TCL Q651G vs QM5K

Which TV Is Better?

Products

TCL Q651G
TCL QM5K

Tested using Methodology v2.0.1

Updated Nov 18, 2025 06:50 PM

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Tested using Methodology v2.0.1

Updated Dec 15, 2025 02:42 PM

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  1. Recommended in 4 articles:
  2. TCL
  3. 48-50 Inch
  4. Outdoor
  5. 1

Our Verdict

TCL Q651G

TCL QM5K

The TCL QM5K is a lot better than the TCL Q651G. The QM5K is brighter in both SDR and HDR, so it can handle more glare in a bright room, and HDR stands out a bit better. Unlike the Q651G, the QM5K features a Mini LED local dimming feature. Even though it's not perfect, it still delivers much deeper, more uniform blacks, and it looks better in a dark room.

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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")

Check Price

43"
43Q651G
SEE PRICE
BestBuy.com
43"
 
98"
98Q651G
SEE PRICE
BestBuy.com
98"
 

Main Differences for
Mixed Usage

Threshold 

0.10

Mixed Usage 
 

5.9
7.0

HDR Brightness 
 

5.0
6.2

Lighting Zone Precision 
 

0.0
6.0

Contrast 
 

5.4
7.8

SDR Brightness 
 

6.1
7.9

Full Comparison

Brightness

HDR Brightness 
 

5.0
6.2

HDR Hallway Photo 
 

Compare High-Res
TCL Q651G HDR Hallway Photo
Compare High-Res
TCL QM5K HDR Hallway Photo

HDR Cityscape Photo 
 

Compare High-Res
TCL Q651G HDR Cityscape Photo
Compare High-Res
TCL QM5K HDR Cityscape Photo

HDR Landscape Photo 
 

Compare High-Res
TCL Q651G HDR Landscape Photo
Compare High-Res
TCL QM5K HDR Landscape Photo

Hallway Lights (~1950 cd/m²) 
 

367 cd/m²
489 cd/m²

Yellow Skyscraper (~700 cd/m²) 
 

291 cd/m²
291 cd/m²

Landscape Pool (~300 cd/m²) 
 

170 cd/m²
209 cd/m²

Peak 2% Window 
 

368 cd/m²
484 cd/m²

Peak 10% Window 
 

367 cd/m²
660 cd/m²

Peak 25% Window 
 

368 cd/m²
890 cd/m²

Peak 50% Window 
 

367 cd/m²
679 cd/m²

Peak 100% Window 
 

367 cd/m²
455 cd/m²

Sustained 2% Window 
 

367 cd/m²
414 cd/m²

Sustained 10% Window 
 

367 cd/m²
644 cd/m²

Sustained 25% Window 
 

367 cd/m²
761 cd/m²

Sustained 50% Window 
 

367 cd/m²
614 cd/m²

Sustained 100% Window 
 

366 cd/m²
455 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.000
0.035
Show Text 

HDR Brightness In Game Mode 
 

5.0
4.5

HDR Hallway Photo 
 

Compare High-Res
TCL Q651G HDR Hallway Photo
Compare High-Res
TCL QM5K HDR Hallway Photo

HDR Cityscape Photo 
 

Compare High-Res
TCL Q651G HDR Cityscape Photo
Compare High-Res
TCL QM5K HDR Cityscape Photo

HDR Landscape Photo 
 

Compare High-Res
TCL Q651G HDR Landscape Photo
Compare High-Res
TCL QM5K HDR Landscape Photo

Hallway Lights (~1950 cd/m²) 
 

367 cd/m²
370 cd/m²

Yellow Skyscraper (~700 cd/m²) 
 

289 cd/m²
166 cd/m²

Landscape Pool (~300 cd/m²) 
 

168 cd/m²
153 cd/m²

Peak 2% Window 
 

373 cd/m²
262 cd/m²

Peak 10% Window 
 

371 cd/m²
395 cd/m²

Peak 25% Window 
 

370 cd/m²
454 cd/m²

Peak 50% Window 
 

369 cd/m²
487 cd/m²

Peak 100% Window 
 

368 cd/m²
476 cd/m²

Sustained 2% Window 
 

371 cd/m²
261 cd/m²

Sustained 10% Window 
 

370 cd/m²
394 cd/m²

Sustained 25% Window 
 

369 cd/m²
453 cd/m²

Sustained 50% Window 
 

368 cd/m²
486 cd/m²

Sustained 100% Window 
 

367 cd/m²
474 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.001
0.038
Show Text 

SDR Brightness 
 

6.1
7.9

Real Scene Peak Brightness 
 

350 cd/m²
491 cd/m²

Peak 2% Window 
 

374 cd/m²
522 cd/m²

Peak 10% Window 
 

372 cd/m²
676 cd/m²

Peak 25% Window 
 

371 cd/m²
889 cd/m²

Peak 50% Window 
 

370 cd/m²
656 cd/m²

Peak 100% Window 
 

370 cd/m²
457 cd/m²

Sustained 2% Window 
 

372 cd/m²
447 cd/m²

Sustained 10% Window 
 

371 cd/m²
660 cd/m²

Sustained 25% Window 
 

370 cd/m²
763 cd/m²

Sustained 50% Window 
 

369 cd/m²
621 cd/m²

Sustained 100% Window 
 

369 cd/m²
456 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.001
0.033
Show Text 
Black Level

Contrast 
 

5.4
7.8

Contrast Picture 
 

Compare High-Res
TCL Q651G Contrast Picture
Compare High-Res
TCL QM5K Contrast Picture

Contrast 
 

6,647 : 1
96,178 : 1

Native Contrast 
 

6,647 : 1
5,628 : 1
Show Text 

Lighting Zone Precision 
 

0.0
6.0

Lighting Zone Precision Picture 
 

Compare High-Res
TCL Q651G Lighting Zone Precision Picture
Compare High-Res
TCL QM5K Lighting Zone Precision Picture
Show Text 

Lighting Zone Transitions 
 

0.0
6.0

Preferred LD Video, Moving Object  

Local Dimming 
 

No
Yes

Backlight 
 

Direct
Full-Array

Dimming Zone Count Of The Tested TV 
 

N/A
312
Show Text 

Contrast And Dark Details In Game Mode 
 

4.5
7.0

Lighting Zone Precision Photo In Game Mode 
 

Compare High-Res
TCL Q651G Lighting Zone Precision Photo In Game Mode
Compare High-Res
TCL QM5K 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 
 

9.0
8.2

Black Uniformity Picture With Preferred Local Dimming 
 

Compare High-Res
TCL Q651G Black Uniformity Picture With Preferred Local Dimming
Compare High-Res
TCL QM5K Black Uniformity Picture With Preferred Local Dimming

Std. Dev. 
 

N/A
0.285%

Native Black Uniformity Picture 
 

Compare High-Res
TCL Q651G Native Black Uniformity Picture
Compare High-Res
TCL QM5K Native Black Uniformity Picture

Native Std. Dev. 
 

0.419%
1.034%
Show Text 
Color

SDR Color Volume 
 

6.6
6.5

DCI-P3 Gamut Rings 
 

Compare High-Res
TCL Q651G DCI-P3 Gamut Rings
Compare High-Res
TCL QM5K DCI-P3 Gamut Rings

CIELAB DCI-P3 Coverage 
 

83.01%
81.85%

BT.2020 Gamut Rings 
 

Compare High-Res
TCL Q651G BT.2020 Gamut Rings
Compare High-Res
TCL QM5K BT.2020 Gamut Rings

CIELAB BT.2020 Coverage 
 

56.48%
56.49%
Show Text 

HDR Color Volume 
 

6.3
6.5

P3 Color Volume ITP Picture 
 

Compare High-Res
TCL Q651G P3 Color Volume ITP Picture
Compare High-Res
TCL QM5K P3 Color Volume ITP Picture

1,000 cd/m² DCI P3 Coverage ITP 
 

58.3%
62.1%

2020 Color Volume ITP Picture 
 

Compare High-Res
TCL Q651G 2020 Color Volume ITP Picture
Compare High-Res
TCL QM5K 2020 Color Volume ITP Picture

10,000 cd/m² BT.2020 Coverage ITP 
 

26.3%
27.6%

White Luminance 
 

367 cd/m²
425 cd/m²

Red Luminance 
 

77 cd/m²
94 cd/m²

Green Luminance 
 

263 cd/m²
303 cd/m²

Blue Luminance 
 

26 cd/m²
25 cd/m²

Cyan Luminance 
 

289 cd/m²
330 cd/m²

Magenta Luminance 
 

103 cd/m²
91 cd/m²

Yellow Luminance 
 

339 cd/m²
341 cd/m²
Show Text 

SDR Pre-Calibration Color Accuracy 
 

8.3
6.4

Pre White Balance Picture 
 

Compare High-Res
TCL Q651G Pre White Balance Picture
Compare High-Res
TCL QM5K Pre White Balance Picture

Pre Gamma Curve Picture 
 

Compare High-Res
TCL Q651G Pre Gamma Curve Picture
Compare High-Res
TCL QM5K Pre Gamma Curve Picture

Pre Color Picture 
 

Compare High-Res
TCL Q651G Pre Color Picture
Compare High-Res
TCL QM5K Pre Color Picture

White Balance dE 2000 
 

3.31
5.35

Color dE 2000 
 

1.96
2.68

Gamma 
 

2.25
2.21

Color Temperature 
 

6,473 K
6,804 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 
 

9.4
9.6

Post White Balance Picture 
 

Compare High-Res
TCL Q651G Post White Balance Picture
Compare High-Res
TCL QM5K Post White Balance Picture

Post Gamma Curve Picture 
 

Compare High-Res
TCL Q651G Post Gamma Curve Picture
Compare High-Res
TCL QM5K Post Gamma Curve Picture

Post Color Picture 
 

Compare High-Res
TCL Q651G Post Color Picture
Compare High-Res
TCL QM5K Post Color Picture

White Balance dE 2000 
 

0.45
0.24

Color dE 2000 
 

1.26
1.01

Gamma 
 

2.15
2.20

Color Temperature 
 

6,501 K
6,506 K

White Balance Calibration 
 

20 point
20 point

Color Calibration 
 

Yes
Yes
Show Text 

HDR Pre-Calibration Color Accuracy 
 

5.9
6.7

HDR Pre White Balance Picture 
 

Compare High-Res
TCL Q651G HDR Pre White Balance Picture
Compare High-Res
TCL QM5K HDR Pre White Balance Picture

HDR Pre Color Picture 
 

Compare High-Res
TCL Q651G HDR Pre Color Picture
Compare High-Res
TCL QM5K HDR Pre Color Picture

White Balance dE ITP 
 

13.19
8.85

Color dE ITP 
 

11.2
9.8

Color Temperature 
 

7,633 K
7,316 K

Picture Mode 
 

Movie
Movie
Show Text 

HDR Post-Calibration Color Accuracy 
 

7.2
8.1

HDR Post White Balance Picture 
 

Compare High-Res
TCL Q651G HDR Post White Balance Picture
Compare High-Res
TCL QM5K HDR Post White Balance Picture

HDR Post Color Picture 
 

Compare High-Res
TCL Q651G HDR Post Color Picture
Compare High-Res
TCL QM5K HDR Post Color Picture

White Balance dE ITP 
 

10.66
5.71

Color dE ITP 
 

9.80
7.30

Color Temperature 
 

6,804 K
6,876 K
Show Text 
Processing

PQ EOTF Tracking 
 

5.6
8.8

PQ EOTF Graph  

See details
See details

600 Nit Tracking Delta 
 

0.0139
0.0033

1000 Nit Tracking Delta 
 

0.0139
0.0032

4000 Nit Tracking Delta 
 

0.0139
0.0043
Show Text 

Low-Quality Content Smoothing 
 

6.0
6.7

Low-Quality Content Smoothing Picture 
 

Compare High-Res
TCL Q651G Low-Quality Content Smoothing Picture
Compare High-Res
TCL QM5K Low-Quality Content Smoothing Picture

Smoothing 
 

5.5
6.5

Detail Preservation 
 

7.0
7.0
Show Text 

Upscaling: Sharpness Processing 
 

5.5
6.5

Sharpness Picture - 480p 
 

Compare High-Res
TCL Q651G Sharpness Picture - 480p
Compare High-Res
TCL QM5K Sharpness Picture - 480p
Show Text 

HDR Native Gradient 
 

7.0
6.3

HDR Gradient Picture 
 

Compare High-Res
TCL Q651G HDR Gradient Picture
Compare High-Res
TCL QM5K HDR Gradient Picture

100% Black To 50% Gray  

4.0
6.0

50% Gray To 100% White  

8.0
6.0

100% Black To 50% Red  

6.0
6.0

50% Red To 100% Red  

8.0
8.0

100% Black To 50% Green  

6.0
4.0

50% Green To 100% Green  

8.0
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 
 

8.3
8.5

1080p @ 60Hz 
 

10.4 ms
10.1 ms

1080p @ 60Hz Outside Game Mode 
 

161.4 ms
160.8 ms

1080p @ 120Hz 
 

6.2 ms
5.7 ms

1080p @ Max Refresh Rate 
 

6.2 ms
4.5 ms

4k @ 60Hz 
 

10.2 ms
9.7 ms

4k @ 60Hz @ 4:4:4 
 

10.7 ms
9.7 ms

4k @ 60Hz Outside Game Mode 
 

160.6 ms
159.7 ms

4k @ 60Hz With Interpolation 
 

160.6 ms
159.7 ms

4k @ 120Hz 
 

N/A
N/A

4k @ Max Refresh Rate 
 

10.2 ms
9.7 ms

8k @ 60Hz 
 

N/A
N/A
Show Text 

Supported Resolutions 
 

7.2
7.4

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 
 

120 Hz
144 Hz

4k @ 60Hz 
 

Yes
Yes

4k @ 60Hz @ 4:4:4 
 

Yes
Yes

4k @ 120Hz 
 

No
No

4k @ 120Hz @ 4:4:4 
 

No
No

4k Maximum Refresh Rate 
 

60 Hz
60 Hz

8k @ 30Hz Or 24Hz 
 

No
No

8k @ 60Hz 
 

No
No
Show Text 

Variable Refresh Rate 
 

6.4
6.6

Native Refresh Rate 
 

60Hz
60Hz

Variable Refresh Rate 
 

Yes
Yes

HDMI Forum VRR 
 

Yes
Yes

FreeSync 
 

Yes
Yes

G-SYNC Compatible 
 

Yes
Yes

4k VRR Maximum 
 

60 Hz
60 Hz

4k VRR Minimum 
 

48 Hz
48 Hz

1080p VRR Maximum 
 

120 Hz
144 Hz

1080p VRR Minimum 
 

< 20 Hz
< 20 Hz

VRR + Local Dimming  

No Local Dimming
Yes
Show Text 

CAD In Game Mode @ Max Refresh Rate 
 

2.2
6.4

Pursuit Photo Max Refresh 
 

Compare High-Res
TCL Q651G Pursuit Photo Max Refresh
Compare High-Res
TCL QM5K Pursuit Photo Max Refresh

CAD Heatmap Max Refresh 
 

Compare High-Res
TCL Q651G CAD Heatmap Max Refresh
Compare High-Res
TCL QM5K 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 
 

590
267

Best 10% CAD 
 

188
86

Worst 10% CAD 
 

909
459
Show Text 

CAD In Game Mode @ 120Hz 
 

0.0
0.0

Pursuit Photo 120Hz 
 

Compare High-Res
TCL Q651G Pursuit Photo 120Hz
Compare High-Res
TCL QM5K Pursuit Photo 120Hz

CAD Heatmap 120Hz 
 

Compare High-Res
TCL Q651G CAD Heatmap 120Hz
Compare High-Res
TCL QM5K CAD Heatmap 120Hz

Transition At 120Hz 
 

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

Avg. CAD 
 

N/A
N/A

Best 10% CAD 
 

N/A
N/A

Worst 10% CAD 
 

N/A
N/A
Show Text 

CAD In Game Mode @ 60Hz 
 

2.2
6.4

Pursuit Photo 60Hz 
 

Compare High-Res
TCL Q651G Pursuit Photo 60Hz
Compare High-Res
TCL QM5K Pursuit Photo 60Hz

CAD Heatmap 60Hz 
 

Compare High-Res
TCL Q651G CAD Heatmap 60Hz
Compare High-Res
TCL QM5K CAD Heatmap 60Hz

Transition 60Hz 
 

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

Avg. CAD 
 

590
267

Best 10% CAD 
 

188
86

Worst 10% CAD 
 

909
459
Show Text 

PS5 Compatibility 
 

PS5 Screenshot 
 

Compare High-Res
TCL Q651G PS5 Screenshot
Compare High-Res
TCL QM5K PS5 Screenshot

Auto Low Latency Mode (ALLM) 
 

Yes
Yes

4k @ 120Hz 
 

No
No

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 
 

Compare High-Res
TCL Q651G Xbox Series X Screenshot
Compare High-Res
TCL QM5K Xbox Series X Screenshot

Auto Low Latency Mode (ALLM) 
 

Yes
Yes

4k @ 120Hz 
 

No
No

1440p @ 120Hz 
 

Yes
Yes

1080p @ 120Hz 
 

Yes
Yes

HDR 
 

Yes
Yes

VRR 
 

Yes
Yes
Show Text 
Motion Handling

Stutter 
 

8.8
7.4

Frame Hold Time @ 24 fps 
 

15.9 ms
30.7 ms

Frame Hold Time @ 60 fps 
 

0.0 ms
5.7 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 

Response Time 
 

4.9
7.0

Pursuit Photo 60Hz 
 

Compare High-Res
TCL Q651G Pursuit Photo 60Hz
Compare High-Res
TCL QM5K Pursuit Photo 60Hz

Response Time Heatmap 60Hz 
 

Compare High-Res
TCL Q651G Response Time Heatmap 60Hz
Compare High-Res
TCL QM5K Response Time Heatmap 60Hz

Transition At 60Hz 
 

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

First Response Time 
 

25.8 ms
11.0 ms

Total Response Time 
 

7.0 ms
11.5 ms

Worst 10% Response Time 
 

37.0 ms
21.5 ms
Show Text 

Flicker 
 

Backlight chart 
 

Compare High-Res
TCL Q651G Backlight chart
Compare High-Res
TCL QM5K Backlight chart

Flicker-Free 
 

No
No

PWM Dimming Frequency 
 

150 Hz
15,400 Hz
Show Text 

Black Frame Insertion (BFI) 
 

BFI Picture 
 

Compare High-Res
TCL Q651G BFI Picture
Compare High-Res
TCL QM5K BFI Picture

BFI Frequency Picture 
 

Compare High-Res
TCL Q651G BFI Frequency Picture
Compare High-Res
TCL QM5K BFI Frequency Picture

Optional BFI 
 

No
No

Min Flicker For 60 fps 
 

150 Hz
N/A

60Hz For 60 fps 
 

No
No

120Hz For 120 fps 
 

No
No

Min Flicker For 60 fps In Game Mode 
 

150 Hz
N/A
Show Text 

Motion Interpolation 
 

Motion Interpolation (30 fps) Picture 
 

Compare High-Res
TCL Q651G Motion Interpolation (30 fps) Picture
Compare High-Res
TCL QM5K Motion Interpolation (30 fps) Picture

Motion Interpolation (30 fps) 
 

Yes
Yes

Motion Interpolation (60 fps) Picture 
 

Compare High-Res
TCL Q651G Motion Interpolation (60 fps) Picture
Compare High-Res
TCL QM5K Motion Interpolation (60 fps) Picture

Motion Interpolation (60 fps) 
 

No
No
Show Text 
Reflections

Direct Reflections 
 

5.8
5.8

Ring Light Picture 
 

Compare High-Res
TCL Q651G Ring Light Picture
Compare High-Res
TCL QM5K Ring Light Picture

Direct Reflections Graph  

See details
See details

Peak Direct Reflection Intensity 
 

57.9%
57.2%

Screen Finish 
 

Glossy
Glossy
Show Text 

Ambient Black Level Raise 
 

9.0
9.0

Black Level Raise Picture 
 

Compare High-Res
TCL Q651G Black Level Raise Picture
Compare High-Res
TCL QM5K Black Level Raise Picture

Bright Room Black Level Raise Graph  

See details
See details

Black Luminance @ 0 lx 
 

0.06 cd/m²
0.00 cd/m²

Black Luminance @ 1000 lx 
 

0.39 cd/m²
0.40 cd/m²
Show Text 

Total Reflected Light 
 

5.7
6.8

Bright Room Off Picture 
 

Compare High-Res
TCL Q651G Bright Room Off Picture
Compare High-Res
TCL QM5K Bright Room Off Picture

Ring Picture Total Reflection 
 

Compare High-Res
TCL Q651G Ring Picture Total Reflection
Compare High-Res
TCL QM5K Ring Picture Total Reflection

Total Reflected Light Intensity 
 

29,136% ⋅ pixel
21,774% ⋅ pixel

Diffraction Artifacts 
 

Yes
Yes
Show Text 

Ambient Color Saturation 
 

6.8
7.0

Bright Room Color Volume Graph  

See details
See details

Low-Luminance Colors @ 1000 lx 
 

59.32%
62.38%

Mid-Luminance Colors @ 1000 lx 
 

56.66%
55.26%

High-Luminance Colors @ 1000 lx 
 

45.53%
40.93%
Show Text 
Panel

Viewing Angle 
 

6.4
6.3

Viewing Angle Video  

Chroma Graph 
 

Compare High-Res
TCL Q651G Chroma Graph
Compare High-Res
TCL QM5K Chroma Graph

Color Washout 
 

26°
26°

Hue Graph 
 

Compare High-Res
TCL Q651G Hue Graph
Compare High-Res
TCL QM5K Hue Graph

Color Shift 
 

34°
44°

Lightness Graph 
 

Compare High-Res
TCL Q651G Lightness Graph
Compare High-Res
TCL QM5K Lightness Graph

Brightness Loss 
 

29°
31°

Black Level Raise 
 

21°
16°

Gamma Shift 
 

20°
19°
Show Text 

Gray Uniformity 
 

5.6
6.7

50% Uniformity Picture 
 

Compare High-Res
TCL Q651G 50% Uniformity Picture
Compare High-Res
TCL QM5K 50% Uniformity Picture

50% Std. Dev. 
 

5.450%
1.827%

50% DSE 
 

0.208%
0.159%

5% Uniformity Picture 
 

Compare High-Res
TCL Q651G 5% Uniformity Picture
Compare High-Res
TCL QM5K 5% Uniformity Picture

5% Std. Dev. 
 

0.575%
1.842%

5% DSE 
 

0.106%
0.120%
Show Text 

Panel Technology 
 

Spectral Power Distribution 
 

Compare High-Res
TCL Q651G Spectral Power Distribution
Compare High-Res
TCL QM5K Spectral Power Distribution

Pixels Picture 
 

Compare High-Res
TCL Q651G Pixels Picture
Compare High-Res
TCL QM5K Pixels Picture

Type  

LED
LED

Sub-Type 
 

VA
VA

Subpixel Layout 
 

BGR
BGR
Show Text 
Inputs

Input Specifications  

Side Inputs Picture 
 

Compare High-Res
TCL Q651G Side Inputs Picture
Compare High-Res
TCL QM5K Side Inputs Picture

Rear Inputs Picture 
 

Compare High-Res
TCL Q651G Rear Inputs Picture
Compare High-Res
TCL QM5K Rear Inputs Picture

HDMI  

3 (3x HDMI 2.0)
3 (2x HDMI 2.0, 1x HDMI 2.1)

HDMI 2.1 Rated Speed 
 

No HDMI 2.1
48 Gbps

ATSC Tuner 
 

1.0
1.0

USB Ports  

1
1

USB 3.0 
 

No
Yes (1)

Audio Out 3.5mm  

1
0

Wi-Fi  

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

Ethernet Speed  

100 Mbps
100 Mbps

Composite In  

1 (Adapter Required, Not Incl.)
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 
 

Compare High-Res
TCL Q651G Design Picture
Compare High-Res
TCL QM5K Design Picture

Curved  

No
No
Show Text 

Stand  

Stand Picture 
 

Compare High-Res
TCL Q651G Stand Picture
Compare High-Res
TCL QM5K Stand Picture
Show Text 

Back  

Back Picture 
 

Compare High-Res
TCL Q651G Back Picture
Compare High-Res
TCL QM5K Back Picture

Wall Mount  

VESA 400x400
VESA 300x300
Show Text 

Borders  

Borders Picture 
 

Compare High-Res
TCL Q651G Borders Picture
Compare High-Res
TCL QM5K Borders Picture

Borders  

0.31" (0.8 cm)
0.47" (1.2 cm)

Thickness  

Thickness Picture 
 

Compare High-Res
TCL Q651G Thickness Picture
Compare High-Res
TCL QM5K Thickness Picture

Max Thickness  

2.83" (7.2 cm)
2.24" (5.7 cm)

Build Quality 
 

7.0
7.0

Build quality picture 
 

Compare High-Res
TCL Q651G Build quality picture
Compare High-Res
TCL QM5K Build quality picture
Show Text 
Smart Features

Interface 
 

Smart TV Picture 
 

Compare High-Res
TCL Q651G Smart TV Picture
Compare High-Res
TCL QM5K Smart TV Picture

Smart OS  

Google TV
Google TV

Version  

12
12
Show Text 

Ad-Free 
 

0.0
0.0

Ads Picture 
 

Compare High-Res
TCL Q651G Ads Picture
Compare High-Res
TCL QM5K 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 
 

Compare High-Res
TCL Q651G Remote Picture
Compare High-Res
TCL QM5K Remote Picture

Voice Control  

Yes
Yes
Show Text 

TV Controls  

Controls Picture 
 

Compare High-Res
TCL Q651G Controls Picture
Compare High-Res
TCL QM5K Controls Picture

Mute Switch 
 

No
Yes
Show Text 

In The Box  

In The Box Picture 
 

Compare High-Res
TCL Q651G In The Box Picture
Compare High-Res
TCL QM5K In The Box Picture
Show Text 

Misc  

Power Consumption  

52 W
53 W

Power Consumption (Max)  

191 W
222 W

Firmware  

V8-R75PT01-LF1V174.000660
V8-0008T01-LF1V467.001695
Sound Quality

Frequency Response 
 

6.8
5.8

Frequency Response  

See details
See details

Low-Frequency Extension 
 

113.14 Hz
100.79 Hz

Std. Dev. @ 70 
 

4.24 dB
4.02 dB

Std. Dev. @ 80 
 

4.26 dB
4.42 dB

Std. Dev. @ Max 
 

5.33 dB
6.78 dB

Max 
 

95.0 dB SPL
84.3 dB SPL

Dynamic Range Compression 
 

2.79 dB
3.73 dB

Digital Room Correction  

No
No
Show Text 

Check Price

43"
43Q651G
SEE PRICE
BestBuy.com
43"
 
98"
98Q651G
SEE PRICE
BestBuy.com
98"
 

TCL Q651G

TCL QM5K

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TCL Q651G vs TCL QM5K: Main Discussion

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