TCL QM6K vs TCL QM8K

Side-by-Side Comparison

Products

TCL QM6K
TCL QM8K

Tested using Methodology v2.0.1

Updated Nov 12, 2025 08:04 PM

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BestBuy.com

Tested using Methodology v2.1

Updated Oct 21, 2025 08:18 PM

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BestBuy.com
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Our Verdict

TCL QM6K

TCL QM8K

The TCL QM8K is a significant step up over the TCL QM6K. The QM8K is significantly brighter, so it delivers a far more impactful HDR experience, and it can handle more glare in a bright room. It has much better color reproduction as well, with brighter, more vivid colors. The QM6K is slightly more accurate out of the box, but this varies between individual units.

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Variants

  • 55QM6K (55")
  • 65QM6K (65")
  • 75QM6K (75")
  • 85QM6K (85")
  • 98QM6K (98")
  • 65QM8K (65")
  • 75QM8K (75")
  • 85QM8K (85")
  • 98QM8K (98")

Check Price

55"
 
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Main Differences for
Mixed Usage

Threshold 

0.10

Mixed Usage 

7.1
8.4

HDR Brightness 
 

6.0
9.1

SDR Brightness 
 

7.5
9.1

Contrast 
 

8.1
9.3

Black Uniformity 
 

7.5
9.4

HDR Color Volume 
 

6.9
9.0

Full Comparison

Brightness

HDR Brightness 
 

6.0
9.1

HDR Hallway Photo  

HDR Cityscape Photo  

HDR Landscape Photo  

Hallway Lights (~1950 cd/m²) 
 

409 cd/m²
961 cd/m²

Yellow Skyscraper (~700 cd/m²) 
 

276 cd/m²
651 cd/m²

Landscape Pool (~300 cd/m²) 
 

198 cd/m²
395 cd/m²

Peak 2% Window 
 

544 cd/m²
3,431 cd/m²

Peak 10% Window 
 

698 cd/m²
3,605 cd/m²

Peak 25% Window 
 

890 cd/m²
2,467 cd/m²

Peak 50% Window 
 

697 cd/m²
1,438 cd/m²

Peak 100% Window 
 

453 cd/m²
810 cd/m²

Sustained 2% Window 
 

468 cd/m²
1,813 cd/m²

Sustained 10% Window 
 

694 cd/m²
1,725 cd/m²

Sustained 25% Window 
 

752 cd/m²
1,675 cd/m²

Sustained 50% Window 
 

691 cd/m²
1,001 cd/m²

Sustained 100% Window 
 

452 cd/m²
667 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.034
0.055
Show Text 

HDR Brightness In Game Mode 
 

6.0
9.1

HDR Hallway Photo  

HDR Cityscape Photo  

HDR Landscape Photo  

Hallway Lights (~1950 cd/m²) 
 

412 cd/m²
965 cd/m²

Yellow Skyscraper (~700 cd/m²) 
 

246 cd/m²
637 cd/m²

Landscape Pool (~300 cd/m²) 
 

232 cd/m²
375 cd/m²

Peak 2% Window 
 

468 cd/m²
3,610 cd/m²

Peak 10% Window 
 

684 cd/m²
3,516 cd/m²

Peak 25% Window 
 

758 cd/m²
2,166 cd/m²

Peak 50% Window 
 

693 cd/m²
1,246 cd/m²

Peak 100% Window 
 

450 cd/m²
800 cd/m²

Sustained 2% Window 
 

466 cd/m²
1,632 cd/m²

Sustained 10% Window 
 

677 cd/m²
1,673 cd/m²

Sustained 25% Window 
 

744 cd/m²
1,646 cd/m²

Sustained 50% Window 
 

688 cd/m²
982 cd/m²

Sustained 100% Window 
 

450 cd/m²
657 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.033
0.053
Show Text 

SDR Brightness 
 

7.5
9.1

Real Scene Peak Brightness 
 

429 cd/m²
753 cd/m²

Peak 2% Window 
 

513 cd/m²
2,246 cd/m²

Peak 10% Window 
 

642 cd/m²
3,238 cd/m²

Peak 25% Window 
 

814 cd/m²
2,075 cd/m²

Peak 50% Window 
 

646 cd/m²
1,250 cd/m²

Peak 100% Window 
 

418 cd/m²
717 cd/m²

Sustained 2% Window 
 

442 cd/m²
1,506 cd/m²

Sustained 10% Window 
 

635 cd/m²
1,567 cd/m²

Sustained 25% Window 
 

696 cd/m²
1,700 cd/m²

Sustained 50% Window 
 

640 cd/m²
1,084 cd/m²

Sustained 100% Window 
 

418 cd/m²
653 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.031
0.050
Show Text 
Black Level

Contrast 
 

8.1
9.3

Contrast Picture  

Contrast 
 

118,059 : 1
273,200 : 1

Native Contrast 
 

6,471 : 1
6,835 : 1
Show Text 

Lighting Zone Precision 
 

6.5
8.5

Lighting Zone Precision Picture  

Show Text 

Lighting Zone Transitions 
 

7.0
8.5

Preferred LD Video, Moving Object  

Local Dimming 
 

Yes
Yes

Backlight 
 

Full-Array
Full-Array

Dimming Zone Count Of The Tested TV 
 

312
1,680
Show Text 

Contrast And Dark Details In Game Mode 
 

7.0
9.0

Lighting Zone Precision Photo In Game Mode  

Preferred LD Video, Moving Object In Game Mode  

Game Transitions With VRR And Preferred LD  

Show Text 

Black Uniformity 
 

7.5
9.4

Black Uniformity Picture With Preferred Local Dimming  

Std. Dev. 
 

0.972%
0.183%

Native Black Uniformity Picture  

Native Std. Dev. 
 

0.477%
0.438%
Show Text 
Color

SDR Color Volume 
 

6.7
8.0

DCI-P3 Gamut Rings  

CIELAB DCI-P3 Coverage 
 

83.71%
91.98%

BT.2020 Gamut Rings  

CIELAB BT.2020 Coverage 
 

57.93%
71.26%
Show Text 

HDR Color Volume 
 

6.9
9.0

P3 Color Volume ITP Picture  

1,000 cd/m² DCI P3 Coverage ITP 
 

68.2%
86.7%

2020 Color Volume ITP Picture  

10,000 cd/m² BT.2020 Coverage ITP 
 

30.5%
54.7%

White Luminance 
 

477 cd/m²
2,923 cd/m²

Red Luminance 
 

103 cd/m²
394 cd/m²

Green Luminance 
 

343 cd/m²
1,206 cd/m²

Blue Luminance 
 

29 cd/m²
137 cd/m²

Cyan Luminance 
 

374 cd/m²
1,288 cd/m²

Magenta Luminance 
 

119 cd/m²
495 cd/m²

Yellow Luminance 
 

415 cd/m²
1,443 cd/m²
Show Text 

SDR Pre-Calibration Color Accuracy 
 

7.6
6.6

Pre White Balance Picture  

Pre Gamma Curve Picture  

Pre Color Picture  

White Balance dE 2000 
 

4.15
4.54

Color dE 2000 
 

2.42
2.59

Gamma 
 

2.23
2.25

Color Temperature 
 

6,456 K
6,017 K

Picture Mode 
 

Movie
Movie

Color Temp Setting 
 

warm 5
warm 5

Gamma Setting 
 

2,2
2,2
Show Text 

SDR Post-Calibration Color Accuracy 
 

9.5
9.6

Post White Balance Picture  

Post Gamma Curve Picture  

Post Color Picture  

White Balance dE 2000 
 

0.26
0.24

Color dE 2000 
 

1.24
0.72

Gamma 
 

2.20
2.20

Color Temperature 
 

6,492 K
6,544 K

White Balance Calibration 
 

20 point
20 point

Color Calibration 
 

Yes
Yes
Show Text 

HDR Pre-Calibration Color Accuracy 
 

8.3
6.5

HDR Pre White Balance Picture  

HDR Pre Color Picture  

White Balance dE ITP 
 

8.20
15.97

Color dE ITP 
 

6.3
16.2

Color Temperature 
 

6,609 K
6,852 K

Picture Mode 
 

Movie
Movie
Show Text 

HDR Post-Calibration Color Accuracy 
 

9.1
7.5

HDR Post White Balance Picture  

HDR Post Color Picture  

White Balance dE ITP 
 

5.70
13.24

Color dE ITP 
 

4.90
10.60

Color Temperature 
 

6,511 K
6,555 K
Show Text 
Processing

PQ EOTF Tracking 
 

7.8
7.6

PQ EOTF Graph  

See details
See details

600 Nit Tracking Delta 
 

0.0074
0.0062

1000 Nit Tracking Delta 
 

0.0054
0.0064

4000 Nit Tracking Delta 
 

0.0058
0.0064
Show Text 

Low-Quality Content Smoothing 
 

7.0
8.4

Low-Quality Content Smoothing Picture  

Smoothing 
 

7.0
9.0

Detail Preservation 
 

7.0
7.0
Show Text 

Upscaling: Sharpness Processing 
 

6.5
7.5

Sharpness Picture - 480p  

Show Text 

HDR Native Gradient 
 

6.8
7.5

HDR Gradient Picture  

100% Black To 50% Gray  

6.0
6.0

50% Gray To 100% White  

6.0
8.0

100% Black To 50% Red  

6.0
8.0

50% Red To 100% Red  

8.0
10

100% Black To 50% Green  

6.0
8.0

50% Green To 100% Green  

6.0
6.0

100% Black To 50% Blue  

8.0
6.0

50% Blue To 100% Blue  

8.0
8.0
Show Text 
Game Mode Responsiveness

Input Lag 
 

9.0
8.6

1080p @ 60Hz 
 

10.4 ms
14.8 ms

1080p @ 60Hz Outside Game Mode 
 

108.7 ms
117.8 ms

1080p @ 120Hz 
 

5.6 ms
5.3 ms

1080p @ Max Refresh Rate 
 

3.1 ms
3.2 ms

4k @ 60Hz 
 

10.2 ms
14.1 ms

4k @ 60Hz @ 4:4:4 
 

9.9 ms
14.1 ms

4k @ 60Hz Outside Game Mode 
 

108.0 ms
108.6 ms

4k @ 60Hz With Interpolation 
 

128.8 ms
23.1 ms

4k @ 120Hz 
 

5.5 ms
5.3 ms

4k @ Max Refresh Rate 
 

4.7 ms
5.1 ms

8k @ 60Hz 
 

N/A
N/A
Show Text 

Supported Resolutions 
 

9.5
9.5

Resolution  

4k
4k

480p @ 59.94Hz (Widescreen) 
 

Yes
Yes

720p @ 59.94Hz 
 

Yes
Yes

1080p @ 60Hz @ 4:4:4 
 

Yes
Yes

1080p @ 120Hz 
 

Yes
Yes

1080p Maximum Refresh Rate 
 

288 Hz
288 Hz

4k @ 60Hz 
 

Yes
Yes

4k @ 60Hz @ 4:4:4 
 

Yes
Yes

4k @ 120Hz 
 

Yes
Yes

4k @ 120Hz @ 4:4:4 
 

Yes
Yes

4k Maximum Refresh Rate 
 

144 Hz
144 Hz

8k @ 30Hz Or 24Hz 
 

No
No

8k @ 60Hz 
 

No
No
Show Text 

Variable Refresh Rate 
 

8.8
8.8

Native Refresh Rate 
 

144Hz
144Hz

Variable Refresh Rate 
 

Yes
Yes

HDMI Forum VRR 
 

Yes
Yes

FreeSync 
 

Yes
Yes

G-SYNC Compatible 
 

Yes
Yes

4k VRR Maximum 
 

144 Hz
144 Hz

4k VRR Minimum 
 

< 20 Hz
< 20 Hz

1080p VRR Maximum 
 

288 Hz
288 Hz

1080p VRR Minimum 
 

< 20 Hz
< 20 Hz

VRR + Local Dimming  

Yes
Yes
Show Text 

CAD In Game Mode @ Max Refresh Rate 
 

7.1
7.1

Pursuit Photo Max Refresh  

CAD Heatmap Max Refresh 
 

Transition At Max Refresh 
 

transition-game-max-0-31
0 to 31
transition-game-max-0-31
0 to 31

Avg. CAD 
 

201
196

Best 10% CAD 
 

101
59

Worst 10% CAD 
 

307
397
Show Text 

CAD In Game Mode @ 120Hz 
 

6.9
7.1

Pursuit Photo 120Hz  

CAD Heatmap 120Hz  

Transition At 120Hz 
 

transition-game-120-0-31
0 to 31
transition-game-120-0-31
0 to 31

Avg. CAD 
 

214
202

Best 10% CAD 
 

102
64

Worst 10% CAD 
 

329
390
Show Text 

CAD In Game Mode @ 60Hz 
 

6.3
7.0

Pursuit Photo 60Hz  

CAD Heatmap 60Hz 
 

Transition 60Hz 
 

transition-game-60-0-31
0 to 31
transition-game-60-0-31
0 to 31

Avg. CAD 
 

273
214

Best 10% CAD 
 

96
51

Worst 10% CAD 
 

442
405
Show Text 

PS5 Compatibility 
 

PS5 Screenshot  

Auto Low Latency Mode (ALLM) 
 

Yes
Yes

4k @ 120Hz 
 

Yes
Yes

1440p @ 120Hz 
 

Yes
Yes

1080p @ 120Hz 
 

Yes
Yes

HDR 
 

Yes
Yes

VRR 
 

Yes
Yes
Show Text 

Xbox Series X|S Compatibility 
 

Xbox Series X Screenshot  

Auto Low Latency Mode (ALLM) 
 

Yes
Yes

4k @ 120Hz 
 

Yes
Yes

1440p @ 120Hz 
 

Yes
Yes

1080p @ 120Hz 
 

Yes
Yes

HDR 
 

Yes
Yes

VRR 
 

Yes
Yes
Show Text 
Motion Handling

Response Time Stutter 
 

7.5
6.9

Frame Hold Time @ 24 fps 
 

30.2 ms
33.5 ms

Frame Hold Time @ 60 fps 
 

5.5 ms
8.5 ms
Show Text 

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 
 

No

Micro Judder-Free 24p via Native Apps 
 

Yes

Micro Judder-Free 25p via Native Apps 
 

Yes
Show Text 

Judder 
 

10
9.6

Judder Video Picture  

Judder 24p 
 

10

Judder 25p 
 

10

Judder 24p via 60p 
 

10

Judder 25p via 60p 
 

8.0

Judder 24p via 60i 
 

10

Judder 24p via Native Apps 
 

10

Judder 25p via Native Apps 
 

10

Judder-Free 24p 
 

Yes

Judder-Free 24p via 60p 
 

Yes

Judder-Free 24p via 60i 
 

Yes

Judder-Free 24p via Native Apps 
 

Yes
Show Text 

Response Time 
 

6.8
7.9

Pursuit Photo 60Hz  

Response Time Heatmap 60Hz 
 

Transition At 60Hz 
 

transition-60-0-31
0 to 31
transition-60-0-31
0 to 31

First Response Time 
 

11.2 ms
8.2 ms

Total Response Time 
 

11.5 ms
8.4 ms

Worst 10% Response Time 
 

24.4 ms
19.2 ms
Show Text 

Flicker 
 

Backlight chart 
 

Flicker-Free 
 

No
No

PWM Dimming Frequency 
 

10,400 Hz
15,400 Hz
Show Text 

Black Frame Insertion (BFI) 
 

BFI Picture  

BFI Frequency Picture  

Optional BFI 
 

Yes
Yes

Min Flicker For 60 fps 
 

60 Hz
60 Hz

60Hz For 60 fps 
 

Yes
Yes

120Hz For 120 fps 
 

Yes
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 
Reflections

Direct Reflections 
 

5.2
6.8

Ring Light Picture  

Direct Reflections Graph  

See details
See details

Peak Direct Reflection Intensity 
 

67.5%
37.2%

Screen Finish 
 

Glossy
Glossy
Show Text 

Ambient Black Level Raise 
 

9.0
8.7

Black Level Raise Picture  

Bright Room Black Level Raise Graph  

See details
See details

Black Luminance @ 0 lx 
 

0.00 cd/m²
0.00 cd/m²

Black Luminance @ 1000 lx 
 

0.43 cd/m²
0.59 cd/m²
Show Text 

Total Reflected Light 
 

6.6
8.1

Bright Room Off Picture  

Ring Picture Total Reflection  

Total Reflected Light Intensity 
 

22,862% ⋅ pixel
10,099% ⋅ pixel

Diffraction Artifacts 
 

Yes
Yes
Show Text 

Ambient Color Saturation 
 

6.9
8.4

Bright Room Color Volume Graph  

See details
See details

Low-Luminance Colors @ 1000 lx 
 

62.27%
72.42%

Mid-Luminance Colors @ 1000 lx 
 

54.81%
69.35%

High-Luminance Colors @ 1000 lx 
 

39.71%
57.52%
Show Text 
Panel

Viewing Angle 
 

6.4
6.4

Viewing Angle Video  

Chroma Graph  

Color Washout 
 

32°
28°

Hue Graph  

Color Shift 
 

47°
52°

Lightness Graph  

Brightness Loss 
 

31°
29°

Black Level Raise 
 

19°
12°

Gamma Shift 
 

16°
22°
Show Text 

Gray Uniformity 
 

6.6
7.4

50% Uniformity Picture  

50% Std. Dev. 
 

2.416%
2.505%

50% DSE 
 

0.189%
0.172%

5% Uniformity Picture  

5% Std. Dev. 
 

1.186%
0.286%

5% DSE 
 

0.098%
0.065%
Show Text 

Panel Technology 
 

Spectral Power Distribution  

Pixels Picture  

Type  

LED
LED

Sub-Type 
 

VA
VA

Subpixel Layout 
 

BGR
RGB
Show Text 
Inputs

Input Specifications  

Side Inputs Picture  

Rear Inputs Picture  

HDMI  

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

HDMI 2.1 Rated Speed 
 

48 Gbps
48 Gbps

ATSC Tuner 
 

1.0
3.0 (NEXTGEN TV)

USB Ports  

2
2

USB 3.0 
 

Yes (1)
Yes (1)

Audio Out 3.5mm  

0
0

Wi-Fi  

Yes (2.4 GHz, 5 GHz)
Yes (2.4 GHz, 5 GHz)

Ethernet Speed  

100 Mbps
100 Mbps

Composite In  

0
0

Digital Optical Audio Out  

1
1
Show Text 

Audio Passthrough 
 

ARC/eARC Port 
 

eARC
eARC

eARC: Dolby Atmos Over Dolby Digital Plus 
 

Yes
Yes

eARC: Dolby Digital Plus 7.1 
 

Yes
Yes

eARC: LPCM 7.1 Over Dolby MAT 
 

Yes
Yes

eARC: Dolby TrueHD 7.1 
 

Yes
Yes

eARC: DTS:X Over DTS-HD MA 
 

Yes
Yes

eARC: DTS-HD Master Audio 7.1 
 

Yes
Yes

eARC: LPCM Channels (Bitstream) 
 

7.1
7.1

ARC: Dolby Digital 5.1 
 

Yes
Yes

ARC: DTS 5.1 
 

Yes
Yes

Optical: Dolby Digital 5.1 
 

Yes
Yes

Optical: DTS 5.1 
 

Yes
Yes
Show Text 

HDR Format Support  

HDR10 
 

Yes
Yes

HDR10+ 
 

Yes
Yes

Dolby Vision 
 

Yes
Yes

HLG 
 

Yes
Yes
Design

Style  

Design Picture  

Curved  

No
No
Show Text 

Stand  

Stand Picture  

Show Text 

Back  

Back Picture  

Wall Mount  

VESA 300x300
VESA 300x300
Show Text 

Borders  

Borders Picture  

Borders  

0.47" (1.2 cm)
0.12" (0.3 cm)

Thickness  

Thickness Picture  

Max Thickness  

2.24" (5.7 cm)
2.01" (5.1 cm)

Build Quality 
 

7.0
8.5

Build quality picture  

Show Text 
Smart Features

Interface 
 

Smart TV Picture  

Smart OS  

Google TV
Google TV

Version  

12
12
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 

Remote  

Remote Picture  

Voice Control  

Yes
Yes
Show Text 

TV Controls  

Controls Picture  

Mute Switch 
 

Yes
Yes
Show Text 

In The Box  

In The Box Picture  

Show Text 

Misc  

Power Consumption  

51 W
59 W

Power Consumption (Max)  

187 W
248 W

Firmware  

V8-001202-LF139.001386
V8-0012T02-LF1V230
Sound Quality

Frequency Response 
 

6.5
6.7

Frequency Response  

See details
See details

Low-Frequency Extension 
 

100.79 Hz
106.79 Hz

Std. Dev. @ 70 
 

2.72 dB
3.11 dB

Std. Dev. @ 80 
 

3.21 dB
2.95 dB

Std. Dev. @ Max 
 

5.33 dB
4.42 dB

Max 
 

85.3 dB SPL
85.6 dB SPL

Dynamic Range Compression 
 

4.27 dB
3.12 dB

Digital Room Correction  

Yes
No
Show Text 

Check Price

55"
 

TCL QM6K

TCL QM8K

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  1. Comparison

TCL QM6K vs TCL QM8K: Main Discussion

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