LG G4 OLED vs TCL QM8/QM851G QLED Side-by-Side TV Comparison

55"

65"

OLED65G4SUB

65"

65QM851G

75"

75QM851G

77"

OLED77G4WUA

77"

83"

OLED83G4WUA

83"

85"

85QM851G

97"

OLED97G4WUA

97"

98"

98QM851G

Main Differences for

Threshold

0.10

Mixed Usage

8.6

8.2

SDR Brightness

7.6

9.5

HDR Brightness

8.6

9.4

Contrast

8.9

Full Comparison

Mixed Usage

8.6

8.2

Home Theater

8.7

8.3

Bright Room

7.7

8.5

Sports

8.1

8.2

Gaming

8.9

8.4

Brightness

8.3

9.4

Black Level

8.8

Color

8.2

7.9

Processing (In Development)

8.4

6.8

Game Mode Responsiveness

9.2

7.9

Motion Handling (Broken)

7.6

7.4

Brightness

HDR Brightness

8.6

9.4

HDR Hallway Photo

HDR Cityscape Photo

HDR Landscape Photo

Hallway Lights (~1950 cd/m²)

1,194 cd/m²

1,472 cd/m²

Yellow Skyscraper (~700 cd/m²)

719 cd/m²

611 cd/m²

Landscape Pool (~300 cd/m²)

303 cd/m²

473 cd/m²

Peak 2% Window

1,550 cd/m²

2,564 cd/m²

Peak 10% Window

1,459 cd/m²

3,467 cd/m²

Peak 25% Window

701 cd/m²

3,338 cd/m²

Peak 50% Window

468 cd/m²

1,814 cd/m²

Peak 100% Window

226 cd/m²

967 cd/m²

Sustained 2% Window

1,487 cd/m²

2,497 cd/m²

Sustained 10% Window

1,399 cd/m²

3,319 cd/m²

Sustained 25% Window

672 cd/m²

3,253 cd/m²

Sustained 50% Window

468 cd/m²

1,810 cd/m²

Sustained 100% Window

224 cd/m²

965 cd/m²

Automatic Brightness Limiting (ABL)

0.108

0.060

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HDR Brightness In Game Mode

8.5

9.4

HDR Hallway Photo

HDR Cityscape Photo

HDR Landscape Photo

Hallway Lights (~1950 cd/m²)

1,190 cd/m²

1,393 cd/m²

Yellow Skyscraper (~700 cd/m²)

692 cd/m²

625 cd/m²

Landscape Pool (~300 cd/m²)

286 cd/m²

447 cd/m²

Peak 2% Window

1,433 cd/m²

4,167 cd/m²

Peak 10% Window

1,413 cd/m²

3,425 cd/m²

Peak 25% Window

611 cd/m²

3,366 cd/m²

Peak 50% Window

420 cd/m²

1,796 cd/m²

Peak 100% Window

221 cd/m²

956 cd/m²

Sustained 2% Window

1,401 cd/m²

2,384 cd/m²

Sustained 10% Window

1,376 cd/m²

3,300 cd/m²

Sustained 25% Window

600 cd/m²

3,251 cd/m²

Sustained 50% Window

420 cd/m²

1,792 cd/m²

Sustained 100% Window

219 cd/m²

953 cd/m²

Automatic Brightness Limiting (ABL)

0.104

0.060

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SDR Brightness

7.6

9.5

Real Scene Peak Brightness

513 cd/m²

1,108 cd/m²

Peak 2% Window

611 cd/m²

4,043 cd/m²

Peak 10% Window

596 cd/m²

3,355 cd/m²

Peak 25% Window

546 cd/m²

3,291 cd/m²

Peak 50% Window

500 cd/m²

1,767 cd/m²

Peak 100% Window

317 cd/m²

940 cd/m²

Sustained 2% Window

604 cd/m²

2,320 cd/m²

Sustained 10% Window

589 cd/m²

3,238 cd/m²

Sustained 25% Window

543 cd/m²

3,171 cd/m²

Sustained 50% Window

498 cd/m²

1,761 cd/m²

Sustained 100% Window

317 cd/m²

938 cd/m²

Automatic Brightness Limiting (ABL)

0.037

0.060

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Black Level

Contrast

8.9

Contrast Picture

Contrast

Inf : 1

201,150 : 1

Native Contrast

Inf : 1

6,515 : 1

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Lighting Zone Precision

8.5

Lighting Zone Precision Picture

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Lighting Zone Transitions

8.5

Preferred LD Video, Moving Object

Local Dimming

Yes

Backlight

No Backlight

Full-Array

Dimming Zone Count Of The Tested TV

8,294,400

2,880

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Contrast And Dark Details In Game Mode

9.5

9.0

Lighting Zone Precision Photo In Game Mode

Preferred LD Video, Moving Object In Game Mode

Game Transitions With VRR And Preferred LD

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Black Uniformity

8.9

Black Uniformity Picture With Preferred Local Dimming

Std. Dev.

N/A

0.154%

Native Black Uniformity Picture

Native Std. Dev.

0.167%

0.569%

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Color

SDR Color Volume

7.5

7.7

DCI-P3 Gamut Rings

CIELAB DCI-P3 Coverage

91.18%

90.94%

BT.2020 Gamut Rings

CIELAB BT.2020 Coverage

61.27%

67.01%

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HDR Color Volume

8.0

9.0

P3 Color Volume ITP Picture

1,000 cd/m² DCI P3 Coverage ITP

88.3%

85.2%

2020 Color Volume ITP Picture

10,000 cd/m² BT.2020 Coverage ITP

39.7%

54.8%

White Luminance

1,585 cd/m²

2,513 cd/m²

Red Luminance

144 cd/m²

585 cd/m²

Green Luminance

435 cd/m²

1,885 cd/m²

Blue Luminance

51 cd/m²

189 cd/m²

Cyan Luminance

474 cd/m²

2,075 cd/m²

Magenta Luminance

183 cd/m²

773 cd/m²

Yellow Luminance

553 cd/m²

2,451 cd/m²

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SDR Pre-Calibration Color Accuracy

9.3

7.5

Pre White Balance Picture

Pre Gamma Curve Picture

Pre Color Picture

White Balance dE 2000

0.99

3.36

Color dE 2000

0.79

2.07

Gamma

2.19

2.09

Color Temperature

6,381 K

6,127 K

Picture Mode

Expert (Dark Space)

Movie

Color Temp Setting

Warm 50

Warm -5

Gamma Setting

2.2

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SDR Post-Calibration Color Accuracy

9.7

9.6

Post White Balance Picture

Post Gamma Curve Picture

Post Color Picture

White Balance dE 2000

0.13

0.24

Color dE 2000

0.73

0.82

Gamma

2.20

Color Temperature

6,477 K

6,483 K

White Balance Calibration

22 point

20 point

Color Calibration

Yes

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HDR Pre-Calibration Color Accuracy

8.7

5.7

HDR Pre White Balance Picture

HDR Pre Color Picture

White Balance dE ITP

5.42

41.45

Color dE ITP

6.4

49.6

Color Temperature

6,637 K

6,308 K

Picture Mode

Cinema

Movie

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HDR Post-Calibration Color Accuracy

9.0

7.0

HDR Post White Balance Picture

HDR Post Color Picture

White Balance dE ITP

4.36

19.70

Color dE ITP

6.20

8.60

Color Temperature

6,425 K

6,276 K

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Processing

PQ EOTF Tracking

8.1

3.9

PQ EOTF Graph

600 Nit Tracking Delta

0.0048

0.0313

1000 Nit Tracking Delta

0.0050

0.0314

4000 Nit Tracking Delta

0.0050

0.0314

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Low-Quality Content Smoothing

8.7

8.1

Low-Quality Content Smoothing Picture

Smoothing

9.0

8.5

Detail Preservation

8.0

7.0

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Upscaling: Sharpness Processing

8.5

7.5

Sharpness Picture - 480p

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HDR Native Gradient

8.3

7.8

HDR Gradient Picture

100% Black To 50% Gray

6.0

50% Gray To 100% White

6.0

100% Black To 50% Red

8.0

50% Red To 100% Red

100% Black To 50% Green

8.0

50% Green To 100% Green

8.0

100% Black To 50% Blue

8.0

50% Blue To 100% Blue

8.0

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Game Mode Responsiveness

Input Lag

9.0

8.4

1080p @ 60Hz

10.0 ms

14.1 ms

1080p @ 60Hz Outside Game Mode

89.7 ms

125.0 ms

1080p @ 120Hz

5.3 ms

6.1 ms

1080p @ Max Refresh Rate

4.6 ms

8.0 ms

4k @ 60Hz

9.9 ms

14.1 ms

4k @ 60Hz @ 4:4:4

10.0 ms

15.0 ms

4k @ 60Hz Outside Game Mode

89.6 ms

124.7 ms

4k @ 60Hz With Interpolation

85.7 ms

116.5 ms

4k @ 120Hz

5.4 ms

5.9 ms

4k @ Max Refresh Rate

4.6 ms

5.0 ms

8k @ 60Hz

N/A

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Supported Resolutions

9.7

Resolution

480p @ 59.94Hz (Widescreen)

Yes

720p @ 59.94Hz

Yes

1080p @ 60Hz @ 4:4:4

Yes

1080p @ 120Hz

Yes

1080p @ 144Hz

Yes

4k @ 60Hz

Yes

4k @ 60Hz @ 4:4:4

Yes

4k @ 120Hz

Yes

4k @ 120Hz @ 4:4:4

Yes

4k @ 144Hz

Yes

8k @ 30Hz Or 24Hz

8k @ 60Hz

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Variable Refresh Rate

8.5

8.8

Native Refresh Rate

144Hz

Variable Refresh Rate

Yes

HDMI Forum VRR

Yes

FreeSync

Yes

G-SYNC Compatible

Yes (NVIDIA Certified)

Yes

4k VRR Maximum

144 Hz

4k VRR Minimum

< 20 Hz

1080p VRR Maximum

144 Hz

240 Hz

1080p VRR Minimum

< 20 Hz

VRR + Local Dimming

No Local Dimming

Yes

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CAD In Game Mode @ Max Refresh Rate

9.5

7.5

Pursuit Photo Max Refresh

CAD Heatmap Max Refresh

Transition At Max Refresh

0 to 31

Cycle through frames

0 to 31

Cycle through frames

Avg. CAD

173

Best 10% CAD

Worst 10% CAD

109

303

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CAD In Game Mode @ 120Hz

9.6

6.9

Pursuit Photo 120Hz

CAD Heatmap 120Hz

Transition At 120Hz

0 to 31

Cycle through frames

0 to 31

Cycle through frames

Avg. CAD

200

Best 10% CAD

Worst 10% CAD

482

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CAD In Game Mode @ 60Hz

9.4

7.0

Pursuit Photo 60Hz

CAD Heatmap 60Hz

Transition 60Hz

0 to 31

Cycle through frames

0 to 31

Cycle through frames

Avg. CAD

217

Best 10% CAD

Worst 10% CAD

140

372

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PS5 Compatibility

PS5 Screenshot

Auto Low Latency Mode (ALLM)

Yes

4k @ 120Hz

Yes

1440p @ 120Hz

Yes

1080p @ 120Hz

Yes

HDR

Yes

VRR

Yes

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Xbox Series X|S Compatibility

Xbox Series X Screenshot

Auto Low Latency Mode (ALLM)

Yes

4k @ 120Hz

Yes

1440p @ 120Hz

Yes

1080p @ 120Hz

Yes

HDR

Yes

VRR

Yes

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Motion Handling

Stutter

4.2

6.1

Frame Hold Time @ 24 fps

41.1 ms

36.2 ms

Frame Hold Time @ 60 fps

16.1 ms

11.2 ms

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24p Judder

Judder-Free 24p

Yes

Judder-Free 24p via 60p

Yes

Judder-Free 24p via 60i

Yes

Judder-Free 24p via Native Apps

Yes

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Response Time

9.5

8.1

Pursuit Photo 60Hz

Response Time Heatmap 60Hz

Transition At 60Hz

0 to 31

Cycle through frames

0 to 31

Cycle through frames

First Response Time

0.6 ms

5.5 ms

Total Response Time

3.5 ms

10.6 ms

Worst 10% Response Time

10.1 ms

22.9 ms

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Flicker

Backlight chart

Flicker-Free

PWM Dimming Frequency

0 Hz

30,000 Hz

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Black Frame Insertion (BFI)

BFI Picture

BFI Frequency Picture

Optional BFI

Yes

Min Flicker For 60 fps

60 Hz

60Hz For 60 fps

Yes

120Hz For 120 fps

Yes

Min Flicker For 60 fps In Game Mode

60 Hz

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Motion Interpolation

Motion Interpolation (30 fps) Picture

Motion Interpolation (30 fps)

Yes

Motion Interpolation (60 fps) Picture

Motion Interpolation (60 fps)

Yes

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Reflections

Direct Reflections

8.2

6.3

Ring Light Picture

Direct Reflections Graph

Peak Direct Reflection Intensity

21.8%

46.5%

Screen Finish

Glossy

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Ambient Black Level Raise

7.0

9.1

Black Level Raise Picture

Bright Room Black Level Raise Graph

Black Luminance @ 0 lx

0.00 cd/m²

Black Luminance @ 1000 lx

1.62 cd/m²

0.38 cd/m²

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Total Reflected Light

9.0

7.8

Bright Room Off Picture

Ring Picture Total Reflection

Total Reflected Light Intensity

5,015% ⋅ pixel

12,962% ⋅ pixel

Diffraction Artifacts

Yes

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Ambient Color Saturation

6.5

8.4

Bright Room Color Volume Graph

Low-Luminance Colors @ 1000 lx

57.98%

71.72%

Mid-Luminance Colors @ 1000 lx

54.22%

68.86%

High-Luminance Colors @ 1000 lx

32.43%

59.50%

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Panel

Viewing Angle

9.9

6.2

Viewing Angle Video

Chroma Graph

Color Washout

70°

23°

Hue Graph

Color Shift

70°

31°

Lightness Graph

Brightness Loss

70°

30°

Black Level Raise

70°

18°

Gamma Shift

70°

18°

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Gray Uniformity

7.9

7.1

50% Uniformity Picture

50% Std. Dev.

1.346%

2.225%

50% DSE

0.143%

0.170%

5% Uniformity Picture

5% Std. Dev.

0.463%

0.670%

5% DSE

0.085%

0.093%

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Panel Technology

Spectral Power Distribution

Pixels Picture

Type

OLED

LED

Sub-Type

WOLED

Subpixel Layout

RWBG

BGR

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Inputs

Input Specifications

Side Inputs Picture

Rear Inputs Picture

HDMI

4 (4x HDMI 2.1)

4 (2x HDMI 2.0, 2x HDMI 2.1)

HDMI 2.1 Rated Speed

48 Gbps

ATSC Tuner

1.0

3.0 (NEXTGEN TV)

USB Ports

USB 3.0

Yes (1)

Audio Out 3.5mm

Wi-Fi

Yes (2.4 GHz, 5 GHz, 6 GHz)

Ethernet Speed

100 Mbps

Composite In

1 (Adapter Required, Not Incl.)

Digital Optical Audio Out

Show text

Audio Passthrough

ARC/eARC Port

eARC

eARC: Dolby Atmos Over Dolby Digital Plus

Yes

eARC: Dolby Digital Plus 7.1

Yes

eARC: LPCM 7.1 Over Dolby MAT

Yes

eARC: Dolby TrueHD 7.1

Yes

eARC: DTS:X Over DTS-HD MA

Yes

eARC: DTS-HD Master Audio 7.1

Yes

eARC: LPCM Channels (Bitstream)

7.1

ARC: Dolby Digital 5.1

Yes

ARC: DTS 5.1

Yes

Optical: Dolby Digital 5.1

Yes

Optical: DTS 5.1

Yes

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HDR Format Support

HDR10

Yes

HDR10+

Yes

Dolby Vision

Yes

HLG

Yes

Design

Style

Design Picture

Curved

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Stand

Stand Picture

Show text

Back

Back Picture

Wall Mount

VESA 300x300

VESA 400x400

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Borders

Borders Picture

Borders

0.24" (0.6 cm)

0.31" (0.8 cm)

Thickness

Thickness Picture

Max Thickness

0.94" (2.4 cm)

2.28" (5.8 cm)

Build Quality

9.0

8.5

Build quality picture

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Smart Features

Interface

Smart TV Picture

Smart OS

webOS

Google TV

Version

Show text

Ad-Free

0.0

Ads Picture

Yes

Opt-out

Opt-out of Suggested Content

Show text

Remote

Remote Picture

Voice Control

Yes

Show text

TV Controls

Controls Picture

Mute Switch

Yes

Show text

In The Box

In The Box Picture

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Misc

Power Consumption

78 W

66 W

Power Consumption (Max)

233 W

307 W

Firmware

03.10.27

V8-T653T02-LF1V085

Sound Quality

Frequency Response

7.5

7.0

Frequency Response

Low-Frequency Extension

80.00 Hz

75.51 Hz

Std. Dev. @ 70

3.06 dB

3.92 dB

Std. Dev. @ 80

2.72 dB

3.60 dB

Std. Dev. @ Max

4.04 dB

4.90 dB

Max

91.9 dB SPL

87.3 dB SPL

Dynamic Range Compression

4.90 dB

4.74 dB

Digital Room Correction

Yes

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Check Price

55"

OLED55G4SUB

55"

65"

OLED65G4SUB

65"

65QM851G

75"

75QM851G

77"

OLED77G4WUA

77"

83"

OLED83G4WUA

83"

85"

85QM851G

97"

OLED97G4WUA

97"

98"

98QM851G