark scenes viewed in a dark room.
Score components:
LG C8 Native Black Uniformity Picture
Native Std. Dev.
Show Help
What it is: Average of the squared difference of the blacks.
When it matters: Dark scenes viewed in a dark room.
Good value: < 1%
Noticeable difference: 1%, but keep in mind that it varies a lot by unit, even of the same model; yours likely will not end up exactly like ours.
:
0.230 %
Std. Dev. w/ L.D.
Show Help
What it is: Average of the squared difference of the blacks with Local Dimming enabled
When it matters: Dark scenes viewed in a dark room.
Good value: < 1%
Noticeable difference: 1%, but keep in mind that it varies a lot by unit, even of the same model; yours likely will not end up exactly like ours.
:
N/A

The OLED55C8PUA has perfect black uniformity, with no clouding due to its ability to turn off black pixels. This TV is especially well suited to watching movies in a dark room.

9.5 Reflections
Show Help
What it is: How much light is reflected by the TV.
When it matters: Bright rooms.
Score components:
LG C8 Reflections Picture LG C8 Average Room Off Picture LG C8 Bright Room Off Picture
Screen Finish
Show Help
What it is: Type of coating on the screen.
When it matters: Bright objects in the direct reflection path (for example, opposite the TV).
Good value: Glossy is good for ambient light, but not for direct reflections.
:
Glossy
Total Reflections
Show Help
What it is: The amount of light which is reflected off the screen, in all directions.
When it matters: When watching TV in a bright room, with lamps, windows or walls which reflect directly off the screen.
Good value: 4.5 %
Noticeable difference: 0.5 %
:
1.3 %
Indirect Reflections
Show Help
What it is: The amount of light reflected off the screen, ignoring direct (mirror-like) reflections
When it matters: Watching TV in a bright room, without sunlight or lamps directed at the TV
Good value: 1.0 %
Noticeable difference: 0.5 %
:
0.1 %

The OLED C8 has excellent reflection handling. The glossy screen results in very defined reflections, but at a very low intensity. The anti-reflective coating gives reflections a purple tint, similar to other high-end TVs like the E7 and Q8C. The results are excellent and there should be no issues using this TV in a bright room.

8.1 Pre Calibration
Show Help
What it is: TV's color accuracy before a full calibration. Only the picture mode, color temperature, and backlight level were changed.
When it matters: All video on an uncalibrated TV. This represents most people's use cases.
Score components:
LG C8 Pre Calibration Picture LG C8 Pre Gamma Curve Picture LG C8 Pre Color Picture
Picture Mode
Show Help
What it is: The picture mode used to do the 'Pre Calibration' measurements.
:
Expert (Dark Room)
White Balance dE
Show Help
What it is: Average inaccuracy of shades of gray.
When it matters: Overall color temperature of all video.
Good value: < 3
Noticeable difference: 1
:
2.52
Color dE
Show Help
What it is: Average inaccuracy of colors.
When it matters: All colors.
Good value: < 3
Noticeable difference: 1
:
2.11
Gamma
Show Help
What it is: Brightness of shades of gray.
When it matters: Shadows.
Good value: Between 2.1 and 2.3 (our target is 2.2)
Noticeable difference: 0.1
:
2.15
Color Temperature
Show Help
What it is: The color temperature is a measure of the color of light. A colder color temperature (7000K) will look bluer and a warmer color temperature (4000K) will look yellower/redder. 6500K is the standard color temperature use in the TV and film industry as program, film, and photography directors usually work on monitors calibrated on the 6500k color temperature and do their color correction base on what they see on those monitors.
When it matters: To get the most accurate picture when watching TV shows, movies or video games. This is particularly for skin tones.
Good value: 6500K
Noticeable difference: 400K
:
6055 K

The most accurate results before calibration were on the 'Expert (Dark Room)' picture mode, with the Gamma setting changed to 2.2. Out of the box, the color accuracy and white balance are good, although the temperature is a bit warm so the colors are shifted a bit yellow.

9.6 Post Calibration
Show Help
What it is: TV's color accuracy after a full calibration with a spectrophotometer.
When it matters: All video on a TV that has been professionally calibrated. This isn't that useful, because most TVs can achieve a pretty good calibration if you spend enough time on them.
Score components:
LG C8 Post Calibration Picture LG C8 Post Gamma Curve Picture LG C8 Post Color Picture
Picture Mode
Show Help
What it is: The picture mode used to do the calibration. We usually go for the picture mode that gives us the more control over all the picture quality setting.
:
Expert (Dark Room)
White Balance dE
Show Help
What it is: Average inaccuracy of shades of gray.
When it matters: Overall color temperature of all videos.
Good value: < 3
Noticeable difference: 1
:
0.11
Color dE
Show Help
What it is: Average inaccuracy of colors.
When it matters: All colors.
Good value: < 3
Noticeable difference: 1
:
1.09
Gamma
Show Help
What it is: Brightness of shades of gray.
When it matters: Shadows.
Good value: Between 2.1 and 2.3 (our target is 2.2)
Noticeable difference: 0.1
:
2.20
Color Temperature
Show Help
What it is: The color temperature is a measure of the color of light. A colder color temperature (7000K) will look bluer and a warmer color temperature (4000K) will look yellower/redder. 6500K is the standard color temperature use in the TV and film industry as program, film, and photography directors usually work on monitors calibrated on the 6500k color temperature and do their color correction base on what they see on those monitors.
When it matters: To get the most accurate picture when watching TV shows, movies or video games. This is particularly for skin tones.
Good value: 6500K
Noticeable difference: 400K
:
6496 K

Excellent color and white balance dE after calibration, better than the C7 and Samsung's Q9F. While the calibration out of the box was already very good, after calibration the colors were nearly perfect. Gamma follows our target almost perfectly.

You can see our recommended settings here

8.0 480p Input
Show Help
What it is: Quality of a 480p input.
When it matters: Standard definition TV, DVDs.
Score components: Subjectively assigned
LG C8 480p Picture

The C8 upscales older 480p content well. The resulting image quality is not overly sharp.

8.0 720p Input
Show Help
What it is: Quality of a 720p input.
When it matters: HD channels, some streaming videos.
Score components: Subjectively assigned
LG C8 720p Picture

There are no issues upscaling 720p content.

9.0 1080p Input
Show Help
What it is: Quality of a 1080p input.
When it matters: Blu-rays, streaming video, video files, video games.
Score components: Subjectively assigned
LG C8 1080p Picture

The LG OLED C8 upscales 1080p content played from a Blu-ray or game console well. There were no obvious issues.

10 4k Input
Show Help
What it is: Quality of a 4k UHD input.
When it matters: Streaming video, UHD Blu-rays, some PCs.
Score components: Subjectively assigned
LG C8 4k Picture

Native 4k input is displayed as intended.

8.5 Color Gamut
Show Help
What it is: How many colors the TV can display.
When it matters: HDR content. Includes some streaming videos and UHD Blu-rays.
Score components:
Wide Color Gamut
Show Help
What it is: Whether the TV has an option to enable wide color gamuts.
When it matters: HDR content. Includes some streaming videos and UHD Blu-rays.
:
Yes
LG C8 Color Gamut DCI-P3 Picture
DCI P3 xy
Show Help
What it is: Coverage of the DCI P3 colorspace on CIE 1931 xy.
When it matters: DCI P3 content. Includes HDR, UHD Blu-rays.
Good value: > 90%
Noticeable difference: 5%
:
96.64 %
DCI P3 uv
Show Help
What it is: Coverage of the DCI P3 colorspace on CIE 1976 u' v'.
When it matters: DCI P3 content. Includes HDR, UHD Blu-rays.
Good value: > 90%
Noticeable difference: 5%
:
98.13 %
LG C8 Color Gamut Rec.2020 Picture
Rec 2020 xy
Show Help
What it is: Coverage of the Rec.2020 colorspace on CIE 1931 xy.
When it matters: Rec.2020 content. Includes HDR, UHD Blu-rays.
Good value: > 90%
Noticeable difference: 5%
:
70.44 %
Rec 2020 uv
Show Help
What it is: Coverage of the Rec.2020 colorspace on CIE 1976 u' v'.
When it matters: Rec.2020 content. Includes HDR, UHD Blu-rays.
Good value: > 90%
Noticeable difference: 5%
:
73.98 %
LG C8 EOTF

Excellent coverage of the P3 color space, nearly identical to the C7 and E7 from 2017.

The HDR EOTF in the 'Technicolor Expert' picture mode follows our target PQ curve very well until it rolls off at the TV's peak brightness. The EOTF in 'PC' and in 'Game' are very similar to that of 'Technicolor Expert', although 'Game' is brighter than the other two.

When displaying HDR content in 'PC Mode' colors appear washed, the C8PUA does not detect the wide color gamut and the setting cannot be changed.

Update 05/02/2018: The color gamut was erroneously measured at a 50% stimulus. It has been remeasured at 75% stimulus to be in line with our other TVs. The results remain almost identical.

7.0 Color Volume
Show Help
What it is: How many colors a TV can display at different luminosity levels.
When it matters: HDR content. Includes some streaming videos, UHD Blu-rays and HDR games.
LG C8 P3 Color Volume ITP Picture
Normalized DCI P3 Coverage ITP
Show Help
What it is: How much of the DCI-P3 colorspace a TV can display at different luminosity levels
When it matters: HDR content. Includes some streaming videos, UHD Blu-rays and HDR games.
Good value: 80%
Noticeable difference: 5%
:
79.9 %
10,000 cd/m² DCI P3 Coverage ITP
Show Help
What it is: How much of the DCI-P3 colorspace a TV can display at different luminosity levels when compared to an ideal 10,000 nit TV
When it matters: HDR content. Includes some streaming videos, UHD Blu-rays and HDR games.
:
44.5 %
LG C8 2020 Color Volume ITP Picture
Normalized Rec 2020 Coverage ITP
Show Help
What it is: How much of the Rec. 2020 colorspace a TV can display at different luminosity levels
When it matters: HDR content. Includes some streaming videos, UHD Blu-rays and HDR games.
Good value: 80 %
Noticeable difference: 5 %
:
60.9 %
10,000 cd/m² Rec 2020 Coverage ITP
Show Help
What it is: How much of the Rec 2020 colorspace a TV can display at different luminosity levels when compared to an ideal 10,000 nit TV
When it matters: HDR content. Includes some streaming videos, UHD Blu-rays and HDR games.
:
33.9 %

Decent color volume, similar to last year's C7 and B7A, but much worse than the Samsung QLEDs. The C8 has decent coverage of the P3 color space, but is unable to produce overly bright, saturated colors. This will be noticeable in bright outdoor scenes when watching Movies or TV Shows.

9.1 Gradient
Show Help
What it is: How finely levels of color can be displayed.
When it matters: Details in shadows, sky and skin tones. Matters more for HDR content.
LG C8 Gradient Picture
Color Depth
Show Help
What it is: Number of bits per pixel to represent a specific color. Note: we consider 8-bit with dithering to be equivalent to 10-bit, as long as the 10-bit gradient looks smooth.
When it matters: HDR content like UHD Blu-ray players. Won't matter for cable TV, regular Blu-ray movies, video game consoles or content displayed from a Windows PC. Those are limited to 8-bit color.
Good value: 10-bit.
Noticeable difference: 1 bit.
:
10 Bit
Red (Std. Dev.)
Show Help
What it is: The standard deviation of the color differences (dE) between subsequent 10 bit red shades.
When it matters: Details in skin tones, sunsets, and other reddish objects. Matters more for HDR content.
Good value: < 0.12 dE
Noticeable difference: 0.01 dE
:
0.084 dE
Green (Std. Dev.)
Show Help
What it is: The standard deviation of the color differences (dE) between subsequent 10 bit green shades.
When it matters: Details in ocean shades and other greenish objects. Matters more for HDR content.
Good value: < 0.12 dE
Noticeable difference: 0.01 dE
:
0.089 dE
Blue (Std. Dev.)
Show Help
What it is: The standard deviation of the color differences (dE) between subsequent 10 bit blue shades.
When it matters: Details in skies, water and other blueish objects. Matters more for HDR content.
Good value: < 0.12 dE
Noticeable difference: 0.01 dE
:
0.077 dE
Gray (Std. Dev.)
Show Help
What it is: The standard deviation of the color differences (dE) between subsequent 10 bit gray shades.
When it matters: Details in dull colors, such as shadows, glow and urban scenes. Matters more for HDR content.
Good value: < 0.12 dE
Noticeable difference: 0.01 dE
:
0.053 dE

The LG OLED C8 displays our test gradient smoothly with no significant banding. In certain scenes there is some banding noticeable in large areas of similar color. This can be reduced by enabling 'MPEG Noise Reduction', which toggles the gradient smoothing feature of the C8. This reduces the visible banding but also results in a loss of fine detail.

8.3 Temporary Image Retention
Show Help
What it is: How much a static image is retained on a TV screen after a certain amount of time.
When it matters: When watching TV show, playing video games or when using your TV as a PC monitor.
LG C8 Image Retention Picture
IR after 0 min recovery
Show Help
What it is: Image retention measured right after the static image exposure, without recovery time.
When it matters: When changing channels while watching TV, right after changing the type of content (i.e. stopping playing video game to watch a movie) or changing input.
Good value: 0 is perfect.
Noticeable difference: 0.015%
:
0.53 %
IR after 2 min recovery
Show Help
What it is: Image retention measured after a recovery time of 2 minutes.
When it matters: When changing channels while watching TV, right after changing the type of content (i.e. stopping playing video game to watch a movie) or changing input.
Good value: 0 is perfect
Noticeable difference: 0.015%
:
0.11 %
IR after 4 min recovery
Show Help
What it is: Image retention measured after a recovery time of 4 minutes.
When it matters: When changing channels while watching TV, right after changing the type of content (i.e. stopping playing video game to watch a movie) or changing input.
Good value: 0 is perfect.
Noticeable difference: 0.015%
:
0.00 %
IR after 6 min recovery
Show Help
What it is: Image retention measured after a recovery time of 6 minutes.
When it matters: When changing channels while watching TV, right after changing the type of content (i.e. stopping playing video game to watch a movie) or changing input.
Good value: 0 is perfect.
Noticeable difference: 0.015%
:
0.02 %
IR after 8 min recovery
Show Help
What it is: Image retention measured after a recovery time of 8 minutes.
When it matters: When changing channels while watching TV, right after changing the type of content (i.e. stopping playing video game to watch a movie) or changing input.
Good value: 0 is perfect.
Noticeable difference: 0.015%
:
0.00 %
IR after 10 min recovery
Show Help
What it is: Image retention measured after a recovery time of 10 minutes.
When it matters: When changing channels while watching TV, right after changing the type of content (i.e. stopping playing video game to watch a movie) or changing input.
Good value: 0 is perfect.
Noticeable difference: 0.015%
:
0.00 %

The TV shows some signs of image retention even after 4 minutes of recovery time.

This test is only indicative of short term image retention and not the permanent burn-in that may occur with a longer exposure to static images. We are currently running a test to help us better understand permanent burn-in. You can read about our investigation into this here.

Note: There is some variation between panels even of the same model. Some panels may be more or less prone to image retention.

1.0 Permanent Burn-In Risk
Show Help
What it is: The risk of developing a persistent image retention, also known as burn-in, after being exposed to a static image for a prolonged time
When it matters: When watching TV shows, playing video games or when using your TV as a PC monitor where static content is present
Score components:
Permanent Burn-In Risk
Show Help
What it is: If the TV faces a risk of developing permanent burn-in after being expose, for a long period of time, to static images.
When it matters: When watching TV shows with static logos or banners (news or sports channels), when playing video games with a HUD (head up display), and when using a TV as a PC monitors.
:
Yes

OLED TVs such as the LG OLED C8 have an inherent risk of experience permanent image retention.

The LG C8 has three features to help mitigate burn-in. We recommend enabling the 'Pixel Refresh' and 'Screen Shift' options and setting 'Logo Luminance Adjustment' to 'Low'

You can read about our investigation into this here

Pixels
LG C8 Pixels Picture

With WRGB OLEDs all four subpixels are never on at the same time, so we have two photos.

Alternative pixel picture.

The 2018 LG OLED C8 handles motion extremely well. The near instantaneous response time is excellent for watching sports or playing video games, as there is no ghosting or trailing during fast motion. Also, there is no visible flicker since there is no traditional backlight on OLED TVs, unlike Samsung's QLED technology. One downside to OLED technology is that there is some stutter when playing low frame rate content, especially when watching movies or TV Shows.

10 Response Time
Show Help
What it is: Amount of blur in fast motion.
When it matters: Sports, video games.
Score components:
LG C8 Motion Blur Picture LG C8 Response Time Chart
80% Response Time
Show Help
What it is: How quickly pixels can reach 80% of a full transition from one color to another.
When it matters: Fast movement.
Good value: < 8 ms
Noticeable difference: 4 ms
:
0.2 ms
100% Response Time
Show Help
What it is: How quickly pixels can fully transition from one color to another.
When it matters: Fast movement.
Good value: < 20 ms
Noticeable difference: 10 ms
:
1.7 ms

Like all OLED TVs, the response time is nearly perfect. There is some slight overshoot when transitioning from a black frame, such as in the 0-20% and 0-80% transition, but this should not be noticeable. The response time is excellent when watching fast-paced movies or sports, as the TV has no ghosting/movement trails during fast motion.

10 Flicker-Free
Show Help
What it is: How noticeable flicker is on the screen, when all optional flicker has been disabled.
When it matters: All usages, but particularly when viewing fast motion (such as in sports and video games) or when using the TV as a PC monitor.
Score components:
LG C8 Backlight chart
Flicker-Free
Show Help
What it is: Whether the screen will be perceived as having no flicker during normal viewing conditions.
When it matters: When flicker is especially bothersome, such as when using the TV as a PC monitor.
Good value: Yes
:
No
PWM Dimming Frequency
Show Help
What it is: The flicker frequency of the screen, when all optional flicker has been disabled.
When it matters: All usages, but particularly when viewing fast motion (such as in sports and video games) or when using the TV as a PC monitor.
Good value: 0 Hz or very high frequencies (> 300 Hz). Frequencies that are multiples of 60Hz are better.
:
0 Hz

Like all OLED TVs, there is no visible backlight flicker which helps motion appear smoother, but it does result in some persistence blur. This is much better than the Samsung Q7F or LG SJ9500 with their 120 Hz flicker, where duplications will appear during motion.

8.0 Black Frame Insertion (BFI)
Show Help
What it is: How effective the TV's flickering capabilities are in making motion look clearer, when flicker is desired.
When it matters: When flicker is desired by the user. Flicker is especially useful to make motion look clearer when viewing 60 fps content (sports, video games) and when using motion interpolation.
LG C8 BFI Picture LG C8 BFI Frequency Picture
Optional BFI
Show Help
What it is: Option to turn the screen black between frames.
When it matters: When flicker is desired by the user. Flicker is especially useful to make motion look clearer when viewing 60 fps content (sports, video games) and when using motion interpolation.
Good value: Yes
:
Yes
Min Flicker for 60 fps
Show Help
What it is: Lowest possible frequency of flickering pattern when playing 60 fps content.
When it matters: When viewing fast motion such as sports and video games.
Good value: 60 Hz
Noticeable difference: 20 Hz
:
60 Hz
60 Hz for 60 fps
Show Help
What it is: Whether the screen can flicker at 60 Hz when playing 60 fps content.
When it matters: When playing 60 fps content, such as sports and video games.
Good value: Yes
:
Yes
120 Hz for 120 fps
Show Help
What it is: Whether the screen can flicker at 120 Hz when playing 120 fps content.
When it matters: When playing 120 fps content, such as when using motion interpolation on a 120 Hz TV.
Good value: Yes
:
No
Min Flicker for 60 fps in Game Mode
Show Help
What it is: Lowest possible frequency of flickering pattern when playing 60 fps content in Game Mode.
When it matters: When playing video games with fast motion.
Good value: 60 Hz
Noticeable difference: 20 Hz
:
60 Hz

The LG OLED C8 has an optional BFI mode to help reduce blur. This is new this year for LG OLEDs, although Sony did implement it on last year's A1E. On the C8 this is enabled by setting 'Motion Pro' to 'On'. With 120 fps content the C8 drops every other frame.

10 Motion Interpolation
Show Help
What it is: Also known as 'Soap Opera Effect'. It is an optional feature that increases the frame rate of the video, smoothing movement.
When it matters: If you like the look of smoothed video. Not everyone does.
LG C8 Motion Interpolation (30 fps) Picture
Motion Interpolation (30 fps)
Show Help
What it is: Whether the TV can take a 30 fps input and heighten the frame rate to at least 60 fps.
When it matters: 30 fps or lower videos. Includes movies, TV shows, some video games.
:
Yes
LG C8 Motion Interpolation (60 fps) Picture
Motion Interpolation (60 fps)
Show Help
What it is: Whether the TV can take a 60 fps input and heighten the frame rate to at least 100 fps.
When it matters: 60 fps videos. Includes some video games, some sports channels.
:
Yes

The TV uses motion interpolation (commonly known as the Soap Opera Effect) to artificially increase the frame rate of lower fps content up to a much smoother 120 fps. Motion Interpolation can look strange to many people, and it creates artifacts. In scenes with a lot of motion, the C8 stops interpolating the extra frames to avoid creating artifacts, preferring accuracy over smooth motion.

To enable this feature when watching lower frame rate content, set 'TrueMotion' to 'User' and adjust the 'De-Judder' slider for low frame rate content (such as 30 fps), and the 'De-Blur' sliders for 60 fps content.

4.8 Stutter
Show Help
What it is: Jarring effect caused by static frame time during motion sequences
When it matters: When watching content with long panning shots and other smooth movement
Frame Hold Time @ 24 fps
Show Help
What it is: Time that frame is static during 24Hz videos such as movies
When it matters: When watching movies and other low frame rate content which contain panning shots
Good value: < 24 ms
Noticeable difference: 5 ms
:
40.0 ms
Frame Hold Time @ 60 fps
Show Help
What it is: Time that frame is static during 60 fps content such as TV shows
When it matters: When watching 60 fps content containing slow panning shots (such as field sports)
Good value: < 24 ms
Noticeable difference: 5 ms
:
15.0 ms

The C8, like all OLED TVs, has a near instantaneous response time. This results in each frame remaining static for nearly 40ms when watching 24 fps content which creates noticeable stutter. The stutter can be reduced by increased by enabling motion interpolation.

8.9 24p Judder
Show Help
What it is: Whether 24p content can play without any judder.
When it matters: Only 24p content (mostly just movies).
Judder-Free 24p
Show Help
What it is: Judder-free movies over 24p signal.
When it matters: Blu-ray and DVD movies; 24 hz PC signal.
:
Yes
Judder-Free 24p via 60p
Show Help
What it is: Judder-free movies over 60p signal.
When it matters: Movies from streaming devices (Apple TV, Fire TV, etc.); 60 hz PC signal.
:
Yes
Judder-Free 24p via 60i
Show Help
What it is: Judder-free movies over 60i signal.
When it matters: Movies from cable/satellite boxes.
:
No
Judder-Free 24p via Native Apps
Show Help
What it is: Judder-free movies when playing from native apps.
When it matters: Movies from streaming native apps (Netflix, Amazon TV, etc.).
:
Yes

The TV is consistently able to remove judder from native 24 fps content, whether that content is played from the native apps or external sources such as a Blu-ray player. It can also remove judder consistently from 60 fps progressive scan content, but is inconsistent with interlaced content. Some judder may be visible when watching interlaced movies.

To enable this feature when playing 24p content from an external player, the 'Real Cinema' option must be turned on, and 'TrueMotion' must be set to 'User' with both the 'De-Judder' and 'De-Blur' sliders set to zero.

Note: We will retest 24p Judder when the next firmware update is released as this result is unexpected.

Update 05/14/2018: When BFI is enabled, the C8 is not able to remove judder from a 24p source.

0 Variable Refresh Rate
Show Help
What it is: How frequently the TV can refresh and show new frames, and whether it can vary its refresh rate in real time using technologies like HDMI Forum's Variable Refresh Rate.
When it matters: Mostly for gaming, but does provide a little better motion during normal usage.
Native Refresh Rate
Show Help
What it is: The out-of-the-box maximum refresh rate; how frequently the TV can refresh and show new frames.
When it matters: When playing content with a frame rate that matches the TV's refresh rate (ex. 60 fps on a 60 Hz TV, 120 fps on a 120 Hz TV), or when using the TV's motion interpolation feature (soap opera effect).
Good value: 60 Hz
:
120 Hz
Variable Refresh Rate
Show Help
What it is: Feature that allows the TV to synchronize its refresh rate with the input device's output and reduces stuttering and screen tearing.
When it matters: Almost every usage, but is most noticeable when gaming where constant fluctuation in framerate cause distracting artifacts.
:
No
4k VRR Maximum
Show Help
What it is: The maximum frequency covered by the Variable Refresh Rate feature of the TV when the input signal is 4k.
When it matters: Any time the VRR feature is enabled and 4k is sent.
Good value: Matches maximum refresh rate at 4k.
Noticeable difference: 10 Hz
:
N/A
4k VRR Minimum
Show Help
What it is: The lowest frequency covered by the TV's Variable Refresh Rate feature when the input signal is 4k.
When it matters: When using the VRR feature of the TV at lower frame rates when sending a 4k signal.
Good value: 30 Hz
:
N/A
1080p VRR Maximum
Show Help
What it is: The maximum frequency covered by the Variable Refresh Rate feature of the TV when the input signal is 1080p.
When it matters: Any time the VRR feature is enabled and 1080p is sent.
Good value: Matches maximum refresh rate at 1080p.
Noticeable difference: 10 Hz
:
N/A
1080p VRR Minimum
Show Help
What it is: The lowest frequency covered by the TV's Variable Refresh Rate feature when the input signal is 1080p.
When it matters: When using the VRR feature of the TV at lower frame rates when sending a 1080p signal.
Good value: 30 Hz
:
N/A
VRR Supported Connectors
Show Help
What it is: The inputs which support a variable refresh rate (eg. HDMI, DisplayPort)
When it matters: When gaming with different consoles or graphics cards.
:
N/A

The LG C8PU does not support any of the variable refresh rates technologies such as G-Sync, FreeSync, or the native VRR which will be available in HDMI 2.1.

8.9

Inputs

Show Help
Score components:

The LG C8P supports all the most common input signals including HDR. It has very good low input lag that is consistent regardless of input format, so there should be no issues for most gamers. Input lag at 4k @ 60Hz outside of game mode is among the lowest we have ever tested. It supports chroma 4:4:4 and 1080p @ 120 Hz, which is good for use as a monitor.

9.0 Input Lag
Show Help
What it is: Delay between input and onscreen reaction.
When it matters: Video games; when TV is used as PC monitor.
1080p @ 60Hz
Show Help
What it is: Lowest input lag possible on TV with a 1080p @ 60Hz @ 4:2:2 input.
When it matters: Video games and also when TV is used as PC monitor.
Good value: < 40 ms
Noticeable difference: 15 ms
:
21.1 ms
1080p @ 60Hz + HDR
Show Help
What it is: Lowest input lag possible on the TV when displaying 1080p @ 60Hz @ 4:2:2 @ 10 bit with HDR.
When it matters: HDR video games from a console outputting a 1080p signal.
Good value: < 40 ms
Noticeable difference: 15 ms
:
21.0 ms
1080p @ 60Hz Outside Game Mode
Show Help
What it is: Lowest input lag possible on the TV when displaying 1080p @ 60Hz @ 4:2:2 in a fully featured picture mode.
When it matters: For playing video games while retaining access to all features of the TV.
Good value: < 40 ms
Noticeable difference: 15 ms
:
50.0 ms
1080p @ 120Hz
Show Help
What it is: Lowest input lag possible on TV with a 1080p @ 120Hz input.
When it matters: When the TV is used as PC monitor.
Good value: < 40 ms
Noticeable difference: 15 ms
:
21.9 ms
4k @ 60Hz
Show Help
What it is: Lowest input lag possible on TV when displaying 4k @ 60Hz @ 4:2:0.
When it matters: Video games and also when TV is used as PC monitor.
Good value: < 40 ms
Noticeable difference: 15 ms
:
21.1 ms
4k @ 60Hz + HDR
Show Help
What it is: Lowest input lag possible when displaying 4k @ 60Hz @ 4:2:0 @ 10 bit signal with HDR.
When it matters: HDR Video games.
Good value: < 40 ms
Noticeable difference: 15 ms
:
29.4 ms
4k @ 60Hz @ 4:4:4
Show Help
What it is: Lowest input lag possible on the TV when displaying 4k @ 60Hz with proper 4:4:4 chroma subsampling. The test is usually conducted with a 4k @ 60 Hz @ 4:4:4 signal, but a 4k @ 60 Hz @ Full RGB signal may be used if it's required for the TV to show proper 4:4:4 chroma subsampling.
When it matters: PC Monitor
Good value: < 40 ms
Noticeable difference: 15 ms
:
21.1 ms
4k @ 60Hz @ 4:4:4 + 8 bit HDR
Show Help
What it is: Lowest input lag possible on the TV when displaying 4k @ 60Hz @ 8 bit + HDR with proper 4:4:4 chroma subsampling. The test is usually conducted with a 4k @ 60 Hz @ 4:4:4 @ 8 bit signal, but a 4k @ 60 Hz @ Full RGB @ 8 bit signal may be used if it's required for the TV to show proper 4:4:4 chroma subsampling.
When it matters: PC Monitor with an HDR capable graphic card
Good value: < 40 ms
Noticeable difference: 15 ms
:
N/A
4k @ 60Hz Outside Game Mode
Show Help
What it is: Lowest input lag possible on the TV when displaying 4k @ 60Hz @ 4:2:0 in a fully featured picture mode.
When it matters: For playing video games while retaining access to all features of the TV.
Good value: < 40 ms
Noticeable difference: 15 ms
:
50.0 ms
4k With Interpolation
Show Help
What it is: Lowest input lag for 4k @ 60 Hz @ 4:2:0 content when the motion interpolation feature is turned on.
When it matters: When you want to play video games with the Soap Opera Effect enabled.
Good value: < 40 ms
Noticeable difference: 15 ms
:
100.0 ms
4k @ 120 Hz
Show Help
What it is: Lowest input lag possible on TV with a 4k @ 120Hz input.
When it matters: When the TV is used as PC monitor.
Good value: < 40 ms
Noticeable difference: 15 ms
:
N/A
4k with Variable Refresh Rate
Show Help
What it is: Lowest input lag possible on the TV when its Variable Refresh Rate feature is enabled and it is sent a 4k signal.
When it matters: When gaming with a device which supports variable refresh rates, such as the Xbox One X or a PC.
:
N/A
1080p with Variable Refresh Rate
Show Help
What it is: Lowest input lag possible on the TV when its Variable Refresh Rate feature is enabled and it is sent a 1080p signal.
When it matters: When gaming with a device which supports variable refresh rates, such as the Xbox One X or a PC.
:
N/A

Very good low input lag, similar to the C7P. In game mode, the input lag is very low regardless of resolution, and outside of game mode the input lag is lower at 4k than the C7, and is one of the lowest we have ever tested.

The input lag was slightly higher in 4k @ 60 Hz + HDR. This result is highly unusual and has been retested to verify the results. The input lag is still low, and should feel very responsive.

8.3 Supported Resolutions
Show Help
What it is: Different resolutions supported by TV.
When it matters: PC monitor usage.
Score components:
  • 17% 1080p @ 60Hz @ 4:4:4
  • 17% 1080p @ 120Hz
  • 17% 1440p @ 60Hz
  • 17% 4k @ 30Hz @ 4:4:4
  • 17% 4k @ 60Hz
  • 17% 4k @ 60Hz @ 4:4:4
1080p @ 60Hz @ 4:4:4
Show Help
What it is: Crisp text on 1060p @ 60 hz signal.
When it matters: PC productivity and 60 fps gaming.
:
Yes
1080p @ 120Hz
Show Help
What it is: 120 fps 1080p signal supported.
When it matters: PC gaming.
:
Yes (native support)
1440p @ 60Hz
Show Help
What it is: 60 fps 1440p signal supported.
When it matters: PC productivity and gaming.
:
No
4k @ 30Hz @ 4:4:4
Show Help
What it is: Crisp text on 4k @ 30 hz signal.
When it matters: PC productivity and gaming.
:
Yes
4k @ 60Hz
Show Help
What it is: 60 fps 4k signal supported.
When it matters: PC productivity and gaming.
:
Yes
4k @ 60Hz @ 4:4:4
Show Help
What it is: Crisp text on 4k @ 60 hz signal.
When it matters: Productivity and 60 fps gaming in 4k.
:
Yes
4k @ 120Hz
Show Help
What it is: 4k 120Hz signal supported
When it matters: PC gaming
:
No

Most of the common input resolutions are displayed properly without any issues. The TV does not support 1440p resolution. When connecting to a PC, the HDMI input must have its icon changed to 'PC'. 4k @ 60 Hz @ 4:2:2 or 4:4:4 color is only supported when 'HDMI ULTRA HD Deep Color' is enabled in the 'Picture/Additional Settings/' menu for the chosen input.

The new α9 processor also supports 120 fps files in 1080p when played from a USB drive.

Side Inputs
Rear Inputs
Total Inputs
HDMI : 4
USB : 3
Digital Optical Audio Out : 1
Analog Audio Out 3.5mm : 0
Analog Audio Out RCA : 0
Component In : 0
Composite In : 1 (incl. adapter)
Tuner (Cable/Ant) : 1
Ethernet : 1
DisplayPort : 0
IR In : 0
SD/SDHC : 0

The C8 does not have a component input. It does support composite input via the included adapter. Surprisingly, the TV has 3 USB 2.0 ports, and no 3.0 ports unlike the 2017 C7.

Like the 2017 OLEDs, the OLED C8 does not have an analog audio output. To connect a wireless headphones you will need a digital to analog converter like this one.

Inputs Specifications
HDR10
Show Help
What it is: Standard HDR format.
When it matters: Most common format. All UHD Blu-ray discs are required to have it.
:
Yes
Dolby Vision
Show Help
What it is: Better format, due to its dynamic nature.
When it matters: Dolby Vision mastered content. Current available from streaming services (Netflix, Amazon Video), some Blu-Ray players, the Apple TV 4k and ChromeCast Ultra.
:
Yes
HLG
Show Help
What it is: HLG or Hybrid Log Gamma is a broadcast HDR format.
When it matters: HLG capable sources such as Youtube or OTA broadcasts in specific regions. Backwards compatible with SDR TVs.
:
Yes
3D
Show Help
What it is: Optional 3D video capability on TV.
When it matters: 3D movies & videos.
:
No
5.1 Passthrough ARC Dolby Digital
Show Help
What it is: TV can receive and pass Dolby Digital 5.1 signal to receiver via HDMI ARC.
When it matters: 5.1 audio on DVDs and Blu-rays.
:
Yes
5.1 Passthrough ARC DTS
Show Help
What it is: TV can receive and pass DTS 5.1 signal to receiver via HDMI ARC.
When it matters: 5.1 audio on DVDs and Blu-rays.
:
Yes
5.1 Passthrough Optical Dolby Digital
Show Help
What it is: TV can receive and pass Dolby Digital signal to receiver via digital optical.
When it matters: 5.1 audio on DVDs and Blu-rays.
:
Yes
5.1 Passthrough Optical DTS
Show Help
What it is: TV can receive and pass DTS signal to receiver via digital optical.
When it matters: 5.1 audio on DVDs and Blu-rays.
:
Yes
HDMI 2.0 Full Bandwith
Show Help
What it is: HDMI 2.0 is the main used HDMI standard and supports a range of video resolutions and refresh rates up to 4k@60Hz, with a total maximum bandwidth up to 18Gbps.
:
Yes (HDMI 1,2,3,4)
HDMI 2.1 Full Bandwidth
Show Help
What it is: HDMI 2.1 is the latest update to the HDMI standard and supports a range of higher video resolutions and refresh rates including 8K60 and 4K120, and resolutions up to 10K. Dynamic HDR formats are also supported, and bandwidth capability is increased up to 48Gbps.
:
No
ARC
Show Help
What it is: Audio Return Channel (ARC) enables a TV to transmit, via an HDMI cable, audio data to an A/V receiver, without the need for any extra audio cables.
When it matters: When connecting your audio/video receiver directly to your TV via an HDMI cable.
:
Yes (HDMI 2)
USB 3.0
Show Help
What it is: USB 3.0 is the latest USB standard which can transfer data up to 5 Gbit/s, and is easily recognizable due to its blue color-coding of the connector.
:
No
HDCP 2.2 : Yes (HDMI 1,2,3,4)
CEC : Yes
MHL : No
Variable Analog Audio Out : No
Wi-Fi Support : Yes (2.4 GHz, 5 GHz)
7.3

Sound Quality

Show Help
What it is: How well and accurately the audio is reproduced.
When it matters: When a good and accurate sound reproduction is needed.
Score components:

The LG C8 has an above-average sound quality. This TV gets pretty loud and has a bass with a good amount of punch and body. It also has a pretty well-balanced mid and treble ranges, which is important for producing clear dialogs. However, its bass is not extended enough to produce the thump and rumble common to film scores and sound effects, it doesn't have a self-calibrating system for room correction, and produces a bit of pumping and compression artifacts under maximum load. For a better sound, dedicated sound bars are recommended.

7.4 Frequency Response
Show Help
What it is: How accurately the sound level of each frequency is being produced.
When it matters: For a balanced and neutral sound.
LG C8 Frequency Response
Low-Frequency Extension
Show Help
What it is: The lowest frequency at which the frequency response reaches -3dB of the target response.
When it matters: Movies, Gaming. Shows how extended the bass is.
Good value: < 60Hz
Noticeable difference: 10Hz
:
63.50 Hz
Std. Dev. @ 70
Show Help
What it is: The amount of deviation (weighted standard deviation) in frequency response measured at 70dB SPL, as compared to a target response that would sound perfectly balanced to most people.
When it matters: Shows the TV's frequency response at quiet listening levels
Good value: < 4 dB
Noticeable difference: 0.5 dB
:
3.86 dB
Std. Dev. @ 80
Show Help
What it is: The amount of deviation (weighted standard deviation) in frequency response measured at 80dB SPL, as compared to a target response that would sound perfectly balanced to most people.
When it matters: Shows the TV's frequency response at moderate listening levels
Good value: < 4 dB
Noticeable difference: 0.5 dB
:
4.09 dB
Std. Dev. @ Max
Show Help
What it is: The amount of deviation (weighted standard deviation) in frequency response measured with the TV at maximum volume, as compared to a target response that would sound perfectly balanced to most people.
When it matters: Shows the TV's frequency response at under maximum load
Good value: < 4 dB
Noticeable difference: 2 dB
:
5.00 dB
Max
Show Help
What it is: Maximum volume reached by the TV at their optimum viewing distance (size dependent)
When it matters: For listening to loud audio.
Good value: > 88 dB
Noticeable difference: 2 dB
:
90.0 dB SPL
Dynamic Range Compression
Show Help
What it is: The amount of difference between the TVs frequency response performance at 70dB SPL and Max dB SPL. Too much compression will result in pumping in the sound.
When it matters: When an accurate and free-of-pumping performance is required at higher volumes
Good value: < 3dB
Noticeable difference: 0.5
:
3.73 dB

The LG C8 has an above-average frequency response. The LFE (low-frequency extension) is at 64Hz, which is also above-average and much improved over last year's model, the C7. This means that the bass won't be able to produce any thump or rumble, but it'll have a decent amount of punch and body to it. The frequency response above the TV's LFE is well-balanced, but since it doesn't have a self-calibrating system, it wasn't able to correct the modes of our test room (the bumps between 200Hz and 300Hz). Additionally, this TV does pretty loud, and doesn't produce too much pumping and compression artifacts under maximum load.

7.0 Distortion
Show Help
What it is: Deformation of an output signal compared to its input, usually clipping, harmonic distortion, or inter-modulation distortion caused by non-linear behavior of the sound system.
When it matters: When a clean, pure and transparent reproduction is desired.
Score components:
LG C8 Total Harmonic Distortion
Weighted THD @ 80
Show Help
What it is: The overall amount of harmonic distortion measured at 80dB SPL. To make the score more perceptually relevant, more weight is given to the higher frequencies.
When it matters: How pure the sound is at moderate listening levels.
Good value: < 0.100
Noticeable difference: 0.100
:
0.078
Weighted THD @ Max
Show Help
What it is: The overall amount of harmonic distortion measured at the TV's maximum SPL. To make the score more perceptually relevant, more weight is given to the higher frequencies.
When it matters: How pure the sound is at moderate listening levels.
Good value: < 0.100
Noticeable difference: 0.100
:
0.547
IMD @ 80
Show Help
What it is: The average amount of inter-modulation distortion produced by the TV under maximum load. The percentage shown here is the average result of 3 separate test signals/standards: SMPTE, DIN, & CCIF
When it matters: When a clean and free of aliasing reproduction is desired
Good value: < 5%
Noticeable difference: 2
:
3.06 %
IMD @ Max
Show Help
What it is: The average amount of inter-modulation distortion produced by the TV under maximum load. The percentage shown here is the average result of 3 separate test signals/standards: SMPTE, DIN, & CCIF
When it matters: When a clean and free of aliasing reproduction is desired
Good value: < 5%
Noticeable difference: 2
:
7.68 %

The C8 has a decent distortion performance. The THD response is rather elevated, which is typical of most TVs and doesn't increase too much under maximum load either.

8.2

Smart Features

Show Help
Score components:
  • 42% Interface
  • 2% Ad-Free
  • 37% Apps and Features
  • 16% Remote
  • 3% Remote App
LG C8 Smart TV Picture
Smart OS : WebOS
Version : 4.0

The LG OLED C8 runs on the latest version of LG's smart platform, webOS. It has a good selection of pre-installed apps, and LG's content store has a decent collection of apps, although not as good as the Play Store found on Samsung or Sony TVs. The TVs remote is compact and works very well. The interface can be confusing at first, but works well and is fast. The new voice control features work exceptionally well and can interface with a variety of smart consumer electronics.

8.5 Interface
Show Help
What it is: The usability, features and performance of the main interface of the TV, not including the interfaces of the apps themselves.
When it matters: Anytime when using the TV, but especially when changing settings and using apps.
Score components: Subjectively assigned
Ease of Use
Show Help
What it is: How easy the interface is to navigate, affected by the organization of its layout, placing frequently accessed elements in areas that are faster to access, etc.
When it matters: When using the smart features.
:
Easy
Smoothness
Show Help
What it is: How smooth the interface is to navigate, affected by lag and frame drops.
When it matters: When using the smart features.
:
Very Smooth
Time Taken to Select YouTube
Show Help
What it is: How long it takes to select YouTube for launch, starting from HDMI 1 input, when YouTube is placed first on the list of apps or added as a shortcut. This does not include app launch time, and does not use a fixed YouTube button on a remote. This serves as an indication of the time needed to select any app.
When it matters: When launching any app.
:
2 s
Time Taken to Change Backlight
Show Help
What it is: The time it takes to navigate to the 'Backlight' setting ('Brightness' on Sony TVs). This serves as an indication of how long it takes to navigate to basic TV settings.
When it matters: When changing TV settings.
:
7 s
Advanced Options
Show Help
What it is: Whether advanced options and settings are available, such as color calibration.
When it matters: When customizing the TV and using the smart features.
:
Many

The webOS interface is split into three sections: settings, inputs and apps. The menus are more responsive than last year. A new quick access button has been added in the top right for easy access to the search function. The interface is easy to use and fast to navigate, but first time users may find it confusing.

0 Ad-Free
Show Help
What it is: Whether or not ads can be found on the TV's smart platform.
When it matters: When using the smart features.
Score components:
Ads
Show Help
What it is: Whether the TV's main interface has ads. This does take into account ads in third-party apps.
When it matters: When using the smart features.
:
Yes
Opt-out
Show Help
What it is: Whether you can opt out of the ad services or not. A TV only passes this test if it allows you to remove them completely, not only disable the personalized advertising.
When it matters: When using the smart features.
:
No
Suggested Content in Home
Show Help
What it is: Whether suggested content appears in the TV's home menu or main menu. Suggested content can include recommended movies, TV shows, YouTube videos etc.
:
Yes
Opt-out of Suggested Content
Show Help
What it is: Whether the suggested content feed in the home menu can be removed or hidden
:
No

The C8 did not display ads during our testing, but there is an option in the menu for advertising cookies so the TV may have ads at some point or in certain regions.

Update 04/27/2018: We have received reports of Ads in the C8 app store, at least in Russia.

Update 7/12/2018: We have found ads on other 2018 LG TVs as shown here, so we assume all 2018 LG TVs have ads. The score has been updated to reflect this.

8.0 Apps and Features
Show Help
What it is: The usability, features and performance of apps and other smart features.
When it matters: Only when using smart features such as apps, casting and USB playback.
Score components: Subjectively assigned
LG C8 Apps Picture
App Selection
Show Help
What it is: The number and variety of apps available to download for the smart platform.
When it matters: When downloading new apps.
:
Many
App Smoothness
Show Help
What it is: How smooth it feels to navigate the interfaces of apps, affected by lag and frame drops.
When it matters: When using apps.
:
Average
Cast Capable
Show Help
What it is: Whether apps on a phone or tablet can cast content to the TV.
:
Yes
USB Drive Playback
Show Help
What it is: Whether the TV can play content from a drive connected to one of the TV's USB ports.
:
Yes
USB Drive HDR Playback
Show Help
What it is: Whether HDR files played from a USB drive can be displayed properly.
:
Yes
HDR in Netflix
Show Help
What it is: Whether HDR content on Netflix can be played back in HDR using the native Netflix app.
:
Yes
HDR in Amazon Video
Show Help
What it is: Whether HDR content on Amazon Video can be played in HDR using the native Amazon Video app.
:
Yes
HDR in YouTube
Show Help
What it is: Whether HDR content on YouTube can be played in HDR using the native YouTube app.
:
Yes

Like the rest of LG's lineup, the C8 comes preloaded with most of the most popular apps, including Netflix, Amazon Video, and YouTube.

9.0 Remote
Show Help
What it is: The usability and features of the TV's physical remote.
Score components: Subjectively assigned
LG C8 Remote Picture
Size
Show Help
What it is: How big the remote is
:
Large
Voice Control
Show Help
What it is: The capabilities of the TV's voice control feature
:
Many Features
CEC Menu Control
Show Help
What it is: Whether the remote can act as a universal remote for HDMI CEC enabled devices. This was tested on our Samsung UBD-K8500 4K Blu-ray player, and may not be valid for other CEC devices as implementations vary by manufacturer.
:
Yes
Other Smart Features
Show Help
What it is: Whether the remote has any other smart features, such as a pointer, universal remote support for non HDMI CEC devices, etc.
:
Yes

The remote itself is nearly identical physically to last year's C7. It has a limited selection of controls, allowing control of basic functions and quick access to the settings and search menus. When pointed at the TV the remote acts as a pointer, which when combined with the scroll wheel found in the center of the directional pad allows quick access to all options.

Voice control is now much better, on par with Samsung's service, and allows you to control other LG devices powered by ThinQ, including lights, air conditioners, etc... The TV will also be compatible with Amazon Alexa and Google Home later in the year. The basic commands we tried worked very well, and allowed us to search YouTube, switch inputs, change some settings, and even ask about the weather. In order to use voice control features (known as ThinQ AI) you must consent to sharing your viewing information and voice information, since the TV offloads certain requests to an external service. We don't know what exactly is shared with LG so if you are concerned about privacy, this should be left disabled.

7.0 Remote App
Show Help
What it is: The features of the official phone and tablet app for the TV.
Score components: Subjectively assigned
LG C8 Remote App Picture
Acts as the Remote
Show Help
What it is: Whether the remote app can emulate all the buttons of the physical remote.
:
Yes
Directly Launches Apps and Inputs
Show Help
What it is: Whether the remote app can directly launch the TV's apps and change between its inputs, without requiring any interaction with menus on the TV.
:
Both
Inputs Text in YouTube
Show Help
What it is: Whether the remote app can enter text for YouTube searches.
:
No
Inputs Text in Netflix
Show Help
What it is: Whether the remote app can enter text for Netflix searches.
:
No
Streams Device Files
Show Help
What it is: Whether the remote app can stream files from the phone or tablet to the TV, files such as pictures, music and video.
:
Yes
Controls TV Settings
Show Help
What it is: Whether the app can change all or some of the settings on the TV, such as the backlight.
:
No
Voice Control
Show Help
What it is: Whether the remote can send voice commands to the TV.
:
No

The LG TV Plus app offers some interesting features such as streaming music and video directly to the TV, but lacks some basic functions found on other apps, including text entry. The app can also be used to control the cursor.

TV Controls
LG C8 Controls Picture

Like almost all LG TVs and monitors, the C8 has a single rocker joystick on the back of the TV. It works very well and allows quick access to most functions of the TV.

In The Box
LG C8 In The Box Picture

  • Manual
  • Remote
  • Batteries
  • Composite adapter
  • Power cable: 59.5" (Not shown)
  • Misc
    Power Consumption : 79 W
    Power Consumption (Max) : 179 W
    Firmware : 03.00.62

    Differences between Sizes and Variants

    We tested the 55" model (OLED55C8PUA). For the most part, we expect our review to be valid for the 65" (OLED65C8PUA) and 77" model (OLED77C8PUA).

    If someone comes across a different type of panel or if their LG OLED 55C8PUA doesn't correspond to our review, let us know and we will update the review. Note that due to variances between panels some results such as gray uniformity and image retention may vary between individual units.

    Size US Model EU Model
    55" OLED55C8PUA OLED55C8PLA
    65" OLED65C8PUA OLED65C8PLA
    77" OLED77C8PUA OLED77C8LLA

    Compared to other TVs

    LG C8 Group Shot Picture
    Top left: LG B6 (OLED55B6P). Bottom left: Samsung Q8C (QN55Q8C). Middle: LG C8 (OLED55C8PUA). Top right: Sony X930E (XBR55X930E). Bottom right: Sony X900F (XBR55X900F).  Unlike our other photographs, this picture wasn't taken under a controlled environment, so do not draw conclusions from it.

    The LG C8P offers excellent performance across the board. However, it isn't perfect and comes at a high price. Check out some of our comparisons below for different recommendations depending on your usage.

    LG B8
    55" 65"

    The LG C8 is very similar to the LG B8 for mixed usage. The C8 offers performance in the same ballpark, and the small differences between the two TVs could be due to panel variance. The C8 has the newer Alpha 9 processor whereas the B8 still carries the Alpha 7 processor,  but we did not see this making a significant difference in any performance. 

    LG C7
    55" 65"

    The LG C7 is 2017's entry-level OLED TV. The C7 and C8 perform very similarly. Both have excellent picture quality however the C8 handles gradients better than the C7 and has added black frame insertion, so it is a bit better for gaming. Until the C8 comes down in price, the C7 is the better buy.

    Samsung Q8FN
    55" 65" 75"

    The Samsung Q8FN is the best LED TV we have ever tested. It has a modern design and offers exceptional picture quality as well as some excellent features with gaming in mind. The C8 has excellent dark room performance with a wide viewing angle but some people can find the motion on an OLED TV strange, and there is the risk of burn-in. The Q8FN doesn't have any burn-in and performs better in a bright room.

    Sony X900F
    49" 55" 65" 75" 85"

    The Sony X900F is the latest Sony LED TV from 2018. HDR real scene brightness on the X900F is almost 200 nits brighter than the C8, producing brighter highlights for HDR. The C8 is better suited to a bright room with wide seating due to the wider viewing angle and better reflection handling, but it is not worth the significant difference in price.

    Sony A8F
    55" 65"

    The Sony A8F is a premium OLED TV released in 2018. It produces very similar picture quality to the LG C8. The A8F has a very different design to the C8. They both produce outstanding picture quality and have great motion handling, but the C8 has better low input lag. The C8 is also cheaper than the A8F, making it the better buy.

    + Show more

    Conclusion
    SEE PRICE
    Amazon.com

    8.8Mixed Usage
    Show Help
    What it is General purpose. The TV will be used for a variety of content and usages. Movies at night, TV shows during the day, video games from time to time, etc.
    Score components:
    Excellent TV for a wide range of usages. The LG 55C8PUA has perfect blacks, resulting in excellent dark room performance. The TV handles motion extremely well due to the instantaneous response time and ability to flicker the image at 60Hz to clear up motion. The picture also remains accurate at an angle, which is great for those with wide seating. Reflection handling is excellent for rooms with lights or glare on the screen.
    9.3Movies
    Show Help
    What it is Movies in the dark. The TV will be used for watching movies in a controlled environment, directly in front, in a home theater way. Mostly only high quality content, like Blu-rays, UHD Blu-rays, streaming and a little bit of HDR.
    Score components:
    Excellent choice for watching movies in a dark room. Perfect blacks result in deep and detailed dark scenes. The TV can display most content without judder, but some stutter is visible due to the low frame rate of movies - especially for wide panning shots.
    8.5TV Shows
    Show Help
    What it is TV Shows in a bright living room. The TV will be used in to watch TV shows, in a bright room during the day, from multiple viewing positions at different angles. The content watched has an average quality: cable, streaming, SD channels, etc.
    Score components:
    Great choice for watching TV in a bright room. Reflection handling is excellent, which is great for rooms with lights or glare on the screen. The TV also has a good brightness to overcome ambient light. The WebOS smart platform works well for casual browsing or watching content on Netflix. For regular watchers of channels with a lot of static content, there may be a risk of burn-in though (see here).
    8.7Sports
    Show Help
    What it is Sports in a living room. The TV will be used to watch sports during the day, like football or hockey. Usually watched with a group, so from multiple viewing position.
    Excellent for sports fans. Motion handling is excellent due to the instantaneous response time and ability to flicker the image to clear up motion. Dirty screen effect is also not an issue, as the screen is very uniform. Picture quality is also excellent, and remains accurate when viewed at an angle which is great for large numbers of people to watch an important game.
    9.0Video Games
    Show Help
    What it is Video games. The TV will be used to play video games, directly in front, in a controlled light environment. Usually fast games, like online FPS, where motion blur and input lag is important.
    Excellent TV for gamers. Input lag is very low, so the TV feels very responsive. Motion handling is excellent due to the instantaneous response time and ability to flicker the image to clear up motion. Picture quality is also excellent due to the perfect blacks.
    9.1HDR Movies
    Show Help
    What it is HDR Movies and TV shows. The TV will be used to watch 4k UHD HDR content, with a wide color gamut and a high peak brightness. Either via UHD Blu-rays or HDR streaming.
    Excellent for watching HDR movies in a dark room. Picture quality is excellent due to the perfect blacks and impressive uniformity. The LG 55C8 can produce very bright highlights in real scenes and also produces saturated colors, to make HDR pop. The fast response time does result in some stutter, especially when viewing movies in long panning shots.
    8.7HDR Gaming
    Show Help
    What it is HDR Gaming. The TV will be used to play HDR video games using consoles that support it or on current generation gaming PCs. Xbox One S, PS4 Pro, GTX 10 series and AMD RX series graphics cards.
    Impressive HDR gaming performance. Input lag is very low, so the TV feels responsive with HDR. Motion handling is excellent due to the instantaneous response time and ability to flicker the image and clear up motion. Picture quality is also excellent, and the TV can make HDR scenes pop due to the high peak brightness of highlights and ability to produce very deep colors. For people who play games with a lot of static content there may be a risk of burn-in though (see here).
    8.2PC Monitor
    Show Help
    What it is PC Monitor. The TV will be used as a PC monitor, from 2-3 feet away, either for productivity purposes or gaming. Sharp text is important, as well as a high resolution.
    Score components:
    Great choice for PC use. Image remains accurate when viewed at an angle so the sides of the screen are uniform. Supports chroma 4:4:4 for clear text across all backgrounds. Also, the LG C8P supports a 1080p @ 120Hz input for those who want the most fluid experience. Motion handling is excellent, due to the instantaneous response time. Unfortunately the brightness of the screen changes depending on the content and areas of static content may have a risk of burn-in (see here)
    Questions Found an error?

    Let us know what is wrong in this question or in the answer.

    Email:

    Questions & Answers

    28 ANSWERED QUESTIONS
    34
    NO QUESTION! Just wanted to thank you for the LG C8 review! You're the best review site around! Your highly scientific reviews do not go to waste! The work you are doing is worth it! Keep up the great work!
    Thanks for the feedback!
    5
    Great Review! Question about mounting, because of how thin the TV is, have you heard of any issues using a full motion TV mount on the C8/7? (bending/damage) I would like to mount it but the placing of the VESA holes and how thin the top is worries me if I need to pull or tilt the TV. Thanks!
    There shouldn't be any issues mounting this to a full motion mount. When moving the TV it is important to always grab it by the thicker bottom third where the electronics are, as it could damage it by pushing or pulling on the screen.
    5
    Primary for HDR gaming, would you recommend the C8 over the C7 Not including price? I have read the C8 is a bit brighter and offers Dynamic Tone Mapping for HDR Game mode as well as BFI (black frame insertion) similar to Active HDR on the 2017 models. Is there that much of a difference to upgrade if one already owns an LG C7? Thank you.
    The C8 has added a black frame insertion feature, which can help achieve the clearest motion possible, especially when gaming. The difference in brightness is negligible, and we do not recommend using the 'Dynamic Tone Mapping' feature as it changed the PQ curves too much. Overall, there is not enough of a difference to buy the C8 over the C7, especially if you already have the C7.
    5
    How is the OLED banding at 5% gray on the new c8? It was impossible to avoid with 2017 and earlier LG OLED panels. I don't know why rtings.com doesn't mention this big flaw. When I watch lower quality cable content, which tends to be more dark gray than black due to low quality signal, it's like looking through shadow blinds.
    It's still present on the C8; it's an almost unavoidable weakness of OLED TVs. We created our 5% gray uniformity test to highlight this problem on OLEDs, but we could do more to draw attention to it in the box text. We've added an update to the C8's Gray Uniformity text to clarify.
    4
    I currently own a 55" LG B6 OLED. I've used your comparison tool online to look at the differences spec wise, but I still find it hard to ascertain whether making the jump to the C8 would be worth it. I'm not concerned about the cost of the upgrade. My main focus is whether the overall image looks notably better. I play a lot of content that is overall very colorful and vibrant (JRPGs, scifi movies, Nintendo games etc.), so whether or not the image pops is somewhat important to me. Even though brightness is factor, I like the image quality of OLED too much to even consider other LED options. I understand how subjective this question is, but in your opinion, would this upgrade result in a noticeable, positive change in viewing such content? Or am I better off waiting to see if there's a greater change that may come with next years panels? Thanks.
    They are very similar screens, and you probably won't notice much of a difference between the two. They are almost the same brightness, and while we can't directly compare the two since our B6 was tested on Test Bench 1.0, the picture quality is likely to be very similar. The B6 was more prone to temporary image retention, so if that has become an issue for you then it may be worth upgrading.
    4
    What are the differences between the C8 model and C7 model. I'm not too picky when it comes and TVs and consider myself the average user when it comes to TVs, I've had my eye on the C7 for quiet some time and looking to pull the trigger soon.

    The C8 has added an optional Black Frame Insertion feature. This introduces flicker to help reduce stutter on low frame rate content. Unless stutter particularly bothers you or you want the best motion for gaming and don't mind flicker, go with the C7. Depending on deals, you can also usually get the B7A cheaper than the C7, and they are essentially the same TV.

    4
    How can you lower the score of OLED TVs because of burn-in? Is burn-in happening on the TV you test? You are lowering a score based on something that might happen, not on what is happening. It is perfectly fair to mention burn-in as a possibility, but you shouldn't assign a score to it. If you are going to apply that standard, then apply it to LCDs as well. An LCD might have banding, might have flashlighting, might have blooming, might get firmware that bricks the TV (Samsung and Sony released bad firmware updates last year). Yet you don't mention any of this, nor assign any kind of score based on it. So let's be fair here, since you claim to be professionals.
    We have a responsibility to inform our readers of the real risk involved. Banding and flashlighting are all things that we measure in our reviews, and our readers are informed of this. It is not likely that banding on a TV will change significantly over time, but burn-in on an OLED can and will change over time. This may mean that depending on your use (for example if you plan to display a lot of static images, or watch 24 hour news channels) an OLED TV may not be the best option. The only way we can include this susceptibility to burn-in in these more risky usage scores is by assigning it a score. This score is informed by our real-life OLED burn-in test and 20/7 burn-in test.
    3
    Tips effectively regarded.!

    Thank you for your kind comment.

    We aim at thorough reviews, that help our visitors make the right decision. If you have any specific questions, please do not hesitate to ask us.

    3

    I have the C7 my biggest use is movies and sometimes Xbox game. Is there any remarkable difference in the C8? According to their tables are almost identical.

    Thank you for contacting us!

    You are right. Both have excellent picture quality and are very similar. The C8 handles gradients better than the C7 and has added Black Frame Insertion (BFI), so it is a bit better for gaming since this makes motion look clearer, when viewing 60 fps content (sports, video games). For the usage you are describing, any difference will be hardly noticeable.

    3

    Thanks for posting my 5% gray OLED banding issue. It would be beneficial if you took a picture of TV showing 5% and 10% banding. I can't see anything, but black on your image (on my Note 8 phone anyway). I could send you pics of my c7 with banding issues...both my c7 oleds and it's very visible in the pics. I just search YouTube for OLED banding and selected that 5% gray test video, selected dark preset with your tweaks, light super dim in room, and then took a pic of tv.
    You have my email with this post. Let me know if you want me to respond with my own pics.
    OLED banding is a big deal. Paying $2700 for a 65 inch TV, at that price, I dont expect such a big flaw. Playing older PS4 games like "The Last of Us", where you have to increase brightness to see detail and get more dark grays as a result - it looks bad. As a result, I'm taking it bad and just getting a cheap TCL P615 (new 6 series) to bide my time and wait a few years while LG works out these kinks.
    Thanks!
    Chris

    Thank you for contacting us!

    Try looking at the 5% image in a dark room. The differences will be more obvious there. Also instead of trying to increase brightness, try to decrease Gamma which will make the transitions from black more steep. This will allow you to see more details without having to increase brightness. We are in the process of reviewing the TCL R615 or 6 Series (This is what you probably meant by P615 as such model does not exist), so you will be able to compare it before you make any decisions.

    2
    Awesome review! I currently have a C6 would it be worth it to upgrade it to this TV? Also is this HDMI 2.0b? Lastly, any chance you guys have heard if this TV could get a firmware update for eARC? Thanks!
    Glad you enjoyed it! If your C6 is still working fine, we don't recommend upgrading. There is not enough of an improvement. The LG C8 has 4 HDMI 2.0b ports, and while it is theoretically possible to upgrade the TV to support eARC, that is up to LG to implement via firmware, we don't know if there are any plans to do so.
    1
    Has anybody been able to locate a detailed users manual? Not the bare bones one that comes with the TV. I like to peruse the manual and read in detail sections that pertain to my setup. Something more than the Help info that pops on screen.
    There does not seem to be a detailed manual available for the LG C8. There is a website with guides for some of the features and setup, it is available here.
    1
    I find myself very bothered by stutter in OLED TVs. I've read that BFI can help alleviate some of this "sample-and-hold" effect, but I would be curious to know if that is true. I really can't stand the Soap-opera effect from motion interpolation, so until something else comes along it seems like BFI might be my only hope. If BFI can help, it would be great to understand how it does so. For example, I am wondering if enabling BFI alters the default frame hold time as a result of adding black intermediary frames. Is that true? Any further info along these lines would be much appreciated - even if the answer is that no, BFI isn't going to help much with stutter. Thanks!

    Your understanding of BFI is spot on. On the LG C8, it inserts a black frame between each 60 Hz frame, effectively cutting the frame hold time in half, as can be seen on our BFI plot for the C8. The frame hold time as measured in our stutter test is 15.0 ms with a 60Hz signal, but on the BFI plot the hold time is about 8 ms. The perceived effects of this are highly subjective; as you said, some people are bothered by stutter more than others, but generally it should help to reduce stutter.

    You can find out more about BFI on our article here. There is a linked video on that page that covers the topic very well.

    1
    Can you please explain the differences between the LG C8 and the the C7? What does the C8 do better? What are the advantages of its auto tone mapping feature? Is it anything like dynamic contrast on the C7?
    The main difference between the C8 and C7 is that the C8 has an optional Black Frame Insertion feature. When enabled the C8 will insert a black frame between every 60fps frame. This reduces the amount of time each frame is static on the screen and helps motion appear more fluid. The dynamic tone mapping feature can help if you find HDR scenes too dark, but generally we don't recommend it. It isn't the same thing as dynamic contrast.
    1
    Great Review! Always been used to plasmas and currently own TC-P65GT50. Been looking to switch to OLED for sports and gaming. Almost purchased the B7 but not sure if I should go for C8. Will I notice a difference upgrading from my current plasma? And would I notice the upgrade between B7 and C8? Thanks!

    Thanks for the feedback!

    You will definitely notice a huge difference between a B7 and your old plasma. The B7 is much brighter than the GT50, making it a much more versatile TV for bright or dark room viewing. Both OLED and plasma TVs have perfect black uniformity, but the OLEDs have better contrast (since it is infinite), making them better suited for dark room viewing.

    OLED and Plasma handle motion very differently, and this can be difficult to adjust to if you are used to plasma. Plasma TVs flicker at a very high frequency. This helps motion appear more fluid, but also leaves long motion trails. OLEDs have an instantaneous response time, which means that each frame is displayed on the screen for a lot longer, which makes low frame rate content stutter. There are two ways to overcome this, either through Black Frame Insertion or through Motion Interpolation.

    The main difference between the B7A and C8 is the added Black Frame Insertion feature. Since you're used to plasmas, the best thing to do would be to go see an OLED to see how you like the motion. Some people don't like the native motion handling on OLEDs. If you don't like the soap opera effect from motion interpolation, the C8 would be worth it with the black frame insertion feature.

    1
    I am researching TV's to find the best one for sound. My husband is hard of hearing. He can hear the LG with "Clear Voice" but not the TV without it ...with baby boomers all approaching, or at that golden age, this would be a good thing to add. Even the LG website can't tell me which models have "Clear Voice".

    The C8 does have LG's "Clear Voice III" audio mode, which detects and boosts voices when watching TV/Movies. It also has a sound booster that can boost volume.

    Thank you for your suggestion, but it is unlikely as we will be able to add it as an official test due to limited resources. We have to prioritize our testing to help the most people.

    1

    How would you compare this to the Sony 900F as far as HDR movies and games? Noticed you mentioned that the 900F is 200 nits brighter, but with clearness increased in BFI, the brightness should be the same as the C8?

    Thank you for your comment!

    Both TVs perform very well in HDR Movies and Games.
    The C8 performs slightly better in most important Movie and Gaming measurements, mainly due to the instantaneous response time and pure blacks The HDR brightness does decrease on the X900F with BFI, but so does on the C8. The decisive factor is where this TV will be used. The C8 is better for a dark room due the perfect blacks and black uniformity. It is also better for wide seating due to the viewing angles. For a bright room though, it is hard to say because although it has excellent reflection handling, it also can't get as bright as X900F to combat glare. It's a matter of budget and personal preference.

    1
    I am a fairly frequent gamer of the sports variety (Madden, FIFA, NHL) and I want to buy the best TV to game on, but also one that doesn't include a risk of it getting permanently ruined. Is the risk of burn-in so high that, as a gamer, I shouldn't choose the C8?

    We don't expect most people to experience burn-in within reasonable usage, but there is always a risk. The C8 is an excellent TV for gaming, and would provide an excellent gaming experience. If the possibility of burn-in really concerns you, the Sony X930E is a great LED alternative.

    1
    Additional review notes:
    A reader has pointed out that there is a variant of the C8 available in Switzerland with the model OLED55C8LLA. The only difference is the addition of a dual tuner.
    1
    I’ve read some reports that enabling BFI with a 24p source results in 3:2 judder. Yet, when BFI is disabled, it displays 24p fine at the correct multiple. Can you confim if 24p is properly displayed with BFI? I’m also curious if this applies to the two Sony OLED TVs as well.

    You are correct, playing 24p content with BFI enabled causes judder, and this is unavoidable. With BFI enabled the panel is 'dropping' every other 120Hz frame, which causes one source frame to display for 3 frames, and the next frame to display twice.

    The Sony A1E and A8F are able to adjust the flicker frequency with BFI enabled to display 24p content without judder.

    We have added a note in the C8 review to reflect this.

    1

    I currently have the LG 65" OLED B7A from Costco. I bought a Zvox Sound bar for it and It has a lot of voice and sound sync issues, really off, I'm thinking of returning this TV and getting the new 65" OLED C8, but does anyone know if the new LG C8 has the same sync issues as the B7.

    Thank you for contacting us

    We too have read that there have been some sync issues. Unfortunately, we do not have the soundbar to check the settings and therefore we can not give a solid advice. Here are some tips that might work:
    Make sure you have the latest firmware.
    Turn Sync on and leave it at 0
    If that doesn't fix it then try the following:
    1. Disabling Smart Sound mode in TV options
    2. Switching off Dolby Atmos in the TV settings.
    Let us know how it went!

    1

    Hi Guys
    Really appreciate your site and the effort spent on providing info to consumers, thank you. Wanted to ask a question,that I think its worthwhile commenting on it as it was a major issue with the C7.
    With the C7 there was an issue with HDR Game Mode being overly dark. Has this been resolved with the C8? Is the HDR Game Mode in line with the other TV modes when it comes to brightness?

    Thank you for contacting us and for your excellent feedback!

    Interestingly, the game mode of the C8 is actually brighter this year. You can see in this plot of the EOTF. The yellow line is the brightness the content was mastered at, and the gray line is how the TV performs: As a comparison, here is the technicolor expert performance. Depending on your use, this isn't necessarily a bad thing. Many people do like games to be brighter so they can see more dark scene details - even if it is a bit less accurate.

    1
    Please delve more into the black crush associated with OLED Displays! The lack of shadow detail is egregious on OLED displays. The area on the display that is in shadow loses all detail and nuance. You're left with a really black blob visually showing no visual detail at all. Though full array local dimming led TVs don't have quite the black levels of the OLED TV, at least you can see shadow detail like you do when visually experiencing "live" real life.

    When calibrated correctly there is nearly no black crush at all, especially with 2017 & 2018 models. You're right that this used to be an issue with OLEDs, but we don't mention it any more as it really isn't an issue. You can take a look at our calibrated settings for the C8; note however that the white balance calibration is only a starting point, as this calibration varies between units. If you have black crush when connected to a game console this could be caused by an incorrect HDMI Black Level setting.

    0
    Thanks for the excellent review, as usual. Does BFI add any input lag to game mode?
    No, black frame insertion does not add any input lag to game mode.
    0
    Wall mounting on an existing frame is a primary concern. Please provide the location from top and bottom of the VESA mounting holes.

    For the 55" C8 we reviewed, the top VESA holes are 15" from the top of the TV, and 18" from each side. The bottom holes are 6¾" from the bottom of the TV.

    0
    Does the Black Frame Insertion addition to 2018 models make a significant enough difference to make it worth the extra money over the 2017 B7? Since the 2018 B7 won't be getting the new A9 processor, this seems to be the only real difference between 2017 and 2018 for the B series.
    Most people find that BFI doesn't add much. While it helps reduce motion stutter and blur - which many people find useful for gaming, it also reduces screen brightness and introduces flicker. When it is finally released the B8 is not likely to be a recommendation over the B7 until the price comes down significantly.
    0

    My question is in regards to audio processing. Do we know if these TV's will pass lossless Dolby TrueHD/Atmos from a connected source (i.e. UHD Blu Ray player, etc.) thru ARC (specifically eARC) to an external source like an AVR? I have been looking for the answer to this question, even through LG, and can't seem to get a straight answer. The 2017 OLED models got an update that allows them to ACCEPT Dolby TrueHD over HDMI but does not say if it actually do pass through (bitstream) to a connected AVR.

    Thank you for contacting us!
    No, the TV will NOT pass Dolby True HD thru ARC to an external source.
    It will however pass Dolby Digital and DTS thru ARC.
    To be capable of eARC passthrough a TV needs the HDMI 2.1 version which is not yet available. At the same time even if TVs were updated to ACCEPT Dolby TrueHD, there would be no real gain since their sound systems can not reproduce it and therefore they would have to down-sample it. Finally, as this is fairly new technology - no TVs support it yet - we do not yet have the necessary equipment to test for eARC.

    0

    Since the C8 is the first OLED to offer an "affordable" 77. Do you think this makes sense as a projector replacement given the current projectors are quite a ways behind TVs as far as quality and HDR? Having never used a 77" screen in a home theater I wonder if it lacks immersion and if the quality benefits are lost a bit at theater style viewing distances 9-15 feet.

    Thank you for your question!

    There are several trade offs between projectors and TVs apart from screen size. For example projectors use a different kind of motion that would some might prefer. On the other hand an OLED TV will likely be brighter and produce more vivid colors depending on the projector you are going from.
    In using a TV as a projector replacement one major factor comes into play and that is viewing distance that affects field of view. A comfortable field of view is very subjective and also has to do with the content being watched. For movies in general a wider field of view is more immersive, whereas for sports and fast action gaming a narrower field of view might be more pleasing. You can always read more here.
    In your case the viewing distance of 9-15 feet on the 77" TV translates to viewing angles of roughly 21-34 degrees which are small, considering THX recommends 40 degrees viewing angle. So your hunch is correct and unless you move closer, you might not get that feeling of immersion.

    Questions Have a question?

    Before asking a question, make sure you use the search function of our website. The majority of the answers are already here.

    :
    :
    A valid email is required. We answer most questions directly by email to prevent cluttering the site.