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- Table of Contents
- Top
- Main Differences
- Design
- Picture Quality
- Motion
- Inputs
- Sound Quality
- Smart Features
- Comments
TCL Q6/Q650G QLED vs TCL S4/S450G
Side-by-Side Comparison
Products
TCL Q6/Q650G QLED
TCL S4/S450G
Tested using Methodology v1.11
Updated Nov 27, 2024 09:25 PM
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Amazon.comTested using Methodology v1.11
Updated Oct 04, 2024 12:43 PM
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Amazon.com
Resolution4k
TypeLED
Sub-TypeVA
Resolution4k
TypeLED
Sub-TypeVA
Variants
- 55Q650G (55")
- 65Q650G (65")
- 75Q650G (75")
- 85Q650G (85")
- 43S450G (43")
- 50S450G (50")
- 55S450G (55")
- 65S450G (65")
- 75S450G (75")
- 85S450G (85")
Our Verdict
TCL Q6/Q650G QLED
TCL S4/S450G
The TCL Q6/Q650G QLED significantly improves over the lower-end TCL S4/S450G. The Q6 delivers much better picture quality overall and looks better in bright rooms thanks to its higher peak brightness. HDR also looks better on the Q6 thanks to its higher peak brightness and wide color gamut. Finally, the Q6 is better for gaming thanks to the addition of VRR support, ensuring a nearly tear-free gaming experience.
Check Price
43"
43"
43S450G
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50"
50S450G
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55Q650G
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55S450G
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65Q650G
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65S450G
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75Q650G
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75S450G
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85Q650G
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85S450G
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Finding storeMain Differences forMixed Usage
Mixed Usage
Threshold
Mixed Usage
7.2
6.7
SDR Brightness
8.0
5.1
HDR Brightness
7.6
5.1
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 200x200
Borders
Borders Picture
Borders
0.33" (0.8 cm)
0.31" (0.8 cm)
Thickness
Thickness Picture
Max Thickness
3.26" (8.3 cm)
3.19" (8.1 cm)
Build Quality
6.5
6.0
Build quality picture
Picture Quality
Contrast
7.0
7.0
Contrast Picture
Contrast
8,085 : 1
8,300 : 1
Native Contrast
8,085 : 1
8,300 : 1
Blooming
10
10
Blooming Photo
Lighting Zone Transitions
10
10
Preferred LD Video, Moving Object
Local Dimming
No
No
Backlight
Direct
Direct
Dimming Zones Count Of Tested TV
N/A
N/A
Contrast And Dark Details In Game Mode
8.0
7.5
Blooming Photo In Game Mode
Preferred LD Video, Moving Object In Game Mode
Game Transitions With VRR And Preferred LD
HDR Brightness
7.6
5.1
HDR Hallway Photo
HDR Cityscape Photo
HDR Landscape Photo
Hallway Lights (~1950 cd/m²)
478 cd/m²
211 cd/m²
Yellow Skyscraper (~700 cd/m²)
415 cd/m²
194 cd/m²
Landscape Pool (~300 cd/m²)
295 cd/m²
133 cd/m²
Peak 2% Window
497 cd/m²
248 cd/m²
Peak 10% Window
497 cd/m²
250 cd/m²
Peak 25% Window
497 cd/m²
250 cd/m²
Peak 50% Window
497 cd/m²
250 cd/m²
Peak 100% Window
497 cd/m²
250 cd/m²
Sustained 2% Window
496 cd/m²
248 cd/m²
Sustained 10% Window
496 cd/m²
250 cd/m²
Sustained 25% Window
496 cd/m²
250 cd/m²
Sustained 50% Window
496 cd/m²
250 cd/m²
Sustained 100% Window
496 cd/m²
250 cd/m²
Automatic Brightness Limiting (ABL)
0.000
0.001
HDR Brightness In Game Mode
7.6
5.1
HDR Hallway Photo
HDR Cityscape Photo
HDR Landscape Photo
Hallway Lights (~1950 cd/m²)
475 cd/m²
216 cd/m²
Yellow Skyscraper (~700 cd/m²)
378 cd/m²
185 cd/m²
Landscape Pool (~300 cd/m²)
285 cd/m²
141 cd/m²
Peak 2% Window
496 cd/m²
251 cd/m²
Peak 10% Window
496 cd/m²
253 cd/m²
Peak 25% Window
496 cd/m²
253 cd/m²
Peak 50% Window
496 cd/m²
253 cd/m²
Peak 100% Window
496 cd/m²
253 cd/m²
Sustained 2% Window
495 cd/m²
251 cd/m²
Sustained 10% Window
495 cd/m²
253 cd/m²
Sustained 25% Window
495 cd/m²
253 cd/m²
Sustained 50% Window
495 cd/m²
253 cd/m²
Sustained 100% Window
495 cd/m²
253 cd/m²
Automatic Brightness Limiting (ABL)
0.000
0.001
PQ EOTF Tracking
9.3
8.2
PQ EOTF Graph
600 Nit Tracking Delta
0.0047
0.0116
1000 Nit Tracking Delta
0.0046
0.0115
4000 Nit Tracking Delta
0.0045
0.0114
SDR Brightness
8.0
5.1
Real Scene Peak Brightness
401 cd/m²
177 cd/m²
Peak 2% Window
490 cd/m²
248 cd/m²
Peak 10% Window
486 cd/m²
246 cd/m²
Peak 25% Window
484 cd/m²
245 cd/m²
Peak 50% Window
482 cd/m²
244 cd/m²
Peak 100% Window
481 cd/m²
244 cd/m²
Sustained 2% Window
488 cd/m²
247 cd/m²
Sustained 10% Window
484 cd/m²
245 cd/m²
Sustained 25% Window
482 cd/m²
245 cd/m²
Sustained 50% Window
481 cd/m²
244 cd/m²
Sustained 100% Window
480 cd/m²
244 cd/m²
Automatic Brightness Limiting (ABL)
0.001
0.001
Color Gamut
8.0
6.8
Wide Color Gamut
Yes
No
Color Gamut DCI-P3 Picture
DCI P3 xy
88.47%
74.50%
DCI P3 uv
94.19%
81.52%
Color Gamut Rec.2020 Picture
Rec 2020 xy
64.58%
53.81%
Rec 2020 uv
71.32%
60.58%
Color Volume
7.4
5.9
P3 Color Volume ITP Picture
1,000 cd/m² DCI P3 Coverage ITP
65.3%
42.4%
2020 Color Volume ITP Picture
10,000 cd/m² Rec 2020 Coverage ITP
29.1%
18.4%
White Luminance
497 cd/m²
248 cd/m²
Red Luminance
106 cd/m²
50 cd/m²
Green Luminance
357 cd/m²
187 cd/m²
Blue Luminance
36 cd/m²
19 cd/m²
Cyan Luminance
392 cd/m²
201 cd/m²
Magenta Luminance
142 cd/m²
63 cd/m²
Yellow Luminance
462 cd/m²
228 cd/m²
Pre Calibration
4.9
6.0
Pre White Balance Picture
Pre Gamma Curve Picture
Pre Color Picture
White Balance dE
7.17
4.56
Color dE
3.66
3.41
Gamma
2.01
2.17
Color Temperature
6,554 K
7,612 K
Picture Mode
Movie
Movie
Color Temp Setting
Warm
Warm
Gamma Setting
2.2
2.2
Post Calibration
9.0
9.2
Post White Balance Picture
Post Gamma Curve Picture
Post Color Picture
White Balance dE
1.61
1.21
Color dE
1.18
0.99
Gamma
2.28
2.18
Color Temperature
6,510 K
6,618 K
White Balance Calibration
20 point
20 point
Color Calibration
Yes
Yes
Gray Uniformity
7.0
7.2
50% Uniformity Picture
50% Std. Dev.
4.972%
3.123%
50% DSE
0.195%
0.213%
5% Uniformity Picture
5% Std. Dev.
0.621%
0.843%
5% DSE
0.114%
0.091%
Black Uniformity
9.8
7.3
Black Uniformity Picture With Preferred Local Dimming
Std. Dev.
N/A
N/A
Native Black Uniformity Picture
Native Std. Dev.
0.442%
1.102%
Viewing Angle
5.6
4.9
Viewing Angle Video
Chroma Graph
Color Washout
26°
22°
Hue Graph
Color Shift
45°
18°
Lightness Graph
Brightness Loss
30°
31°
Black Level Raise
17°
14°
Gamma Shift
18°
13°
Reflections
7.1
7.5
Reflections Picture
Average Room Off Picture
Bright Room Off Picture
Screen Finish
Semi-gloss
Semi-gloss
Total Reflections
5.8%
5.1%
Indirect Reflections
0.7%
0.5%
Calculated Direct Reflections
5.1%
4.6%
HDR Native Gradient
7.0
6.5
HDR Gradient Picture
100% Black to 50% Gray
4.0
4.0
50% Gray to 100% White
8.0
6.0
100% Black to 50% Red
6.0
6.0
50% Red to 100% Red
10
10
100% Black to 50% Green
6.0
6.0
50% Green to 100% Green
8.0
6.0
100% Black to 50% Blue
6.0
6.0
50% Blue to 100% Blue
8.0
8.0
Low-Quality Content Smoothing
5.6
6.0
Low-Quality Content Smoothing Picture
Smoothing
5.0
6.0
Detail Preservation
7.0
6.0
Upscaling: Sharpness Processing
5.0
6.0
Sharpness Picture - 480p
Pixels
Pixels Picture
Subpixel Layout
BGR
BGR
Type
LED
LED
Sub-Type
VA
VA
Motion
Response Time
7.4
6.5
Motion Blur Picture
Response Time Chart
80% Response Time
6.2 ms
7.5 ms
100% Response Time
14.7 ms
16.3 ms
Flicker-Free
2.1
2.1
Backlight chart
Flicker-Free
No
No
PWM Dimming Frequency
150 Hz
150 Hz
Black Frame Insertion (BFI)
BFI Picture
BFI Frequency Picture
Optional BFI
No
No
Min Flicker For 60 fps
150 Hz
150 Hz
60Hz For 60 fps
No
No
120Hz For 120 fps
N/A
N/A
Min Flicker for 60 fps in Game Mode
150 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)
No
No
Stutter
7.7
7.9
Frame Hold Time @ 24 fps
27.0 ms
25.4 ms
Frame Hold Time @ 60 fps
2.0 ms
0.4 ms
24p Judder
7.8
7.8
Judder-Free 24p
Yes
Yes
Judder-Free 24p via 60p
No
No
Judder-Free 24p via 60i
No
No
Judder-Free 24p via Native Apps
Yes
Yes
Variable Refresh Rate
8.2
0.0
Native Refresh Rate
60 Hz
60 Hz
Variable Refresh Rate
Yes
No
HDMI Forum VRR
Yes
No
FreeSync
Yes
No
G-SYNC Compatible
Yes
No
4k VRR Maximum
60 Hz
N/A
4k VRR Minimum
48 Hz
No VRR support
1080p VRR Maximum
120 Hz
N/A
1080p VRR Minimum
< 20 Hz
No VRR support
1440p VRR Maximum
120 Hz
N/A
1440p VRR Minimum
< 20 Hz
No VRR support
VRR + Local Dimming
No Local Dimming
No Local Dimming
Inputs
Input Lag
9.7
9.7
1080p @ 60Hz
10.9 ms
11.2 ms
1080p @ 60Hz Outside Game Mode
111.9 ms
112.1 ms
1080p @ 120Hz
6.7 ms
N/A
1080p @ 144Hz
N/A
N/A
1440p @ 60Hz
10.8 ms
11.0 ms
1440p @ 120Hz
6.4 ms
N/A
1440p @ 144Hz
N/A
N/A
4k @ 60Hz
10.3 ms
10.7 ms
4k @ 60Hz + 10-Bit HDR
10.3 ms
10.7 ms
4k @ 60Hz @ 4:4:4
10.3 ms
10.8 ms
4k @ 60Hz Outside Game Mode
94.7 ms
93.9 ms
4k @ 60Hz With Interpolation
94.7 ms
95.1 ms
4k @ 120Hz
N/A
N/A
4k @ 144Hz
N/A
N/A
8k @ 60Hz
N/A
N/A
Supported Resolutions
8.2
7.1
Resolution
4k
4k
480p @ 59.94Hz (Widescreen)
Yes
Yes
720p @ 59.94Hz
Yes
Yes
1080p @ 60Hz @ 4:4:4
Yes
Yes
1080p @ 120Hz
Yes
No
1080p @ 144Hz
No
No
1440p @ 60Hz
Yes (forced resolution required)
Yes
1440p @ 120Hz
Yes
No
1440p @ 144Hz
No
No
4k @ 60Hz
Yes
Yes
4k @ 60Hz @ 4:4:4
Yes
Yes
4k @ 120Hz
No
No
4k @ 120Hz @ 4:4:4
No
No
4k @ 144Hz
No
No
8k @ 30Hz or 24Hz
No
No
8k @ 60Hz
No
No
PS5 Compatibility
PS5 Screenshot
Auto Low Latency Mode (ALLM)
Yes
Yes
4k @ 120Hz
No
No
1440p @ 120Hz
Yes
No
1080p @ 120Hz
Yes
No
HDR
Yes
Yes
VRR
Yes
No
Xbox Series X|S Compatibility
Xbox Series X Screenshot
Auto Low Latency Mode (ALLM)
Yes
Yes
4k @ 120Hz
No
No
1440p @ 120Hz
Yes
No
1080p @ 120Hz
Yes
No
HDR
Yes
Yes
VRR
Yes
No
Inputs Specifications
HDR10
Yes
Yes
HDR10+
Yes
No
Dolby Vision
Yes
Yes
HLG
Yes
Yes
HDMI 2.0 Full Bandwidth
Yes (HDMI 1,2,3)
Yes (HDMI 1,2,3)
HDMI 2.1 Class Bandwidth
No
No
CEC
Yes
Yes
HDCP 2.2
Yes (HDMI 1,2,3)
Yes (HDMI 1,2,3)
ATSC Tuner
1.0
1.0
USB 3.0
Yes (1)
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
3
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
No
No
eARC: DTS-HD Master Audio 7.1
No
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
5.7
5.9
Frequency Response
Low-Frequency Extension
142.54 Hz
160.00 Hz
Std. Dev. @ 70
5.75 dB
4.56 dB
Std. Dev. @ 80
5.85 dB
4.55 dB
Std. Dev. @ Max
6.30 dB
5.24 dB
Max
90.0 dB SPL
89.8 dB SPL
Dynamic Range Compression
2.87 dB
3.24 dB
Distortion
7.2
6.8
Total Harmonic Distortion
Weighted THD @ 80
0.030
0.067
Weighted THD @ Max
0.194
0.658
IMD @ 80
2.56%
2.05%
IMD @ Max
24.90%
21.75%
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
42 W
37 W
Power Consumption (Max)
182 W
78 W
Firmware
V8-R51MT08-LF1V049.021060
V8-R51MT08-LF1V053.021057
Check Price
43"
43"
43S450G
Searching
Finding store50"
50"
50S450G
Searching
Finding store55"
55Q650G
Searching
Finding store55"
55S450G
Searching
Finding store65"
65Q650G
Searching
Finding store65"
65S450G
Searching
Finding store75"
75Q650G
Searching
Finding store75"
75S450G
Searching
Finding store85"
85Q650G
Searching
Finding store85"
85S450G
Searching
Finding store
TCL Q6/Q650G QLED
TCL S4/S450G
Comments
TCL Q6/Q650G QLED vs TCL S4/S450G: Main Discussion
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