Products
TCL Q750G
TCL Q550G
Tested using Methodology v1.11
Updated Apr 14, 2025 07:22 PM
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Tested using Methodology v1.11
Updated Apr 02, 2025 04:16 PM
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Resolution4k
TypeLED
Sub-Type
VA
Resolution4k
TypeLED
Sub-Type
VA
Our Verdict
TCL Q7/Q750G QLED
TCL Q5/Q550G QLED
The TCL Q750G is better than the TCL Q550G. As a higher-tier model in the same lineup, the Q750G just does more overall than the Q550G. The Q750G has HDMI 2.1 bandwidth, so you can game in 4k @ 120Hz. The Q750G also has local dimming, so its contrast is much better, and blacks are much deeper than on the Q550G. On top of that, the Q750G gets much brighter in both SDR and HDR, and it supports more advanced DTS audio formats.
Variants
- 55Q750G (55")
- 65Q750G (65")
- 75Q750G (75")
- 85Q750G (85")
- 43Q550G (43")
- 50Q550G (50")
- 55Q550G (55")
- 65Q550G (65")
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43"
43"
43Q550G
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50"
50"
50Q550G
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55"
55Q750G
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55"
55Q550G
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65"
65Q750G
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65"
65Q550G
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75"
75Q750G
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75"
85"
85Q750G
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85"
Main Differences for
Mixed Usage
Mixed Usage
Threshold
Mixed Usage
7.9
7.2
Contrast
9.3
6.9
Low-Quality Content Smoothing
8.1
5.8
Full Comparison
Design
Style
Design Picture
Curved
No
No
Accelerated Longevity Test
Uniformity Pictures
Longevity Graph
Stand
Stand Picture
Back
Back Picture
Wall Mount
VESA 300x300
VESA 300x300
Borders
Borders Picture
Borders
0.31" (0.8 cm)
0.31" (0.8 cm)
Thickness
Thickness Picture
Max Thickness
2.76" (7.0 cm)
3.19" (8.1 cm)
Build Quality
7.5
6.5
Build quality picture
Picture Quality
Contrast
9.3
6.9
Contrast Picture
Contrast
80,160 : 1
7,696 : 1
Native Contrast
9,614 : 1
7,696 : 1
Blooming
7.5
10
Blooming Photo
Lighting Zone Transitions
7.0
10
Preferred LD Video, Moving Object
Local Dimming
Yes
No
Backlight
Full-Array
Direct
Dimming Zones Count Of Tested TV
160
N/A
Contrast And Dark Details In Game Mode
9.0
8.0
Blooming Photo In Game Mode
Preferred LD Video, Moving Object In Game Mode
Game Transitions With VRR And Preferred LD
HDR Brightness
7.6
7.2
HDR Hallway Photo
HDR Cityscape Photo
HDR Landscape Photo
Hallway Lights (~1950 cd/m²)
497 cd/m²
381 cd/m²
Yellow Skyscraper (~700 cd/m²)
275 cd/m²
357 cd/m²
Landscape Pool (~300 cd/m²)
270 cd/m²
276 cd/m²
Peak 2% Window
381 cd/m²
424 cd/m²
Peak 10% Window
685 cd/m²
425 cd/m²
Peak 25% Window
926 cd/m²
424 cd/m²
Peak 50% Window
810 cd/m²
425 cd/m²
Peak 100% Window
565 cd/m²
425 cd/m²
Sustained 2% Window
372 cd/m²
423 cd/m²
Sustained 10% Window
663 cd/m²
424 cd/m²
Sustained 25% Window
796 cd/m²
424 cd/m²
Sustained 50% Window
801 cd/m²
424 cd/m²
Sustained 100% Window
565 cd/m²
424 cd/m²
Automatic Brightness Limiting (ABL)
0.044
0.000
HDR Brightness In Game Mode
7.8
7.0
HDR Hallway Photo
HDR Cityscape Photo
HDR Landscape Photo
Hallway Lights (~1950 cd/m²)
523 cd/m²
378 cd/m²
Yellow Skyscraper (~700 cd/m²)
302 cd/m²
333 cd/m²
Landscape Pool (~300 cd/m²)
309 cd/m²
250 cd/m²
Peak 2% Window
410 cd/m²
421 cd/m²
Peak 10% Window
854 cd/m²
422 cd/m²
Peak 25% Window
1,008 cd/m²
422 cd/m²
Peak 50% Window
864 cd/m²
422 cd/m²
Peak 100% Window
604 cd/m²
423 cd/m²
Sustained 2% Window
403 cd/m²
420 cd/m²
Sustained 10% Window
711 cd/m²
421 cd/m²
Sustained 25% Window
866 cd/m²
422 cd/m²
Sustained 50% Window
855 cd/m²
422 cd/m²
Sustained 100% Window
603 cd/m²
422 cd/m²
Automatic Brightness Limiting (ABL)
0.043
0.000
PQ EOTF Tracking
8.4
9.0
PQ EOTF Graph
600 Nit Tracking Delta
0.0102
0.0065
1000 Nit Tracking Delta
0.0104
0.0065
4000 Nit Tracking Delta
0.0107
0.0061
SDR Brightness
8.5
7.8
Real Scene Peak Brightness
546 cd/m²
373 cd/m²
Peak 2% Window
395 cd/m²
425 cd/m²
Peak 10% Window
757 cd/m²
423 cd/m²
Peak 25% Window
888 cd/m²
423 cd/m²
Peak 50% Window
780 cd/m²
422 cd/m²
Peak 100% Window
548 cd/m²
422 cd/m²
Sustained 2% Window
384 cd/m²
423 cd/m²
Sustained 10% Window
642 cd/m²
422 cd/m²
Sustained 25% Window
764 cd/m²
422 cd/m²
Sustained 50% Window
773 cd/m²
422 cd/m²
Sustained 100% Window
544 cd/m²
421 cd/m²
Automatic Brightness Limiting (ABL)
0.040
0.000
Color Gamut
8.3
7.9
Wide Color Gamut
Yes
Yes
Color Gamut DCI-P3 Picture
DCI P3 xy
92.69%
87.88%
DCI P3 uv
96.12%
93.66%
Color Gamut Rec.2020 Picture
Rec 2020 xy
67.74%
64.14%
Rec 2020 uv
73.00%
71.05%
Color Volume
7.4
7.2
P3 Color Volume ITP Picture
1,000 cd/m² DCI P3 Coverage ITP
64.0%
61.6%
2020 Color Volume ITP Picture
10,000 cd/m² Rec 2020 Coverage ITP
28.7%
27.4%
White Luminance
375 cd/m²
427 cd/m²
Red Luminance
82 cd/m²
90 cd/m²
Green Luminance
282 cd/m²
308 cd/m²
Blue Luminance
34 cd/m²
30 cd/m²
Cyan Luminance
310 cd/m²
338 cd/m²
Magenta Luminance
108 cd/m²
120 cd/m²
Yellow Luminance
341 cd/m²
392 cd/m²
Pre Calibration
4.6
5.1
Pre White Balance Picture
Pre Gamma Curve Picture
Pre Color Picture
White Balance dE
7.61
7.01
Color dE
3.87
3.48
Gamma
2.11
2.16
Color Temperature
6,500 K
6,272 K
Picture Mode
Movie
Movie
Color Temp Setting
Warm
Warm
Gamma Setting
2.2
2.2
Post Calibration
9.4
9.5
Post White Balance Picture
Post Gamma Curve Picture
Post Color Picture
White Balance dE
0.71
0.44
Color dE
1.05
0.80
Gamma
2.20
2.20
Color Temperature
6,481 K
6,487 K
White Balance Calibration
20 point
20 point
Color Calibration
Yes
Yes
Gray Uniformity
7.6
7.3
50% Uniformity Picture
50% Std. Dev.
4.145%
4.513%
50% DSE
0.174%
0.184%
5% Uniformity Picture
5% Std. Dev.
0.550%
0.635%
5% DSE
0.075%
0.095%
Black Uniformity
9.7
9.7
Black Uniformity Picture With Preferred Local Dimming
Std. Dev.
0.430%
N/A
Native Black Uniformity Picture
Native Std. Dev.
0.597%
0.487%
Viewing Angle
5.3
5.8
Viewing Angle Video
Chroma Graph
Color Washout
24°
26°
Hue Graph
Color Shift
34°
58°
Lightness Graph
Brightness Loss
29°
30°
Black Level Raise
17°
18°
Gamma Shift
15°
16°
Reflections
7.1
7.1
Reflections Picture
Average Room Off Picture
Bright Room Off Picture
Screen Finish
Semi-gloss
Semi-gloss
Total Reflections
5.9%
5.8%
Indirect Reflections
0.9%
0.9%
Calculated Direct Reflections
5.0%
4.9%
HDR Native Gradient
7.5
6.5
HDR Gradient Picture
100% Black to 50% Gray
6.0
4.0
50% Gray to 100% White
6.0
8.0
100% Black to 50% Red
8.0
6.0
50% Red to 100% Red
10
8.0
100% Black to 50% Green
8.0
6.0
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
Low-Quality Content Smoothing
8.1
5.8
Low-Quality Content Smoothing Picture
Smoothing
9.0
5.0
Detail Preservation
6.0
7.5
Upscaling: Sharpness Processing
7.5
6.0
Sharpness Picture - 480p
Pixels
Pixels Picture
Subpixel Layout
BGR
BGR
Type
LED
LED
Sub-Type
VA
VA
Motion
Response Time
8.3
7.8
Motion Blur Picture
Response Time Chart
80% Response Time
4.2 ms
5.5 ms
100% Response Time
10.8 ms
12.9 ms
Flicker-Free
9.9
2.1
Backlight chart
Flicker-Free
No
No
PWM Dimming Frequency
960 Hz
150 Hz
Black Frame Insertion (BFI)
BFI Picture
BFI Frequency Picture
Optional BFI
Yes
No
Min Flicker For 60 fps
60 Hz
150 Hz
60Hz For 60 fps
Yes
No
120Hz For 120 fps
Yes
N/A
Min Flicker for 60 fps in Game Mode
60 Hz
150 Hz
Motion Interpolation
Motion Interpolation (30 fps) Picture
Motion Interpolation (30 fps)
Yes
Yes
Motion Interpolation (60 fps) Picture
Motion Interpolation (60 fps)
Yes
No
Stutter
6.9
7.3
Frame Hold Time @ 24 fps
30.9 ms
28.8 ms
Frame Hold Time @ 60 fps
5.9 ms
3.8 ms
24p Judder
10
7.8
Judder-Free 24p
Yes
Yes
Judder-Free 24p via 60p
Yes
No
Judder-Free 24p via 60i
Yes
No
Judder-Free 24p via Native Apps
Yes
Yes
Variable Refresh Rate
9.6
8.2
Native Refresh Rate
144 Hz
60 Hz
Variable Refresh Rate
Yes
Yes
HDMI Forum VRR
Yes
Yes
FreeSync
Yes
Yes
G-SYNC Compatible
Yes
Yes
4k VRR Maximum
144 Hz
60 Hz
4k VRR Minimum
< 20 Hz
48 Hz
1080p VRR Maximum
240 Hz
120 Hz
1080p VRR Minimum
< 20 Hz
< 20 Hz
1440p VRR Maximum
144 Hz
120 Hz
1440p VRR Minimum
< 20 Hz
< 20 Hz
VRR + Local Dimming
Yes
No Local Dimming
Inputs
Input Lag
9.3
9.7
1080p @ 60Hz
17.1 ms
10.9 ms
1080p @ 60Hz Outside Game Mode
126.6 ms
111.7 ms
1080p @ 120Hz
6.4 ms
6.5 ms
1080p @ 144Hz
16.5 ms
N/A
1440p @ 60Hz
14.2 ms
10.7 ms
1440p @ 120Hz
9.8 ms
6.3 ms
1440p @ 144Hz
17.2 ms
N/A
4k @ 60Hz
14.4 ms
10.3 ms
4k @ 60Hz + 10-Bit HDR
14.3 ms
10.2 ms
4k @ 60Hz @ 4:4:4
26.7 ms
10.4 ms
4k @ 60Hz Outside Game Mode
126.4 ms
94.6 ms
4k @ 60Hz With Interpolation
126.3 ms
94.7 ms
4k @ 120Hz
6.2 ms
N/A
4k @ 144Hz
20.8 ms
N/A
8k @ 60Hz
N/A
N/A
Supported Resolutions
9.3
8.2
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
No
1440p @ 60Hz
Yes (forced resolution required)
Yes (forced resolution required)
1440p @ 120Hz
Yes
Yes
1440p @ 144Hz
Yes
No
4k @ 60Hz
Yes
Yes
4k @ 60Hz @ 4:4:4
Yes
Yes
4k @ 120Hz
Yes
No
4k @ 120Hz @ 4:4:4
No
No
4k @ 144Hz
Yes
No
8k @ 30Hz or 24Hz
No
No
8k @ 60Hz
No
No
PS5 Compatibility
PS5 Screenshot
Auto Low Latency Mode (ALLM)
Yes
Yes
4k @ 120Hz
Yes
No
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
No
1440p @ 120Hz
Yes
Yes
1080p @ 120Hz
Yes
Yes
HDR
Yes
Yes
VRR
Yes
Yes
Inputs Specifications
HDR10
Yes
Yes
HDR10+
Yes
Yes
Dolby Vision
Yes
Yes
HLG
Yes
Yes
HDMI 2.0 Full Bandwidth
Yes (HDMI 1,2,3,4)
Yes (HDMI 1,2,3)
HDMI 2.1 Class Bandwidth
Yes (HDMI 1,2)
No
CEC
Yes
Yes
HDCP 2.2
Yes (HDMI 1,2,3,4)
Yes (HDMI 1,2,3)
ATSC Tuner
1.0
1.0
USB 3.0
No
Yes (1)
Variable Analog Audio Out
Yes
Yes
Wi-Fi Support
Yes (2.4 GHz, 5 GHz)
Yes (2.4 GHz, 5 GHz)
Input Photos
Side Inputs Picture
Rear Inputs Picture
Total Inputs
HDMI
4
3
USB
1
1
Digital Optical Audio Out
1
1
Analog Audio Out 3.5mm
1
1
Analog Audio Out RCA
0
0
Component In
0
0
Composite In
1 (adapter required, not incl.)
1 (adapter required, not incl.)
Tuner (Cable/Ant)
1
1
Ethernet
1
1
DisplayPort
0
0
IR In
0
0
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
No
eARC: DTS-HD Master Audio 7.1
Yes
No
eARC: LPCM Channels (Bitstream)
2.0
2.0
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
Sound Quality
Frequency Response
6.6
5.1
Frequency Response
Low-Frequency Extension
100.79 Hz
151.02 Hz
Std. Dev. @ 70
3.22 dB
5.87 dB
Std. Dev. @ 80
3.49 dB
5.78 dB
Std. Dev. @ Max
5.15 dB
7.21 dB
Max
85.9 dB SPL
86.7 dB SPL
Dynamic Range Compression
3.18 dB
3.60 dB
Distortion
6.7
7.6
Total Harmonic Distortion
Weighted THD @ 80
0.152
0.024
Weighted THD @ Max
0.419
0.142
IMD @ 80
3.87%
1.63%
IMD @ Max
18.55%
14.67%
Smart Features
Interface
8.0
8.0
Smart TV Picture
Smart OS
Google TV
Google TV
Version
11
11
Ease of Use
Average
Average
Smoothness
Very Smooth
Very Smooth
Time Taken to Select YouTube
1 s
1 s
Time Taken to Change Backlight
2 s
2 s
Advanced Options
Many
Many
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
Apps and Features
9.0
9.0
Apps Picture
App Selection
Great
Great
App Smoothness
Very Smooth
Very Smooth
Cast Capable
Yes
Yes
USB Drive Playback
Yes
Yes
USB Drive HDR Playback
Yes
Yes
HDR in Netflix
Yes
Yes
HDR in YouTube
Yes
Yes
Remote
8.5
8.5
Remote Picture
Size
Medium
Medium
Voice Control
Many Features
Many Features
CEC Menu Control
Yes
Yes
Other Smart Features
No
No
Remote App
Android TV
Android TV
TV Controls
Controls Picture
In The Box
In The Box Picture
Misc
Power Consumption
57 W
49 W
Power Consumption (Max)
196 W
185 W
Firmware
V8-T615T02-LF1V283.000808
V8-R51MT08-LF1V058.021060
Check Price
43"
43"
43Q550G
SEARCH
Amazon.com
50"
50"
50Q550G
SEARCH
Amazon.com
55"
55Q750G
SEE PRICE
BestBuy.com
55"
55Q550G
SEARCH
Amazon.com
65"
65Q750G
SEE PRICE
BestBuy.com
65"
65Q550G
SEARCH
Amazon.com
75"
75Q750G
SEE PRICE
Amazon.com
75"
85"
85Q750G
SEE PRICE
BestBuy.com
85"
TCL Q7/Q750G QLED
TCL Q5/Q550G QLED
Comments
TCL Q750G vs TCL Q550G: Main Discussion
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