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Comparison between TCL 75R635 vs TCL 75R646

General Info
Model Number TCL 75R635 TCL 75R646
Price
Type TV TV
Year 2020 2021
Brand TCL TCL
Model Series R635 R646
Model Number 75R635 75R646
Display
Screen Size Class 75" (inches) 75" (inches)
Diagonal Size 74.53 in
189.3 cm
1893 mm
6.21 ft
74.53 in
189.3 cm
1893 mm
6.21 ft
Screen Width 64.97 in
165 cm
1650.24 mm
5.41 ft
64.97 in
165 cm
1650.24 mm
5.41 ft
Screen Height 36.55 in
92.8 cm
928.26 mm
3.05 ft
36.55 in
92.8 cm
928.26 mm
3.05 ft
Display Type VA
Display Bit Depth 10 bits 10 bits
Max Number of Colors 1073741824 1073741824
Bits 30 30
Screen Aspect Ratio 16:9 16:9
Screen Resolution 3840 x 2160 3840 x 2160
Screen Pixel Pitch 0.43 mm 0.43 mm
Screen Pixel Density 59 ppi 59 ppi
Screen-to-Body Ratio 95.21 % 95.21 %
Backlight Source Mini LED Mini LED
Screen Horizontal Viewing Angle 178 ° 178 °
Screen Vertical Viewing Angle 178 ° 178 °
Display Coating Glossy Anti-glare/Matte
HDR HDR10
HLG (Hybrid Log Gamma)
Dolby Vision
HDR10
HLG (Hybrid Log Gamma)
Dolby Vision
HDR
HDR10+
3D No No
Size, weight, color
Case Depth 3.6 in
9.1 cm
91.44 mm
0.3 ft
3.6 in
9.1 cm
91.44 mm
0.3 ft
Case Weight 36 kg
79 lbs
37.42 kg
82 lbs
Case Width with Stand 65.8 in
167.1 cm
1671.32 mm
5.48 ft
65.8 in
167.1 cm
1671.32 mm
5.48 ft
Case Height with Stand 41.4 in
105.2 cm
1051.56 mm
3.45 ft
40.8 in
103.6 cm
1036.32 mm
3.4 ft
Case Depth with Stand 15.9 in
40.4 cm
403.86 mm
1.33 ft
13.9 in
35.3 cm
353 mm
1.16 ft
Case Weight with Stand 36.8 kg
81 lbs
38.2 kg
84 lbs
Case Color Black Black
Hardware
CPU Cores 4 4
GPU Cores 2 2
TV Tuner Analog (NTSC/PAL/SECAM)
ATSC
Clear QAM
Analog (NTSC/PAL/SECAM)
ATSC
Clear QAM
Built-in Camera No No
Network LAN
Wi-Fi
802.11a (IEEE 802.11a-1999)
802.11b (IEEE 802.11b-1999)
802.11g (IEEE 802.11g-2003)
802.11n (IEEE 802.11n-2009)
802.11n 5GHz
802.11ac (IEEE 802.11ac)
Wi-Fi Direct
2x2 MiMO
LAN
Wi-Fi
802.11a (IEEE 802.11a-1999)
802.11b (IEEE 802.11b-1999)
802.11g (IEEE 802.11g-2003)
802.11n (IEEE 802.11n-2009)
802.11n 5GHz
802.11ac (IEEE 802.11ac)
802.11ax (IEEE 802.11ax, Wi-Fi 6)
Wi-Fi Direct
Connectivity 4 x HDMI
1 x Satellite In (F-type female)
1 x S/PDIF
1 x 3.5 mm Audio Out
1 x AV Composite In 3.5 mm jack
1 x USB 2.0
1 x Ethernet RJ45
2 x HDMI 2.0
2 x HDMI 2.1
1 x AV Composite In 3.5 mm jack
1 x 3.5 mm Audio Out
1 x S/PDIF
1 x Cable/Antenna In (F-type female)
2 x USB 2.0
1 x Ethernet RJ45
Audio
Audio Speakers 2 x 12W 2 x 17W
Features
OS Roku TV Google TV
Cool Features Auto Game Mode
Contrast Control Zones technology with up to 240 zones
Smart HDR
FullView edge-to-edge glass design
Quantum Dot Color
THX Certified Game Mode
Google Assistant
Easy Voice Control
AiPQ Engine
V-Chip
Smart 4K Upscaling
Alexa
Smart Contrast
V-Chip
Apple TV+
Smart Contrast
Smart 4K Upscaling
YouTube
Smart HDR
Auto Game Mode
HDR Pro Pack
Chromecast built-in
Easy Voice Control
Quantum Dot Color
Netflix
THX Certified Game Mode
Disney+
Contrast Control Zones technology
Alexa
Prime Video
FullView Edge-to-Edge Glass Design
Apple AirPlay
Google Assistant
Ergonomics
Case Width 65.8 in
167.1 cm
1671.32 mm
5.48 ft
65.8 in
167.1 cm
1671.32 mm
5.48 ft
Case Height 37.9 in
96.3 cm
962.66 mm
3.16 ft
37.9 in
96.3 cm
962.66 mm
3.16 ft
Vesa Mount Support Yes Yes
VESA Interface Standard Size 400 x 300 400 x 300
Removable VESA Stand Yes Yes
Height Adjustment No No
Landscape or Portrait Pivot Support No No
Left or Right Swivel Support No No
Forward and Backward Tilt Support No No
Frequency and Interpolation
Vertical Digital Frequency 48 Hz - 120 Hz 48 Hz - 120 Hz
Screen Interpolation Technology Natural Motion Natural Motion
Screen Interpolation Value 480 480
Screen Interpolation Measurement Unit NM NM
Accessories
Extras Voice-Enabled Remote Control - RC580 Voice-Enabled Remote Control - RC902N
Certificates and Standards
Usage and Storage Requirements
Safe Operating Temperature Level 5 °C - 35 °C
41 °F - 95 °F
5 °C - 35 °C
41 °F - 95 °F
Safe Operating Humidity Level 20 % - 80 % 20 % - 80 %
Internal Storage Temperature -15 °C - 45 °C
5 °F - 113 °F
-15 °C - 45 °C
5 °F - 113 °F
Internal Storage Humidity 10 % - 90 % 10 % - 90 %
TCL 75R635 TCL 75R646