TCL Q651G vs QM5K: Which TV Is Better?

Tested using Methodology v2.0.1

Updated Nov 10, 2025 09:34 PM

This review is in Early access

Resolution4k

Native Refresh Rate 60Hz

TypeLED

Sub-Type VA

Dolby Vision Yes

Screen Finish Glossy

ResolutionLocked

Native Refresh Rate Locked

TypeLocked

Sub-Type Locked

Dolby Vision Locked

Screen Finish Locked

Recommended in 9 articles:
TCL
48-50 Inch
40-42-43 Inch
6

Our Verdict

TCL Q651G

TCL QM5K

Full comparison details regarding individual product score sets can be found in the section below

Variants

43Q651G (43")
50Q651G (50")
55Q651G (55")
65Q651G (65")
75Q651G (75")
85Q651G (85")
98Q651G (98")

50QM5K (50")
55QM5K (55")
65QM5K (65")
75QM5K (75")
85QM5K (85")

Review

See TCL Q651G Review

See TCL QM5K Review

Check Price

43"

43Q651G

43"

50"

50Q651G

50"

50QM5K

55"

55Q651G

55"

55QM5K

65"

65Q651G

65"

65QM5K

75"

75Q651G

75"

75QM5K

85"

85Q651G

85"

85QM5K

98"

98Q651G

98"

Main Differences for

Mixed Usage

Threshold

0.10

Mixed Usage

5.9

0.0

No major differences between these TVs for mixed usage. See full list of tests below.

Full Comparison

Mixed Usage

5.9

0.0

Home Theater

5.9

0.0

Bright Room

6.3

0.0

Sports

6.0

0.0

Gaming

5.4

0.0

Brightness

5.3

0.0

Black Level

5.4

0.0

Color

6.6

0.0

Processing (In Development)

5.9

0.0

Game Mode Responsiveness

5.5

0.0

Motion Handling (Broken)

5.9

0.0

Brightness

HDR Brightness

5.0

N/A

HDR Hallway Photo

SAMPLE

To see pictures and test results

HDR Cityscape Photo

SAMPLE

To see pictures and test results

HDR Landscape Photo

SAMPLE

To see pictures and test results

Hallway Lights (~1950 cd/m²)

367 cd/m²

Lock cd/m²

Yellow Skyscraper (~700 cd/m²)

291 cd/m²

Lock cd/m²

Landscape Pool (~300 cd/m²)

170 cd/m²

Lock cd/m²

Peak 2% Window

368 cd/m²

Lock cd/m²

Peak 10% Window

367 cd/m²

Lock cd/m²

Peak 25% Window

368 cd/m²

Lock cd/m²

Peak 50% Window

367 cd/m²

Lock cd/m²

Peak 100% Window

367 cd/m²

Lock cd/m²

Sustained 2% Window

367 cd/m²

Lock cd/m²

Sustained 10% Window

367 cd/m²

Lock cd/m²

Sustained 25% Window

367 cd/m²

Lock cd/m²

Sustained 50% Window

367 cd/m²

Lock cd/m²

Sustained 100% Window

366 cd/m²

Lock cd/m²

Automatic Brightness Limiting (ABL)

0.000

Lock

Show Text

HDR Brightness In Game Mode

5.0

N/A

HDR Hallway Photo

SAMPLE

To see pictures and test results

HDR Cityscape Photo

SAMPLE

To see pictures and test results

HDR Landscape Photo

SAMPLE

To see pictures and test results

Hallway Lights (~1950 cd/m²)

367 cd/m²

Lock cd/m²

Yellow Skyscraper (~700 cd/m²)

289 cd/m²

Lock cd/m²

Landscape Pool (~300 cd/m²)

168 cd/m²

Lock cd/m²

Peak 2% Window

373 cd/m²

Lock cd/m²

Peak 10% Window

371 cd/m²

Lock cd/m²

Peak 25% Window

370 cd/m²

Lock cd/m²

Peak 50% Window

369 cd/m²

Lock cd/m²

Peak 100% Window

368 cd/m²

Lock cd/m²

Sustained 2% Window

371 cd/m²

Lock cd/m²

Sustained 10% Window

370 cd/m²

Lock cd/m²

Sustained 25% Window

369 cd/m²

Lock cd/m²

Sustained 50% Window

368 cd/m²

Lock cd/m²

Sustained 100% Window

367 cd/m²

Lock cd/m²

Automatic Brightness Limiting (ABL)

0.001

Lock

Show Text

SDR Brightness

6.1

N/A

Real Scene Peak Brightness

350 cd/m²

Lock cd/m²

Peak 2% Window

374 cd/m²

Lock cd/m²

Peak 10% Window

372 cd/m²

Lock cd/m²

Peak 25% Window

371 cd/m²

Lock cd/m²

Peak 50% Window

370 cd/m²

Lock cd/m²

Peak 100% Window

370 cd/m²

Lock cd/m²

Sustained 2% Window

372 cd/m²

Lock cd/m²

Sustained 10% Window

371 cd/m²

Lock cd/m²

Sustained 25% Window

370 cd/m²

Lock cd/m²

Sustained 50% Window

369 cd/m²

Lock cd/m²

Sustained 100% Window

369 cd/m²

Lock cd/m²

Automatic Brightness Limiting (ABL)

0.001

Lock

Show Text

Black Level

Contrast

5.4

N/A

Contrast Picture

SAMPLE

To see pictures and test results

Contrast

6,647 : 1

Lock : 1

Native Contrast

6,647 : 1

Lock : 1

Show Text

Lighting Zone Precision

0.0

N/A

Lighting Zone Precision Picture

SAMPLE

To see pictures and test results

Show Text

Lighting Zone Transitions

0.0

N/A

Preferred LD Video, Moving Object

SAMPLE

To see product videos

Local Dimming

Locked

Backlight

Direct

Locked

Dimming Zone Count Of The Tested TV

N/A

Lock

Show Text

Contrast And Dark Details In Game Mode

4.5

N/A

Lighting Zone Precision Photo In Game Mode

SAMPLE

To see pictures and test results

Preferred LD Video, Moving Object In Game Mode

SAMPLE

To see product videos

Game Transitions With VRR And Preferred LD

SAMPLE

To see product videos

Show Text

Black Uniformity

9.0

N/A

Black Uniformity Picture With Preferred Local Dimming

SAMPLE

To see pictures and test results

Std. Dev.

N/A

Lock%

Native Black Uniformity Picture

SAMPLE

To see pictures and test results

Native Std. Dev.

0.419%

Lock%

Show Text

Color

SDR Color Volume

6.6

N/A

DCI-P3 Gamut Rings

SAMPLE

To see pictures and test results

CIELAB DCI-P3 Coverage

83.01%

Lock%

BT.2020 Gamut Rings

SAMPLE

To see pictures and test results

CIELAB BT.2020 Coverage

56.48%

Lock%

Show Text

HDR Color Volume

6.3

N/A

P3 Color Volume ITP Picture

SAMPLE

To see pictures and test results

1,000 cd/m² DCI P3 Coverage ITP

58.3%

Lock%

2020 Color Volume ITP Picture

SAMPLE

To see pictures and test results

10,000 cd/m² BT.2020 Coverage ITP

26.3%

Lock%

White Luminance

367 cd/m²

Lock cd/m²

Red Luminance

77 cd/m²

Lock cd/m²

Green Luminance

263 cd/m²

Lock cd/m²

Blue Luminance

26 cd/m²

Lock cd/m²

Cyan Luminance

289 cd/m²

Lock cd/m²

Magenta Luminance

103 cd/m²

Lock cd/m²

Yellow Luminance

339 cd/m²

Lock cd/m²

Show Text

SDR Pre-Calibration Color Accuracy

8.3

N/A

Pre White Balance Picture

SAMPLE

To see pictures and test results

Pre Gamma Curve Picture

SAMPLE

To see pictures and test results

Pre Color Picture

SAMPLE

To see pictures and test results

White Balance dE 2000

3.31

Lock

Color dE 2000

1.96

Lock

Gamma

2.25

Lock

Color Temperature

6,473 K

Lock K

Picture Mode

Movie

Locked

Color Temp Setting

Warm -5

Locked

Gamma Setting

2.2

Locked

Show Text

SDR Post-Calibration Color Accuracy

9.4

N/A

Post White Balance Picture

SAMPLE

To see pictures and test results

Post Gamma Curve Picture

SAMPLE

To see pictures and test results

Post Color Picture

SAMPLE

To see pictures and test results

White Balance dE 2000

0.45

Lock

Color dE 2000

1.26

Lock

Gamma

2.15

Lock

Color Temperature

6,501 K

Lock K

White Balance Calibration

20 point

Locked

Color Calibration

Yes

Locked

Show Text

HDR Pre-Calibration Color Accuracy

5.9

N/A

HDR Pre White Balance Picture

SAMPLE

To see pictures and test results

HDR Pre Color Picture

SAMPLE

To see pictures and test results

White Balance dE ITP

13.19

Lock

Color dE ITP

11.2

Lock

Color Temperature

7,633 K

Lock K

Picture Mode

Movie

Locked

Show Text

HDR Post-Calibration Color Accuracy

7.2

N/A

HDR Post White Balance Picture

SAMPLE

To see pictures and test results

HDR Post Color Picture

SAMPLE

To see pictures and test results

White Balance dE ITP

10.66

Lock

Color dE ITP

9.80

Lock

Color Temperature

6,804 K

Lock K

Show Text

Processing

PQ EOTF Tracking

5.6

N/A

PQ EOTF Graph

SAMPLE

To see pictures and test results

600 Nit Tracking Delta

0.0139

Lock

1000 Nit Tracking Delta

0.0139

Lock

4000 Nit Tracking Delta

0.0139

Lock

Show Text

Low-Quality Content Smoothing

6.0

N/A

Low-Quality Content Smoothing Picture

SAMPLE

To see pictures and test results

Smoothing

5.5

0.0

Detail Preservation

7.0

0.0

Show Text

Upscaling: Sharpness Processing

5.5

N/A

Sharpness Picture - 480p

SAMPLE

To see pictures and test results

Show Text

HDR Native Gradient

7.0

N/A

HDR Gradient Picture

SAMPLE

To see pictures and test results

100% Black To 50% Gray

4.0

0.0

50% Gray To 100% White

8.0

0.0

100% Black To 50% Red

6.0

0.0

50% Red To 100% Red

8.0

0.0

100% Black To 50% Green

6.0

0.0

50% Green To 100% Green

8.0

0.0

100% Black To 50% Blue

8.0

0.0

50% Blue To 100% Blue

8.0

0.0

Show Text

Game Mode Responsiveness

Input Lag

8.3

N/A

1080p @ 60Hz

10.4 ms

Lock ms

1080p @ 60Hz Outside Game Mode

161.4 ms

Lock ms

1080p @ 120Hz

6.2 ms

Lock ms

1080p @ Max Refresh Rate

6.2 ms

Lock ms

4k @ 60Hz

10.2 ms

Lock ms

4k @ 60Hz @ 4:4:4

10.7 ms

Lock ms

4k @ 60Hz Outside Game Mode

160.6 ms

Lock ms

4k @ 60Hz With Interpolation

160.6 ms

Lock ms

4k @ 120Hz

N/A

4k @ Max Refresh Rate

10.2 ms

Lock ms

8k @ 60Hz

N/A

Show Text

Supported Resolutions

7.2

N/A

Resolution

Locked

480p @ 59.94Hz (Widescreen)

Yes

Locked

720p @ 59.94Hz

Yes

Locked

1080p @ 60Hz @ 4:4:4

Yes

Locked

1080p @ 120Hz

Yes

Locked

1080p Maximum Refresh Rate

120 Hz

Lock Hz

4k @ 60Hz

Yes

Locked

4k @ 60Hz @ 4:4:4

Yes

Locked

4k @ 120Hz

Locked

4k @ 120Hz @ 4:4:4

Locked

4k Maximum Refresh Rate

60 Hz

Lock Hz

8k @ 30Hz Or 24Hz

Locked

8k @ 60Hz

Locked

Show Text

Variable Refresh Rate

6.4

N/A

Native Refresh Rate

60Hz

Locked

Variable Refresh Rate

Yes

Locked

HDMI Forum VRR

Yes

Locked

FreeSync

Yes

Locked

G-SYNC Compatible

Yes

Locked

4k VRR Maximum

60 Hz

Lock Hz

4k VRR Minimum

48 Hz

Locked

1080p VRR Maximum

120 Hz

Lock Hz

1080p VRR Minimum

< 20 Hz

Locked

VRR + Local Dimming

No Local Dimming

Locked

Show Text

CAD In Game Mode @ Max Refresh Rate

2.2

N/A

Pursuit Photo Max Refresh

SAMPLE

To see pictures and test results

CAD Heatmap Max Refresh

SAMPLE

To see pictures and test results

Transition At Max Refresh

0 to 31

Cycle through frames

Get Insider Accessfor multiple image controls

Avg. CAD

590

Lock

Best 10% CAD

188

Lock

Worst 10% CAD

909

Lock

Show Text

CAD In Game Mode @ 120Hz

0.0

N/A

Pursuit Photo 120Hz

SAMPLE

To see pictures and test results

CAD Heatmap 120Hz

SAMPLE

To see pictures and test results

Transition At 120Hz

Get Insider Accessfor multiple image controls

Avg. CAD

N/A

Best 10% CAD

N/A

Worst 10% CAD

N/A

Show Text

CAD In Game Mode @ 60Hz

2.2

N/A

Pursuit Photo 60Hz

SAMPLE

To see pictures and test results

CAD Heatmap 60Hz

SAMPLE

To see pictures and test results

Transition 60Hz

0 to 31

Cycle through frames

Get Insider Accessfor multiple image controls

Avg. CAD

590

Lock

Best 10% CAD

188

Lock

Worst 10% CAD

909

Lock

Show Text

PS5 Compatibility

PS5 Screenshot

SAMPLE

To see pictures and test results

Auto Low Latency Mode (ALLM)

Yes

Locked

4k @ 120Hz

Locked

1440p @ 120Hz

Yes

Locked

1080p @ 120Hz

Yes

Locked

HDR

Yes

Locked

VRR

Yes

Locked

Show Text

Xbox Series X|S Compatibility

Xbox Series X Screenshot

SAMPLE

To see pictures and test results

Auto Low Latency Mode (ALLM)

Yes

Locked

4k @ 120Hz

Locked

1440p @ 120Hz

Yes

Locked

1080p @ 120Hz

Yes

Locked

HDR

Yes

Locked

VRR

Yes

Locked

Show Text

Motion Handling

Stutter

8.8

N/A

Frame Hold Time @ 24 fps

15.9 ms

Lock ms

Frame Hold Time @ 60 fps

0.0 ms

Lock ms

Show Text

24p Judder

N/A

Judder-Free 24p

Yes

Locked

Judder-Free 24p via 60p

Yes

Locked

Judder-Free 24p via 60i

Yes

Locked

Judder-Free 24p via Native Apps

Yes

Locked

Show Text

Response Time

4.9

N/A

Pursuit Photo 60Hz

SAMPLE

To see pictures and test results

Response Time Heatmap 60Hz

SAMPLE

To see pictures and test results

Transition At 60Hz

0 to 31

Cycle through frames

Get Insider Accessfor multiple image controls

First Response Time

25.8 ms

Lock ms

Total Response Time

7.0 ms

Lock ms

Worst 10% Response Time

37.0 ms

Lock ms

Show Text

Flicker

Backlight chart

SAMPLE

To see pictures and test results

Flicker-Free

Locked

PWM Dimming Frequency

150 Hz

Lock Hz

Show Text

Black Frame Insertion (BFI)

BFI Picture

SAMPLE

To see pictures and test results

BFI Frequency Picture

SAMPLE

To see pictures and test results

Optional BFI

Locked

Min Flicker For 60 fps

150 Hz

N/A

60Hz For 60 fps

Locked

120Hz For 120 fps

Locked

Min Flicker For 60 fps In Game Mode

150 Hz

N/A

Show Text

Motion Interpolation

Motion Interpolation (30 fps) Picture

SAMPLE

To see pictures and test results

Motion Interpolation (30 fps)

Yes

Locked

Motion Interpolation (60 fps) Picture

SAMPLE

To see pictures and test results

Motion Interpolation (60 fps)

Locked

Show Text

Reflections

Direct Reflections

5.8

N/A

Ring Light Picture

SAMPLE

To see pictures and test results

Direct Reflections Graph

SAMPLE

To see pictures and test results

Peak Direct Reflection Intensity

57.9%

Lock%

Screen Finish

Glossy

Locked

Show Text

Ambient Black Level Raise

9.0

N/A

Black Level Raise Picture

SAMPLE

To see pictures and test results

Bright Room Black Level Raise Graph

SAMPLE

To see pictures and test results

Black Luminance @ 0 lx

0.06 cd/m²

Lock cd/m²

Black Luminance @ 1000 lx

0.39 cd/m²

Lock cd/m²

Show Text

Total Reflected Light

5.7

N/A

Bright Room Off Picture

SAMPLE

To see pictures and test results

Ring Picture Total Reflection

SAMPLE

To see pictures and test results

Total Reflected Light Intensity

29,136% ⋅ pixel

Lock% ⋅ pixel

Diffraction Artifacts

Yes

Locked

Show Text

Ambient Color Saturation

6.8

N/A

Bright Room Color Volume Graph

SAMPLE

To see pictures and test results

Low-Luminance Colors @ 1000 lx

59.32%

Lock%

Mid-Luminance Colors @ 1000 lx

56.66%

Lock%

High-Luminance Colors @ 1000 lx

45.53%

Lock%

Show Text

Panel

Viewing Angle

6.4

N/A

Viewing Angle Video

SAMPLE

To see product videos

Chroma Graph

SAMPLE

To see pictures and test results

Color Washout

26°

Lock°

Hue Graph

SAMPLE

To see pictures and test results

Color Shift

34°

Lock°

Lightness Graph

SAMPLE

To see pictures and test results

Brightness Loss

29°

Lock°

Black Level Raise

21°

Lock°

Gamma Shift

20°

Lock°

Show Text

Gray Uniformity

5.6

N/A

50% Uniformity Picture

SAMPLE

To see pictures and test results

50% Std. Dev.

5.450%

Lock%

50% DSE

0.208%

Lock%

5% Uniformity Picture

SAMPLE

To see pictures and test results

5% Std. Dev.

0.575%

Lock%

5% DSE

0.106%

Lock%

Show Text

Panel Technology

Spectral Power Distribution

SAMPLE

To see pictures and test results

Pixels Picture

SAMPLE

To see pictures and test results

Type

LED

Locked

Sub-Type

Locked

Subpixel Layout

BGR

Locked

Show Text

Inputs

Input Specifications

Side Inputs Picture

SAMPLE

To see pictures and test results

Rear Inputs Picture

SAMPLE

To see pictures and test results

HDMI

3 (3x HDMI 2.0)

Locked

HDMI 2.1 Rated Speed

No HDMI 2.1

Locked

ATSC Tuner

1.0

Locked

USB Ports

Locked

USB 3.0

Locked

Audio Out 3.5mm

Locked

Wi-Fi

Yes (2.4 GHz, 5 GHz)

Locked

Ethernet Speed

100 Mbps

Locked

Composite In

1 (Adapter Required, Not Incl.)

Locked

Digital Optical Audio Out

Locked

Show Text

Audio Passthrough

ARC/eARC Port

eARC

Locked

eARC: Dolby Atmos Over Dolby Digital Plus

Yes

Locked

eARC: Dolby Digital Plus 7.1

Yes

Locked

eARC: LPCM 7.1 Over Dolby MAT

Yes

Locked

eARC: Dolby TrueHD 7.1

Yes

Locked

eARC: DTS:X Over DTS-HD MA

Yes

Locked

eARC: DTS-HD Master Audio 7.1

Yes

Locked

eARC: LPCM Channels (Bitstream)

7.1

Locked

ARC: Dolby Digital 5.1

Yes

Locked

ARC: DTS 5.1

Yes

Locked

Optical: Dolby Digital 5.1

Yes

Locked

Optical: DTS 5.1

Yes

Locked

Show Text

HDR Format Support

HDR10

Yes

Locked

HDR10+

Yes

Locked

Dolby Vision

Yes

Locked

HLG

Yes

Locked

Design

Style

Design Picture

SAMPLE

To see pictures and test results

Curved

Locked

Show Text

Stand

Stand Picture

SAMPLE

To see pictures and test results

Show Text

Back

Back Picture

SAMPLE

To see pictures and test results

Wall Mount

VESA 400x400

Locked

Show Text

Borders

Borders Picture

SAMPLE

To see pictures and test results

Borders

0.31" (0.8 cm)

Lock" (Lock cm)

Thickness

Thickness Picture

SAMPLE

To see pictures and test results

Max Thickness

2.83" (7.2 cm)

Lock" (Lock cm)

Build Quality

7.0

N/A

Build quality picture

SAMPLE

To see pictures and test results

Show Text

Smart Features

Interface

Smart TV Picture

SAMPLE

To see pictures and test results

Smart OS

Google TV

Locked

Version

Locked

Ad-Free

0.0

N/A

Ads Picture

SAMPLE

To see pictures and test results

Yes

Locked

Opt-out

Locked

Opt-out of Suggested Content

Locked

Show Text

Remote

Remote Picture

SAMPLE

To see pictures and test results

Voice Control

Yes

Locked

Show Text

TV Controls

Controls Picture

SAMPLE

To see pictures and test results

Mute Switch

Locked

Show Text

In The Box

In The Box Picture

SAMPLE

To see pictures and test results

Show Text

Misc

Power Consumption

52 W

Lock W

Power Consumption (Max)

191 W

Lock W

Firmware

V8-R75PT01-LF1V174.000660

Locked

Sound Quality

Frequency Response

6.8

N/A

Frequency Response

SAMPLE

To see pictures and test results

Low-Frequency Extension

113.14 Hz

Lock Hz

Std. Dev. @ 70

4.24 dB

Lock dB

Std. Dev. @ 80

4.26 dB

Lock dB

Std. Dev. @ Max

5.33 dB

Lock dB

Max

95.0 dB SPL

Lock dB SPL

Dynamic Range Compression

2.79 dB

Lock dB

Digital Room Correction

Locked

Show Text

Check Price

43"

43Q651G

43"

50"

50Q651G

50"

50QM5K

55"

55Q651G

55"

55QM5K

65"

65Q651G

65"

65QM5K

75"

75Q651G

75"

75QM5K

85"

85Q651G

85"

85QM5K

98"

98Q651G