TCL QM751G vs Q77K: Which TV Is Better?

55"

55Q77K

65"

65QM751G

65"

65Q77K

75"

75QM751G

75"

75Q77K

85"

85QM751G

85"

85Q77K

98"

98QM751G

BestBuy.com

98"

98Q77K

Notice: Two or more of the products being compared have been tested with different test methodologies. Some of the results aren't directly comparable. Learn how our test benches and scoring system work, and read more about the latest changes to our TVs test methodology.

Threshold

0.10

Mixed Usage

7.8

5.7

HDR Brightness

8.1

3.9

SDR Brightness

8.6

5.3

Contrast

8.2

4.5

Lighting Zone Precision

7.5

0.0

Black Uniformity

9.5

7.0

HDR Color Volume

8.5

5.8

Full Comparison

Mixed Usage

7.8

5.7

Home Theater

7.9

5.5

Bright Room

7.8

5.8

Sports

7.8

6.0

Gaming

7.8

6.1

Brightness

8.3

4.3

Black Level

8.5

4.4

Color

7.6

6.3

Processing (In Development)

7.1

7.3

Game Mode Responsiveness

7.7

7.5

Motion Handling (Broken)

7.5

7.6

Brightness

HDR Brightness

8.1

3.9

HDR Hallway Photo

Compare High-Res

HDR Cityscape Photo

Compare High-Res

HDR Landscape Photo

Compare High-Res

Hallway Lights (~1950 cd/m²)

828 cd/m²

260 cd/m²

Yellow Skyscraper (~700 cd/m²)

397 cd/m²

203 cd/m²

Landscape Pool (~300 cd/m²)

299 cd/m²

123 cd/m²

Peak 2% Window

1,315 cd/m²

288 cd/m²

Peak 10% Window

1,555 cd/m²

288 cd/m²

Peak 25% Window

1,449 cd/m²

288 cd/m²

Peak 50% Window

899 cd/m²

288 cd/m²

Peak 100% Window

564 cd/m²

288 cd/m²

Sustained 2% Window

1,115 cd/m²

288 cd/m²

Sustained 10% Window

1,527 cd/m²

288 cd/m²

Sustained 25% Window

1,428 cd/m²

288 cd/m²

Sustained 50% Window

897 cd/m²

288 cd/m²

Sustained 100% Window

564 cd/m²

288 cd/m²

Automatic Brightness Limiting (ABL)

0.052

0.000

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HDR Brightness In Game Mode

8.0

4.1

HDR Hallway Photo

Compare High-Res

HDR Cityscape Photo

Compare High-Res

HDR Landscape Photo

Compare High-Res

Hallway Lights (~1950 cd/m²)

796 cd/m²

263 cd/m²

Yellow Skyscraper (~700 cd/m²)

400 cd/m²

211 cd/m²

Landscape Pool (~300 cd/m²)

293 cd/m²

147 cd/m²

Peak 2% Window

1,297 cd/m²

288 cd/m²

Peak 10% Window

1,466 cd/m²

289 cd/m²

Peak 25% Window

1,378 cd/m²

289 cd/m²

Peak 50% Window

862 cd/m²

288 cd/m²

Peak 100% Window

543 cd/m²

288 cd/m²

Sustained 2% Window

1,098 cd/m²

288 cd/m²

Sustained 10% Window

1,443 cd/m²

289 cd/m²

Sustained 25% Window

1,364 cd/m²

288 cd/m²

Sustained 50% Window

860 cd/m²

288 cd/m²

Sustained 100% Window

542 cd/m²

288 cd/m²

Automatic Brightness Limiting (ABL)

0.052

0.000

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SDR Brightness

8.6

5.3

Real Scene Peak Brightness

604 cd/m²

246 cd/m²

Peak 2% Window

1,222 cd/m²

305 cd/m²

Peak 10% Window

1,509 cd/m²

304 cd/m²

Peak 25% Window

1,406 cd/m²

303 cd/m²

Peak 50% Window

844 cd/m²

302 cd/m²

Peak 100% Window

532 cd/m²

302 cd/m²

Sustained 2% Window

1,031 cd/m²

304 cd/m²

Sustained 10% Window

1,487 cd/m²

303 cd/m²

Sustained 25% Window

1,329 cd/m²

302 cd/m²

Sustained 50% Window

840 cd/m²

302 cd/m²

Sustained 100% Window

531 cd/m²

301 cd/m²

Automatic Brightness Limiting (ABL)

0.053

0.001

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Black Level

Contrast

8.2

4.5

Contrast Picture

Compare High-Res

Contrast

135,500 : 1

4,657 : 1

Native Contrast

5,651 : 1

4,657 : 1

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Lighting Zone Precision

7.5

0.0

Lighting Zone Precision Picture

Compare High-Res

TCL Q77K Lighting Zone Precision Picture

Show Text

Lighting Zone Transitions

8.0

Preferred LD Video, Moving Object

Local Dimming

Yes

Backlight

Full-Array

Direct

Dimming Zone Count Of The Tested TV

1,248

N/A

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Contrast And Dark Details In Game Mode

8.0

4.5

Lighting Zone Precision Photo In Game Mode

Compare High-Res

TCL Q77K 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

9.5

7.0

Black Uniformity Picture With Preferred Local Dimming

Compare High-Res

TCL Q77K Black Uniformity Picture With Preferred Local Dimming

Std. Dev.

0.269%

N/A

Native Black Uniformity Picture

Compare High-Res

TCL Q77K Native Black Uniformity Picture

Native Std. Dev.

0.420%

0.756%

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Color

SDR Color Volume

8.0

6.9

DCI-P3 Gamut Rings

Compare High-Res

CIELAB DCI-P3 Coverage

92.27%

84.74%

BT.2020 Gamut Rings

Compare High-Res

CIELAB BT.2020 Coverage

70.17%

58.58%

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HDR Color Volume

8.5

5.8

P3 Color Volume ITP Picture

Compare High-Res

1,000 cd/m² DCI P3 Coverage ITP

82.8%

52.6%

2020 Color Volume ITP Picture

Compare High-Res

10,000 cd/m² BT.2020 Coverage ITP

44.8%

23.2%

White Luminance

1,199 cd/m²

289 cd/m²

Red Luminance

291 cd/m²

62 cd/m²

Green Luminance

826 cd/m²

168 cd/m²

Blue Luminance

91 cd/m²

16 cd/m²

Cyan Luminance

920 cd/m²

193 cd/m²

Magenta Luminance

383 cd/m²

57 cd/m²

Yellow Luminance

1,117 cd/m²

199 cd/m²

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SDR Pre-Calibration Color Accuracy

5.2

6.1

Pre White Balance Picture

Compare High-Res

Pre Gamma Curve Picture

Compare High-Res

Pre Color Picture

Compare High-Res

White Balance dE 2000

6.27

5.05

Color dE 2000

3.22

3.05

Gamma

2.20

2.37

Color Temperature

5,794 K

6,993 K

Picture Mode

Movie

FILMMAKER Mode

Color Temp Setting

Warm -5

warm 5

Gamma Setting

2.2

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SDR Post-Calibration Color Accuracy

9.7

9.5

Post White Balance Picture

Compare High-Res

Post Gamma Curve Picture

Compare High-Res

Post Color Picture

Compare High-Res

White Balance dE 2000

0.40

0.20

Color dE 2000

0.48

1.35

Gamma

2.21

2.19

Color Temperature

6,470 K

6,502 K

White Balance Calibration

20 point

Color Calibration

Yes

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HDR Pre-Calibration Color Accuracy

7.0

6.6

HDR Pre White Balance Picture

Compare High-Res

HDR Pre Color Picture

Compare High-Res

White Balance dE ITP

14.66

12.80

Color dE ITP

19.2

10.2

Color Temperature

6,534 K

7,136 K

Picture Mode

Movie

FILMMAKER MODE

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HDR Post-Calibration Color Accuracy

9.2

HDR Post White Balance Picture

Compare High-Res

HDR Post Color Picture

Compare High-Res

White Balance dE ITP

2.86

4.80

Color dE ITP

4.70

4.50

Color Temperature

6,358 K

6,550 K

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Processing

PQ EOTF Tracking

5.3

8.6

PQ EOTF Graph

Preview Graph

600 Nit Tracking Delta

0.0156

0.0037

1000 Nit Tracking Delta

0.0155

0.0037

4000 Nit Tracking Delta

0.0156

0.0031

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Low-Quality Content Smoothing

8.1

7.0

Low-Quality Content Smoothing Picture

Compare High-Res

Smoothing

8.5

7.0

Detail Preservation

7.0

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Upscaling: Sharpness Processing

7.5

6.5

Sharpness Picture - 480p

Compare High-Res

Show Text

HDR Native Gradient

7.5

HDR Gradient Picture

Compare High-Res

100% Black To 50% Gray

6.0

50% Gray To 100% White

6.0

8.0

100% Black To 50% Red

8.0

6.0

50% Red To 100% Red

8.0

100% Black To 50% Green

8.0

6.0

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

8.3

9.1

1080p @ 60Hz

14.3 ms

9.9 ms

1080p @ 60Hz Outside Game Mode

125.2 ms

107.9 ms

1080p @ 120Hz

6.4 ms

5.3 ms

1080p @ Max Refresh Rate

8.1 ms

2.9 ms

4k @ 60Hz

14.4 ms

9.8 ms

4k @ 60Hz @ 4:4:4

14.8 ms

9.8 ms

4k @ 60Hz Outside Game Mode

124.9 ms

107.3 ms

4k @ 60Hz With Interpolation

116.9 ms

111.9 ms

4k @ 120Hz

6.0 ms

5.3 ms

4k @ Max Refresh Rate

5.2 ms

4.8 ms

8k @ 60Hz

N/A

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Supported Resolutions

9.5

Resolution

480p @ 59.94Hz (Widescreen)

Yes

720p @ 59.94Hz

Yes

1080p @ 60Hz @ 4:4:4

Yes

1080p @ 120Hz

Yes

1080p Maximum Refresh Rate

240 Hz

288 Hz

4k @ 60Hz

Yes

4k @ 60Hz @ 4:4:4

Yes

4k @ 120Hz

Yes

4k @ 120Hz @ 4:4:4

Yes

4k Maximum Refresh Rate

144 Hz

8k @ 30Hz Or 24Hz

8k @ 60Hz

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Variable Refresh Rate

8.8

Native Refresh Rate

144Hz

Variable Refresh Rate

Yes

HDMI Forum VRR

Yes

FreeSync

Yes

G-SYNC Compatible

Yes

4k VRR Maximum

144 Hz

4k VRR Minimum

< 20 Hz

1080p VRR Maximum

240 Hz

288 Hz

1080p VRR Minimum

< 20 Hz

VRR + Local Dimming

Yes

No Local Dimming

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CAD In Game Mode @ Max Refresh Rate

6.7

6.3

Pursuit Photo Max Refresh

Compare High-Res

CAD Heatmap Max Refresh

Compare High-Res

Transition At Max Refresh

0 to 31

Cycle through frames

0 to 31

Cycle through frames

Avg. CAD

225

261

Best 10% CAD

121

119

Worst 10% CAD

357

435

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CAD In Game Mode @ 120Hz

6.8

6.3

Pursuit Photo 120Hz

Compare High-Res

CAD Heatmap 120Hz

Compare High-Res

Transition At 120Hz

0 to 31

Cycle through frames

0 to 31

Cycle through frames

Avg. CAD

212

262

Best 10% CAD

114

Worst 10% CAD

460

430

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CAD In Game Mode @ 60Hz

6.8

5.3

Pursuit Photo 60Hz

Compare High-Res

CAD Heatmap 60Hz

Compare High-Res

Transition 60Hz

0 to 31

Cycle through frames

0 to 31

Cycle through frames

Avg. CAD

212

349

Best 10% CAD

118

Worst 10% CAD

457

598

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PS5 Compatibility

PS5 Screenshot

Compare High-Res

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

Compare High-Res

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

Response Time Stutter

6.4

7.7

Frame Hold Time @ 24 fps

35.4 ms

29.2 ms

Frame Hold Time @ 60 fps

10.4 ms

4.2 ms

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Micro Judder

8.0

24p Clip

25p Clip

Micro Judder-Free 24p

Yes

Micro Judder-Free 25p

Yes

Micro Judder-Free 24p via 60p

Yes

Micro Judder-Free 25p via 60p

Micro Judder-Free 24p via Native Apps

Yes

Micro Judder-Free 25p via Native Apps

Yes

Judder

9.6

Judder Video Picture

Judder 24p

Judder 25p

Judder 24p via 60p

Judder 25p via 60p

8.0

Judder 24p via 60i

Judder 24p via Native Apps

Judder 25p via Native Apps

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

8.0

6.1

Pursuit Photo 60Hz

Compare High-Res

Response Time Heatmap 60Hz

Compare High-Res

Transition At 60Hz

0 to 31

Cycle through frames

0 to 31

Cycle through frames

First Response Time

6.3 ms

12.5 ms

Total Response Time

10.0 ms

12.5 ms

Worst 10% Response Time

21.8 ms

29.6 ms

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Flicker

Backlight chart

Compare High-Res

Flicker-Free

PWM Dimming Frequency

10,000 Hz

150 Hz

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Black Frame Insertion (BFI)

BFI Picture

Compare High-Res

BFI Frequency Picture

Compare High-Res

Optional BFI

Yes

Min Flicker For 60 fps

60 Hz

150 Hz

60Hz For 60 fps

Yes

120Hz For 120 fps

Yes

Min Flicker For 60 fps In Game Mode

60 Hz

150 Hz

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Motion Interpolation

Motion Interpolation (30 fps) Picture

Compare High-Res

Motion Interpolation (30 fps)

Yes

Motion Interpolation (60 fps) Picture

Compare High-Res

Motion Interpolation (60 fps)

Yes

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Reflections

Direct Reflections

5.3

5.7

Ring Light Picture

Compare High-Res

Direct Reflections Graph

Preview Graph

Peak Direct Reflection Intensity

67.1%

60.1%

Screen Finish

Glossy

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Ambient Black Level Raise

9.1

9.0

Black Level Raise Picture

Compare High-Res

Bright Room Black Level Raise Graph

Preview Graph

TCL Q77K Bright Room Black Level Raise Graph

Black Luminance @ 0 lx

0.00 cd/m²

0.06 cd/m²

Black Luminance @ 1000 lx

0.38 cd/m²

0.39 cd/m²

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Total Reflected Light

5.9

Bright Room Off Picture

Compare High-Res

Ring Picture Total Reflection

Compare High-Res

Total Reflected Light Intensity

27,092% ⋅ pixel

27,460% ⋅ pixel

Diffraction Artifacts

Yes

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Ambient Color Saturation

8.5

7.0

Bright Room Color Volume Graph

Preview Graph

Low-Luminance Colors @ 1000 lx

71.10%

60.44%

Mid-Luminance Colors @ 1000 lx

71.77%

58.95%

High-Luminance Colors @ 1000 lx

67.56%

50.53%

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Panel

Viewing Angle

6.7

6.9

Viewing Angle Video

Chroma Graph

Compare High-Res

Color Washout

23°

26°

Hue Graph

Compare High-Res

Color Shift

65°

70°

Lightness Graph

Compare High-Res

Brightness Loss

30°

39°

Black Level Raise

18°

24°

Gamma Shift

20°

18°

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Gray Uniformity

6.5

6.3

50% Uniformity Picture

Compare High-Res

50% Std. Dev.

3.346%

2.967%

50% DSE

0.182%

0.178%

5% Uniformity Picture

Compare High-Res

5% Std. Dev.

1.050%

1.166%

5% DSE

0.084%

0.121%

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Panel Technology

Spectral Power Distribution

Compare High-Res

Pixels Picture

Compare High-Res

Panel Type

LED

LCD

Sub-Type

Subpixel Layout

BGR

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Inputs

Input Specifications

Side Inputs Picture

Compare High-Res

Rear Inputs Picture

Compare High-Res

HDMI

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

HDMI 2.1 Rated Speed

48 Gbps

ATSC Tuner

1.0

USB Ports

USB 3.0

Yes (1)

Audio Out 3.5mm

Wi-Fi

Yes (2.4 GHz, 5 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

Compare High-Res

Curved

Show Text

Stand

Stand Picture

Compare High-Res

Show Text

Back

Back Picture

Compare High-Res

Wall Mount

VESA 400x400

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Borders

Borders Picture

Compare High-Res

Borders

0.31" (0.8 cm)

0.35" (0.9 cm)

Thickness

Thickness Picture

Compare High-Res

Max Thickness

3.11" (7.9 cm)

2.72" (6.9 cm)

Build Quality

8.0

6.5

Build quality picture

Compare High-Res

Show Text

Smart Features

Interface

Smart TV Picture

Compare High-Res

Smart OS

Google TV

Version

Show Text

Ad-Free

0.0

Ads Picture

Compare High-Res

Yes

Opt-out

Opt-out of Suggested Content

Show Text

Remote

Remote Picture

Compare High-Res

Voice Control

Yes

Show Text

TV Controls

Controls Picture

Compare High-Res

Mute Switch

Yes

Show Text

In The Box

In The Box Picture

Compare High-Res

Show Text

Misc

Power Consumption

70 W

73 W

Power Consumption (Max)

309 W

168 W

Firmware

V8-T653T02-LF1V097

V8-0012T02-LF1V209

Sound Quality

Frequency Response

6.6

6.2

Frequency Response

Preview Graph

Low-Frequency Extension

119.87 Hz

134.54 Hz

Std. Dev. @ 70

3.63 dB

3.13 dB

Std. Dev. @ 80

3.64 dB

3.19 dB

Std. Dev. @ Max

4.40 dB

5.26 dB

Max

85.9 dB SPL

85.8 dB SPL

Dynamic Range Compression

1.69 dB

3.28 dB

Digital Room Correction

Show Text

Check Price

55"

55QM751G

55"

55Q77K

65"

65QM751G

65"

65Q77K

75"

75QM751G

75"

75Q77K

85"

85QM751G

85"

85Q77K

98"

98QM751G

BestBuy.com

98"

98Q77K