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TV 2.0 is finally here! With this massive update, we've completely revamped the way we test and score TVs, with an emphasis on how a TV performs in a bright room. You can read about all the changes in our 2.0 changelog.
- Table of Contents
- Top
- Main Differences
- Brightness
- Black Level
- Color
- Processing
- Game Mode Responsiveness
- Motion Handling
- Reflections
- Panel
- Inputs
- Design
- Smart Features
- Sound Quality
- Comments
LG G4 OLED vs TCL QM7/QM751G QLED
Side-by-Side Comparison
Products
LG G4 OLED
TCL QM7/QM751G QLED
Tested using Methodology v2.0
Updated Mar 07, 2025 03:19 PM
SEE PRICE
Amazon.comTested using Methodology v2.0
Updated Mar 31, 2025 02:43 PM
SEE PRICE
Amazon.com
Resolution4k
Native Refresh Rate144Hz
TypeOLED
Sub-TypeWOLED
Dolby VisionYes
Screen FinishGlossy
Resolution4k
Native Refresh Rate144Hz
TypeLED
Sub-TypeVA
Dolby VisionYes
Screen FinishGlossy
Variants
- OLED55G4SUB (55")
- OLED65G4SUB (65")
- OLED77G4WUA (77")
- OLED83G4WUA (83")
- OLED97G4WUA (97")
- 55QM751G (55")
- 65QM751G (65")
- 75QM751G (75")
- 85QM751G (85")
- 98QM751G (98")
Our Verdict
LG G4 OLED
TCL QM7/QM751G QLED
Full comparison details regarding individual product score sets can be found in the section below
Check Price
55"
OLED55G4SUB
SEE PRICE
Amazon.com55"
55QM751G
SEE PRICE
Amazon.com65"
OLED65G4SUB
SEE PRICE
Amazon.com65"
65QM751G
SEE PRICE
Amazon.com75"
75"
75QM751G
SEE PRICE
Amazon.com77"
OLED77G4WUA
SEE PRICE
Amazon.com77"
83"
OLED83G4WUA
SEE PRICE
Amazon.com83"
85"
85"
85QM751G
SEE PRICE
Amazon.com97"
OLED97G4WUA
SEE PRICE
LG.com97"
98"
98"
98QM751G
SEE PRICE
Amazon.comMain Differences for
Threshold
Mixed Usage
8.6
7.8
Contrast
10
8.2
HDR Brightness
8.6
8.1
Direct Reflections
8.2
5.3
SDR Brightness
7.6
8.6
Lighting Zone Precision
10
7.5
Full Comparison
Brightness
HDR Brightness
8.6
8.1
HDR Hallway Photo
HDR Cityscape Photo
HDR Landscape Photo
Hallway Lights (~1950 cd/m²)
1,194 cd/m²
828 cd/m²
Yellow Skyscraper (~700 cd/m²)
719 cd/m²
397 cd/m²
Landscape Pool (~300 cd/m²)
303 cd/m²
299 cd/m²
Peak 2% Window
1,550 cd/m²
1,315 cd/m²
Peak 10% Window
1,459 cd/m²
1,555 cd/m²
Peak 25% Window
701 cd/m²
1,449 cd/m²
Peak 50% Window
468 cd/m²
899 cd/m²
Peak 100% Window
226 cd/m²
564 cd/m²
Sustained 2% Window
1,487 cd/m²
1,115 cd/m²
Sustained 10% Window
1,399 cd/m²
1,527 cd/m²
Sustained 25% Window
672 cd/m²
1,428 cd/m²
Sustained 50% Window
468 cd/m²
897 cd/m²
Sustained 100% Window
224 cd/m²
564 cd/m²
Automatic Brightness Limiting (ABL)
0.108
0.052
HDR Brightness In Game Mode
8.5
8.0
HDR Hallway Photo
HDR Cityscape Photo
HDR Landscape Photo
Hallway Lights (~1950 cd/m²)
1,190 cd/m²
796 cd/m²
Yellow Skyscraper (~700 cd/m²)
692 cd/m²
400 cd/m²
Landscape Pool (~300 cd/m²)
286 cd/m²
293 cd/m²
Peak 2% Window
1,433 cd/m²
1,297 cd/m²
Peak 10% Window
1,413 cd/m²
1,466 cd/m²
Peak 25% Window
611 cd/m²
1,378 cd/m²
Peak 50% Window
420 cd/m²
862 cd/m²
Peak 100% Window
221 cd/m²
543 cd/m²
Sustained 2% Window
1,401 cd/m²
1,098 cd/m²
Sustained 10% Window
1,376 cd/m²
1,443 cd/m²
Sustained 25% Window
600 cd/m²
1,364 cd/m²
Sustained 50% Window
420 cd/m²
860 cd/m²
Sustained 100% Window
219 cd/m²
542 cd/m²
Automatic Brightness Limiting (ABL)
0.104
0.052
SDR Brightness
7.6
8.6
Real Scene Peak Brightness
513 cd/m²
604 cd/m²
Peak 2% Window
611 cd/m²
1,222 cd/m²
Peak 10% Window
596 cd/m²
1,509 cd/m²
Peak 25% Window
546 cd/m²
1,406 cd/m²
Peak 50% Window
500 cd/m²
844 cd/m²
Peak 100% Window
317 cd/m²
532 cd/m²
Sustained 2% Window
604 cd/m²
1,031 cd/m²
Sustained 10% Window
589 cd/m²
1,487 cd/m²
Sustained 25% Window
543 cd/m²
1,329 cd/m²
Sustained 50% Window
498 cd/m²
840 cd/m²
Sustained 100% Window
317 cd/m²
531 cd/m²
Automatic Brightness Limiting (ABL)
0.037
0.053
Black Level
Contrast
10
8.2
Contrast Picture
Contrast
Inf : 1
135,500 : 1
Native Contrast
Inf : 1
5,651 : 1
Lighting Zone Precision
10
7.5
Lighting Zone Precision Picture
Lighting Zone Transitions
10
8.0
Preferred LD Video, Moving Object
Local Dimming
No
Yes
Backlight
No Backlight
Full-Array
Dimming Zone Count Of The Tested TV
8,294,400
1,248
Contrast And Dark Details In Game Mode
9.5
8.0
Lighting Zone Precision Photo In Game Mode
Preferred LD Video, Moving Object In Game Mode
Game Transitions With VRR And Preferred LD
Black Uniformity
10
9.5
Black Uniformity Picture With Preferred Local Dimming
Std. Dev.
N/A
0.269%
Native Black Uniformity Picture
Native Std. Dev.
0.167%
0.420%
Color
SDR Color Volume
7.5
8.0
DCI-P3 Gamut Rings
CIELAB DCI-P3 Coverage
91.18%
92.27%
BT.2020 Gamut Rings
CIELAB BT.2020 Coverage
61.27%
70.17%
HDR Color Volume
8.0
8.5
P3 Color Volume ITP Picture
1,000 cd/m² DCI P3 Coverage ITP
88.3%
82.8%
2020 Color Volume ITP Picture
10,000 cd/m² BT.2020 Coverage ITP
39.7%
44.8%
White Luminance
1,585 cd/m²
1,199 cd/m²
Red Luminance
144 cd/m²
291 cd/m²
Green Luminance
435 cd/m²
826 cd/m²
Blue Luminance
51 cd/m²
91 cd/m²
Cyan Luminance
474 cd/m²
920 cd/m²
Magenta Luminance
183 cd/m²
383 cd/m²
Yellow Luminance
553 cd/m²
1,117 cd/m²
SDR Pre-Calibration Color Accuracy
9.3
5.2
Pre White Balance Picture
Pre Gamma Curve Picture
Pre Color Picture
White Balance dE 2000
0.99
6.27
Color dE 2000
0.79
3.22
Gamma
2.19
2.20
Color Temperature
6,381 K
5,794 K
Picture Mode
Expert (Dark Space)
Movie
Color Temp Setting
Warm 50
Warm -5
Gamma Setting
2.2
2.2
SDR Post-Calibration Color Accuracy
9.7
9.7
Post White Balance Picture
Post Gamma Curve Picture
Post Color Picture
White Balance dE 2000
0.13
0.40
Color dE 2000
0.73
0.48
Gamma
2.20
2.21
Color Temperature
6,477 K
6,470 K
White Balance Calibration
22 point
20 point
Color Calibration
Yes
Yes
HDR Pre-Calibration Color Accuracy
8.7
7.0
HDR Pre White Balance Picture
HDR Pre Color Picture
White Balance dE ITP
5.42
14.66
Color dE ITP
6.4
19.2
Color Temperature
6,637 K
6,534 K
Picture Mode
Cinema
Movie
HDR Post-Calibration Color Accuracy
9.0
9.2
HDR Post White Balance Picture
HDR Post Color Picture
White Balance dE ITP
4.36
2.86
Color dE ITP
6.20
4.70
Color Temperature
6,425 K
6,358 K
Processing
PQ EOTF Tracking
8.1
5.3
PQ EOTF Graph
600 Nit Tracking Delta
0.0048
0.0156
1000 Nit Tracking Delta
0.0050
0.0155
4000 Nit Tracking Delta
0.0050
0.0156
Low-Quality Content Smoothing
8.7
8.1
Low-Quality Content Smoothing Picture
Smoothing
9.0
8.5
Detail Preservation
8.0
7.0
Upscaling: Sharpness Processing
8.5
7.5
Sharpness Picture - 480p
HDR Native Gradient
8.3
7.5
HDR Gradient Picture
100% Black To 50% Gray
6.0
6.0
50% Gray To 100% White
10
6.0
100% Black To 50% Red
8.0
8.0
50% Red To 100% Red
10
8.0
100% Black To 50% Green
8.0
8.0
50% Green To 100% Green
8.0
8.0
100% Black To 50% Blue
8.0
8.0
50% Blue To 100% Blue
8.0
8.0
Game Mode Responsiveness
Input Lag
9.0
8.3
1080p @ 60Hz
10.0 ms
14.3 ms
1080p @ 60Hz Outside Game Mode
89.7 ms
125.2 ms
1080p @ 120Hz
5.3 ms
6.4 ms
1080p @ Max Refresh Rate
4.6 ms
8.1 ms
4k @ 60Hz
9.9 ms
14.4 ms
4k @ 60Hz @ 4:4:4
10.0 ms
14.8 ms
4k @ 60Hz Outside Game Mode
89.6 ms
124.9 ms
4k @ 60Hz With Interpolation
85.7 ms
116.9 ms
4k @ 120Hz
5.4 ms
6.0 ms
4k @ Max Refresh Rate
4.6 ms
5.2 ms
8k @ 60Hz
N/A
N/A
Supported Resolutions
9.7
9.7
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 @ 144Hz
Yes
Yes
4k @ 60Hz
Yes
Yes
4k @ 60Hz @ 4:4:4
Yes
Yes
4k @ 120Hz
Yes
Yes
4k @ 120Hz @ 4:4:4
Yes
Yes
4k @ 144Hz
Yes
Yes
8k @ 30Hz Or 24Hz
No
No
8k @ 60Hz
No
No
Variable Refresh Rate
8.5
8.8
Native Refresh Rate
144Hz
144Hz
Variable Refresh Rate
Yes
Yes
HDMI Forum VRR
Yes
Yes
FreeSync
Yes
Yes
G-SYNC Compatible
Yes (NVIDIA Certified)
Yes
4k VRR Maximum
144 Hz
144 Hz
4k VRR Minimum
< 20 Hz
< 20 Hz
1080p VRR Maximum
144 Hz
240 Hz
1080p VRR Minimum
< 20 Hz
< 20 Hz
VRR + Local Dimming
No Local Dimming
Yes
CAD In Game Mode @ Max Refresh Rate
9.5
6.7
Pursuit Photo Max Refresh
CAD Heatmap Max Refresh
Transition At Max Refresh
0 to 31
0 to 31
Avg. CAD
40
225
Best 10% CAD
15
121
Worst 10% CAD
109
357
CAD In Game Mode @ 120Hz
9.6
6.8
Pursuit Photo 120Hz
CAD Heatmap 120Hz
Transition At 120Hz
0 to 31
0 to 31
Avg. CAD
34
212
Best 10% CAD
14
86
Worst 10% CAD
76
460
CAD In Game Mode @ 60Hz
9.4
6.8
Pursuit Photo 60Hz
CAD Heatmap 60Hz
Transition 60Hz
0 to 31
0 to 31
Avg. CAD
49
212
Best 10% CAD
14
85
Worst 10% CAD
140
457
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
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
Motion Handling
Stutter
4.2
6.4
Frame Hold Time @ 24 fps
41.1 ms
35.4 ms
Frame Hold Time @ 60 fps
16.1 ms
10.4 ms
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
Response Time
9.5
8.0
Pursuit Photo 60Hz
Response Time Heatmap 60Hz
Transition At 60Hz
0 to 31
0 to 31
First Response Time
0.6 ms
6.3 ms
Total Response Time
3.5 ms
10.0 ms
Worst 10% Response Time
10.1 ms
21.8 ms
Flicker
Backlight chart
Flicker-Free
No
No
PWM Dimming Frequency
0 Hz
10,000 Hz
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
No
Yes
Min Flicker For 60 fps In Game Mode
60 Hz
60 Hz
Motion Interpolation
Motion Interpolation (30 fps) Picture
Motion Interpolation (30 fps)
Yes
Yes
Motion Interpolation (60 fps) Picture
Motion Interpolation (60 fps)
Yes
Yes
Reflections
Direct Reflections
8.2
5.3
Ring Light Picture
Direct Reflections Graph
Peak Direct Reflection Intensity
21.8%
67.1%
Screen Finish
Glossy
Glossy
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
0.00 cd/m²
Black Luminance @ 1000 lx
1.62 cd/m²
0.38 cd/m²
Total Reflected Light
9.0
5.9
Bright Room Off Picture
Ring Picture Total Reflection
Total Reflected Light Intensity
5,015% ⋅ pixel
27,092% ⋅ pixel
Diffraction Artifacts
No
Yes
Ambient Color Saturation
6.5
8.5
Bright Room Color Volume Graph
Low-Luminance Colors @ 1000 lx
57.98%
71.10%
Mid-Luminance Colors @ 1000 lx
54.22%
71.77%
High-Luminance Colors @ 1000 lx
32.43%
67.56%
Panel
Viewing Angle
9.9
6.7
Viewing Angle Video
Chroma Graph
Color Washout
70°
23°
Hue Graph
Color Shift
70°
65°
Lightness Graph
Brightness Loss
70°
30°
Black Level Raise
70°
18°
Gamma Shift
70°
20°
Gray Uniformity
7.9
6.5
50% Uniformity Picture
50% Std. Dev.
1.346%
3.346%
50% DSE
0.143%
0.182%
5% Uniformity Picture
5% Std. Dev.
0.463%
1.050%
5% DSE
0.085%
0.084%
Panel Technology
Spectral Power Distribution
Pixels Picture
Type
OLED
LED
Sub-Type
WOLED
VA
Subpixel Layout
RWBG
BGR
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
48 Gbps
ATSC Tuner
1.0
1.0
USB Ports
3
2
USB 3.0
No
Yes (1)
Audio Out 3.5mm
0
1
Wi-Fi
Yes (2.4 GHz, 5 GHz, 6 GHz)
Yes (2.4 GHz, 5 GHz)
Ethernet Speed
100 Mbps
100 Mbps
Composite In
0
1 (Adapter Required, Not Incl.)
Digital Optical Audio Out
1
1
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
HDR Format Support
HDR10
Yes
Yes
HDR10+
No
Yes
Dolby Vision
Yes
Yes
HLG
Yes
Yes
Design
Style
Design Picture
Curved
No
No
Stand
Stand Picture
Back
Back Picture
Wall Mount
VESA 300x300
VESA 400x400
Borders
Borders Picture
Borders
0.24" (0.6 cm)
0.31" (0.8 cm)
Thickness
Thickness Picture
Max Thickness
0.94" (2.4 cm)
3.11" (7.9 cm)
Build Quality
9.0
8.0
Build quality picture
Smart Features
Interface
Smart TV Picture
Smart OS
webOS
Google TV
Version
24
12
Ad-Free
0.0
0.0
Ads Picture
Ads
Yes
Yes
Opt-out
No
No
Suggested Content in Home
No
Yes
Opt-out of Suggested Content
No
No
Remote
Remote Picture
Voice Control
Yes
Yes
TV Controls
Controls Picture
Mute Switch
Yes
Yes
In The Box
In The Box Picture
Misc
Power Consumption
78 W
70 W
Power Consumption (Max)
233 W
309 W
Firmware
03.10.27
V8-T653T02-LF1V097
Sound Quality
Frequency Response
7.5
6.6
Frequency Response
Low-Frequency Extension
80.00 Hz
119.87 Hz
Std. Dev. @ 70
3.06 dB
3.63 dB
Std. Dev. @ 80
2.72 dB
3.64 dB
Std. Dev. @ Max
4.04 dB
4.40 dB
Max
91.9 dB SPL
85.9 dB SPL
Dynamic Range Compression
4.90 dB
1.69 dB
Digital Room Correction
Yes
No
Check Price
55"
OLED55G4SUB
SEE PRICE
Amazon.com55"
55QM751G
SEE PRICE
Amazon.com65"
OLED65G4SUB
SEE PRICE
Amazon.com65"
65QM751G
SEE PRICE
Amazon.com75"
75"
75QM751G
SEE PRICE
Amazon.com77"
OLED77G4WUA
SEE PRICE
Amazon.com77"
83"
OLED83G4WUA
SEE PRICE
Amazon.com83"
85"
85"
85QM751G
SEE PRICE
Amazon.com97"
OLED97G4WUA
SEE PRICE
LG.com97"
98"
98"
98QM751G
SEE PRICE
Amazon.com
LG G4 OLED
TCL QM7/QM751G QLED
Comments
LG G4 OLED vs TCL QM7/QM751G QLED: Main Discussion
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