LG C8 OLED vs Samsung Q90/Q90R QLED

Which TV Is Better?

Products

LG C8 OLED
Samsung Q90/Q90R QLED

Tested using Methodology v1.5

Updated Feb 22, 2024 02:27 PM

SEE PRICE
Amazon.com

Tested using Methodology v1.5

Updated Sep 04, 2021 04:35 PM

SEE PRICE
Amazon.com

Our Verdict

LG C8 OLED

Samsung Q90/Q90R QLED

These two TVs are different types, each with its advantages and disadvantages. The LG C8 OLED is an excellent OLED TV with outstanding dark room performance thanks to its perfect blacks and excellent viewing angles. On the other hand, the Samsung Q90/Q90R QLED is a remarkable TV with excellent dark room performance that doesn't have the risk of permanent burn-in and is packed with gaming goodies.

0 

Variants

  • OLED55C8 (55")
  • OLED65C8 (65")
  • OLED77C8 (77")
  • QN65Q90RAFXZA (65")
  • QN75Q90RAFXZA (75")
  • QN82Q90RAFXZA (82")

Check Price

55"
OLED55C8
SEE PRICE
Amazon.com
55"
 
65"
OLED65C8
Amazon.com
65"
QN65Q90RAFXZA
SEE PRICE
Amazon.com
75"
 
75"
QN75Q90RAFXZA
SEE PRICE
Amazon.com
77"
OLED77C8
Amazon.com
77"
 
82"
 
82"
QN82Q90RAFXZA
SEE PRICE
Amazon.com

Main Differences for
Mixed Usage

Threshold 

0.10

Mixed Usage 

8.6
8.5

Contrast 
 

10
8.4

Local Dimming 
 

10
8.0

SDR Peak Brightness 
 

6.8
9.0

Gray Uniformity 
 

8.7
7.3

Full Comparison

Market Context

Market Context 
 

Show Text 
Design

Style  

9.5
9.5

Design Picture  

Curved  

No
No
Show Text 

Stand  

Stand Picture  

Show Text 

Back  

Back Picture  

Wall Mount  

VESA 300x200
VESA 400x400
Show Text 

Borders  

Borders Picture  

Borders  

0.35" (0.9 cm)
0.43" (1.1 cm)
Show Text 

Thickness  

Thickness Picture  

Max Thickness  

1.89" (4.8 cm)
1.54" (3.9 cm)
Show Text 

Build Quality 
 

9.0
9.5

Build quality picture  

Show Text 
Picture Quality

Contrast 
 

10
8.4

Checkerboard Picture  

Native Contrast 
 

Inf : 1
3,249 : 1

Contrast with local dimming 
 

N/A
11,200 : 1
Show Text 

Local Dimming 
 

10
8.0

Local Dimming Video  

Local Dimming 
 

No
Yes

Backlight 
 

No Backlight
Full-Array
Show Text 

SDR Peak Brightness 
 

6.8
9.0

SDR Real Scene Peak Brightness 
 

318 cd/m²
831 cd/m²

SDR Peak 2% Window 
 

345 cd/m²
1,297 cd/m²

SDR Peak 10% Window 
 

345 cd/m²
1,363 cd/m²

SDR Peak 25% Window 
 

344 cd/m²
1,237 cd/m²

SDR Peak 50% Window 
 

345 cd/m²
774 cd/m²

SDR Peak 100% Window 
 

163 cd/m²
505 cd/m²

SDR Sustained 2% Window 
 

331 cd/m²
1,213 cd/m²

SDR Sustained 10% Window 
 

331 cd/m²
1,284 cd/m²

SDR Sustained 25% Window 
 

333 cd/m²
1,163 cd/m²

SDR Sustained 50% Window 
 

332 cd/m²
773 cd/m²

SDR Sustained 100% Window 
 

158 cd/m²
502 cd/m²

SDR ABL 
 

0.059
0.052
Show Text 

HDR Peak Brightness 
 

7.2
9.0

HDR Real Scene Peak Brightness 
 

666 cd/m²
1,287 cd/m²

HDR Peak 2% Window 
 

979 cd/m²
1,145 cd/m²

HDR Peak 10% Window 
 

918 cd/m²
1,487 cd/m²

HDR Peak 25% Window 
 

511 cd/m²
1,275 cd/m²

HDR Peak 50% Window 
 

328 cd/m²
816 cd/m²

HDR Peak 100% Window 
 

159 cd/m²
536 cd/m²

HDR Sustained 2% Window 
 

915 cd/m²
1,082 cd/m²

HDR Sustained 10% Window 
 

876 cd/m²
1,410 cd/m²

HDR Sustained 25% Window 
 

492 cd/m²
1,235 cd/m²

HDR Sustained 50% Window 
 

303 cd/m²
814 cd/m²

HDR Sustained 100% Window 
 

151 cd/m²
532 cd/m²

HDR ABL 
 

0.106
0.050
Show Text 

Gray Uniformity 
 

8.7
7.3

50% Uniformity Picture  

50% Std. Dev. 
 

1.495%
4.127%

50% DSE 
 

0.117%
0.187%

5% Uniformity Picture  

5% Std. Dev. 
 

0.562%
0.545%

5% DSE 
 

0.097%
0.103%
Show Text 

Viewing Angle 
 

8.8
6.9

Viewing Angle Video  

Chroma Graph  

Color Washout 
 

48°
32°

Hue Graph  

Color Shift 
 

28°
37°

Lightness Graph  

Brightness Loss 
 

67°
42°

Black Level Raise 
 

70°
70°

Gamma Shift 
 

70°
23°
Show Text 

Black Uniformity 
 

10
8.9

Native Black Uniformity Picture  

Native Std. Dev. 
 

0.230%
0.745%

Black Uniformity Picture with Local Dimming  

Std. Dev. w/ L.D. 
 

N/A
0.452%
Show Text 

Reflections 
 

9.4
9.5

Reflections Picture  

Average Room Off Picture  

Bright Room Off Picture  

Screen Finish 
 

Glossy
Glossy

Total Reflections 
 

1.3%
1.1%

Indirect Reflections 
 

0.1%
0.9%

Calculated Direct Reflections 
 

1.2%
0.2%
Show Text 

Pre Calibration 
 

8.1
7.2

Pre White Balance Picture  

Pre Gamma Curve Picture  

Pre Color Picture  

White Balance dE 
 

2.52
3.79

Color dE 
 

2.11
2.58

Gamma 
 

2.15
2.21

Color Temperature 
 

6,055 K
5,859 K

Picture Mode 
 

Expert (Dark Room)
Movie

Color Temp Setting 
 

Warm 2
Warm 2

Gamma Setting 
 

2.2
2.2
Show Text 

Post Calibration 
 

9.5
9.5

Post White Balance Picture  

Post Gamma Curve Picture  

Post Color Picture  

White Balance dE 
 

0.11
0.30

Color dE 
 

1.09
1.09

Gamma 
 

2.20
2.22

Color Temperature 
 

6,496 K
6,473 K

White Balance Calibration 
 

20 point
20 point

Color Calibration 
 

Yes
Yes

Auto-Calibration Function 
 

Yes
Yes
Show Text 

480p Input 
 

8.0
8.0

480p Picture  

Show Text 

720p Input 
 

8.0
8.0

720p Picture  

Show Text 

1080p Input 
 

9.0
9.0

1080p Picture  

Show Text 

4k Input 
 

10
10

4k Picture  

Show Text 

8k Input 
 

0.0
0.0

8k Picture  

Show Text 

Pixels 
 

Pixels Picture  

Type  

OLED
LED

Sub-Type 
 

WRGB
VA
Show Text 

Color Gamut 
 

8.5
8.3

Wide Color Gamut 
 

Yes
Yes

Color Gamut DCI-P3 Picture  

DCI P3 xy 
 

96.64%
90.92%

DCI P3 uv 
 

98.13%
94.14%

Color Gamut Rec.2020 Picture  

Rec 2020 xy 
 

70.44%
68.66%

Rec 2020 uv 
 

73.98%
76.76%

EOTF  

Show Text 

Color Volume 
 

7.1
7.9

P3 Color Volume ITP Picture  

Normalized DCI P3 Coverage ITP 
 

79.9%
88.3%

10,000 cd/m² DCI P3 Coverage ITP 
 

44.5%
53.8%

2020 Color Volume ITP Picture  

Normalized Rec 2020 Coverage ITP 
 

60.9%
70.4%

10,000 cd/m² Rec 2020 Coverage ITP 
 

33.9%
43.6%
Show Text 

Gradient 
 

9.1
8.1

Gradient Picture  

Color Depth 
 

10 Bit
10 Bit

Red (Std. Dev.) 
 

0.084
0.112

Green (Std. Dev.) 
 

0.089
0.126

Blue (Std. Dev.) 
 

0.077
0.089

Gray (Std. Dev.) 
 

0.053
0.096
Show Text 

Temporary Image Retention 
 

8.3
10

Image Retention Picture  

IR after 0 min recovery 
 

0.53%
0.00%

IR after 2 min recovery 
 

0.11%
0.00%

IR after 4 min recovery 
 

0.00%
0.00%

IR after 6 min recovery 
 

0.02%
0.00%

IR after 8 min recovery 
 

0.00%
0.00%

IR after 10 min recovery 
 

0.00%
0.00%
Show Text 

Permanent Burn-In Risk 
 

2.0
10

Permanent Burn-In Risk 
 

Yes
No
Show Text 
Motion

Response Time 
 

9.9
8.5

Motion Blur Picture  

Response Time Chart  

80% Response Time 
 

0.2 ms
3.7 ms

100% Response Time 
 

1.7 ms
9.6 ms
Show Text 

Flicker-Free 
 

10
9.9

Backlight chart 
 

Flicker-Free 
 

No
No

PWM Dimming Frequency 
 

0 Hz
960 Hz
Show Text 

Black Frame Insertion (BFI) 
 

8.7
10

BFI Picture  

BFI Frequency Picture  

Optional BFI 
 

Yes
Yes

Min Flicker for 60 fps 
 

60 Hz
60 Hz

60 Hz for 60 fps 
 

Yes
Yes

120 Hz for 120 fps 
 

No
Yes

Min Flicker for 60 fps in Game Mode 
 

60 Hz
60 Hz
Show Text 

Motion Interpolation 
 

Motion Interpolation (30 fps) Picture  

Motion Interpolation (30 fps) 
 

Yes
Yes

Motion Interpolation (60 fps) Picture  

Motion Interpolation (60 fps) 
 

Yes
Yes
Show Text 

Stutter 
 

4.8
6.7

Frame Hold Time @ 24 fps 
 

40.0 ms
32.1 ms

Frame Hold Time @ 60 fps 
 

15.0 ms
7.1 ms
Show Text 

24p Judder 
 

10
10

Judder-Free 24p 
 

Yes
Yes

Judder-Free 24p via 60p 
 

Yes
Yes

Judder-Free 24p via 60i 
 

Yes
Yes

Judder-Free 24p via Native Apps 
 

Yes
Yes
Show Text 

Variable Refresh Rate 
 

0.0
9.4

Native Refresh Rate 
 

120 Hz
120 Hz

Variable Refresh Rate 
 

No
Yes

HDMI Forum VRR 
 

No
Yes

FreeSync 
 

No
Yes

G-SYNC Compatible 
 

No
No

4k VRR Maximum 
 

N/A

4k VRR Minimum 
 

No VRR support

1080p VRR Maximum 
 

N/A
120 Hz

1080p VRR Minimum 
 

No VRR support
< 20 Hz

1440p VRR Maximum 
 

N/A
120 Hz

1440p VRR Minimum 
 

No VRR support
< 20 Hz

VRR Supported Connectors 
 

No VRR support
HDMI
Show Text 
Inputs

Input Lag 
 

7.9
8.7

1080p @ 60 Hz 
 

21.1 ms
14.7 ms

1080p @ 60 Hz Outside Game Mode 
 

50.0 ms
77.2 ms

1440p @ 60 Hz 
 

N/A
14.6 ms

4k @ 60 Hz 
 

21.1 ms
14.7 ms

4k @ 60 Hz + 10 bit HDR 
 

21.5 ms
14.6 ms

4k @ 60 Hz @ 4:4:4 
 

21.1 ms
14.5 ms

4k @ 60 Hz Outside Game Mode 
 

50.0 ms
57.1 ms

4k @ 60 Hz With Interpolation 
 

100.0 ms
21.2 ms

8k @ 60 Hz 
 

N/A
N/A

1080p @ 120 Hz 
 

21.9 ms
6.0 ms

1440p @ 120 Hz 
 

N/A
6.1 ms

4k @ 120 Hz 
 

N/A
7.1 ms

1080p with Variable Refresh Rate 
 

N/A
5.9 ms

1440p with VRR 
 

N/A
6.1 ms

4k with VRR 
 

N/A
14.1 ms

8k with VRR 
 

N/A
N/A

Auto Low Latency Mode (ALLM) 
 

No
Yes
Show Text 

Supported Resolutions 
 

8.3
9.6

Resolution  

4k
4k

1080p @ 60 Hz @ 4:4:4 
 

Yes
Yes

1080p @ 120 Hz 
 

Yes (native support)
Yes (native support)

1440p @ 60 Hz 
 

No
Yes (native support)

1440p @ 120 Hz 
 

No
Yes (native support)

4k @ 60 Hz 
 

Yes
Yes

4k @ 60 Hz @ 4:4:4 
 

Yes
Yes

4k @ 120 Hz 
 

No
Yes (native support)

8k @ 30 Hz or 24 Hz 
 

No
No

8k @ 60 Hz 
 

No
No
Show Text 

Input Photos  

Side Inputs Picture  

Rear Inputs Picture  

Total Inputs  

HDMI  

4
4

USB  

3
3

Digital Optical Audio Out  

1
1

Analog Audio Out 3.5mm  

0
0

Analog Audio Out RCA  

0
0

Component In  

0
0

Composite In  

1 (incl. adapter)
0

Tuner (Cable/Ant)  

1
1

Ethernet  

1
1

DisplayPort  

0
0

IR In  

0
0

SD/SDHC  

0
0
Show Text 

Inputs Specifications  

HDR10 
 

Yes
Yes

HDR10+ 
 

No
Yes

Dolby Vision 
 

Yes
No

HLG 
 

Yes
Yes

3D 
 

No
No

HDMI 2.0 Full Bandwidth 
 

Yes (HDMI 1,2,3,4)
Yes (HDMI 1,2,3,4)

HDMI 2.1 
 

No
Unknown

CEC  

Yes
Yes

HDCP 2.2  

Yes (HDMI 1,2,3,4)
Yes (HDMI 1,2,3,4)

USB 3.0 
 

No
No

Variable Analog Audio Out  

No
No

Wi-Fi Support  

Yes (2.4 GHz, 5 GHz)
Yes (2.4 GHz, 5 GHz)
Show Text 

Audio Passthrough 
 

ARC 
 

Yes (HDMI 2)
Yes (HDMI 3)

eARC support 
 

No
No

Dolby Atmos via TrueHD via eARC 
 

No
No

DTS:X via DTS-HD MA via eARC 
 

No
No

5.1 Dolby Digital via ARC 
 

Yes
Yes

5.1 DTS via ARC 
 

Yes
No

5.1 Dolby Digital via Optical 
 

Yes
Yes

5.1 DTS via Optical 
 

Yes
No
Show Text 
Sound Quality

Frequency Response 
 

7.4
6.7

Frequency Response  

See details
See details

Low-Frequency Extension 
 

63.50 Hz
75.51 Hz

Std. Dev. @ 70 
 

3.86 dB
2.59 dB

Std. Dev. @ 80 
 

4.09 dB
4.15 dB

Std. Dev. @ Max 
 

5.00 dB
6.46 dB

Max 
 

90.0 dB SPL
87.5 dB SPL

Dynamic Range Compression 
 

3.73 dB
4.95 dB
Show Text 

Distortion 
 

7.0
7.4

Total Harmonic Distortion 
 

See details
See details

Weighted THD @ 80 
 

0.078
0.290

Weighted THD @ Max 
 

0.547
1.104

IMD @ 80 
 

3.06%
0.53%

IMD @ Max 
 

7.68%
1.39%
Show Text 
Smart Features

Interface 
 

8.5
8.0

Smart TV Picture  

Smart OS  

WebOS
Tizen

Version  

4.0
2019

Ease of Use 
 

Easy
Easy

Smoothness 
 

Very Smooth
Very Smooth

Time Taken to Select YouTube 
 

2 s
2 s

Time Taken to Change Backlight 
 

7 s
7 s

Advanced Options 
 

Many
Many
Show Text 

Ad-Free 
 

0.0
0.0

Ads Picture  

Ads 
 

Yes
Yes

Opt-out 
 

No
No

Suggested Content in Home 
 

Yes
Yes

Opt-out of Suggested Content 
 

No
No
Show Text 

Apps and Features 
 

8.0
8.5

Apps Picture  

App Selection 
 

Great
Great

App Smoothness 
 

Average
Average

Cast Capable 
 

Yes
Yes

USB Drive Playback 
 

Yes
Yes

USB Drive HDR Playback 
 

Yes
Yes

HDR in Netflix 
 

Yes
Yes

HDR in YouTube 
 

Yes
Yes
Show Text 

Remote 
 

9.0
8.5

Remote Picture  

Size 
 

Large
Small

Voice Control 
 

Many Features
Many Features

CEC Menu Control 
 

Yes
Yes

Other Smart Features 
 

Yes
Yes

Remote App  

LG TV Plus
Samsung SmartThings
Show Text 

TV Controls  

Controls Picture  

Show Text 

In The Box  

In The Box Picture  

Show Text 

Misc  

Power Consumption  

79 W
78 W

Power Consumption (Max)  

179 W
262 W

Firmware  

03.00.62
1060

Check Price

55"
OLED55C8
SEE PRICE
Amazon.com
55"
 
65"
OLED65C8
Amazon.com
65"
QN65Q90RAFXZA
SEE PRICE
Amazon.com
75"
 
75"
QN75Q90RAFXZA
SEE PRICE
Amazon.com
77"
OLED77C8
Amazon.com
77"
 
82"
 
82"
QN82Q90RAFXZA
SEE PRICE
Amazon.com

LG C8 OLED

Samsung Q90/Q90R QLED

Comments

  1. Comparison

LG C8 OLED vs Samsung Q90/Q90R QLED: Main Discussion

What do you think of these products? Let us know below.


Looking for a personalized buying advice from the RTINGS.com experts? Insiders have direct access to buying advice on our insider forum.

PreviewBack to editorFormat guide
No comments yet, refresh to see new ones