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Comparison between TCL 75R617 vs TCL 55R635

General Info
Model Number TCL 75R617 TCL 55R635
Price
Type TV TV
Year 2019 2020
Brand TCL TCL
Model Series R6 R635
Model Number 75R617 55R635
Alias 75R615
Display
Screen Size Class 75" (inches) 55" (inches)
Diagonal Size 74.53 in
189.3 cm
1893 mm
6.21 ft
54.65 in
138.8 cm
1388 mm
4.55 ft
Screen Width 64.97 in
165 cm
1650.24 mm
5.41 ft
47.62 in
121 cm
1209.6 mm
3.97 ft
Screen Height 36.55 in
92.8 cm
928.26 mm
3.05 ft
26.79 in
68 cm
680.4 mm
2.23 ft
Display Type VA VA
Display Bit Depth 10 bits (8 bits + FRC) 10 bits
Frame Rate Control Yes
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 0.315 mm
Screen Pixel Density 59 ppi 80 ppi
Screen-to-Body Ratio 94.53 % 93.99 %
Backlight Source Direct LED (Full-Array Local Dimming) Mini LED
DCI P3 90%
Rec.2020 70
Screen Brightness 600 cd/m²
Max Screen Brightness 900 cd/m²
Static Screen Contrast 5500 : 1
Screen Horizontal Viewing Angle 178 ° 178 °
Screen Vertical Viewing Angle 178 ° 178 °
Screen Input Lag 9.3 ms
Display Coating Glossy
HDR HDR10
Dolby Vision
HDR10
HLG (Hybrid Log Gamma)
Dolby Vision
3D No No
Size, weight, color
Case Depth 3.5 in
8.9 cm
88.9 mm
0.29 ft
2.8 in
7.1 cm
71.12 mm
0.23 ft
Case Weight 35.5 kg
78 lbs
19.01 kg
42 lbs
Case Width with Stand 66.1 in
167.9 cm
1678.94 mm
5.51 ft
48.3 in
122.7 cm
1226.82 mm
4.03 ft
Case Height with Stand 40.71 in
103.4 cm
1034 mm
3.39 ft
31.1 in
79 cm
789.94 mm
2.59 ft
Case Depth with Stand 15.9 in
40.4 cm
403.86 mm
1.33 ft
13.7 in
34.8 cm
347.98 mm
1.14 ft
Case Weight with Stand 36 kg
79 lbs
19.82 kg
44 lbs
Case Color Black Black
Hardware
CPU Cores 2 4
GPU Cores 2 2
TV Tuner Analog (NTSC/PAL/SECAM)
Clear QAM
ATSC
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)
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)
Wi-Fi Direct
2x2 MiMO
Connectivity 3 x HDMI 2.0 (ARC; CEC)
1 x Satellite In (Main; 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 (max 0.5 A)
1 x Ethernet RJ45
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
Audio
Audio Speakers 2 x 15W 2 x 8W
Features
OS Roku TV Roku TV
Cool Features HDR Pro Gamma
iPQ Engine
Wide Color Gamut
Contrast Control Zones
HDCP (High-bandwidth Digital Content Protection) 2.2
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
Ergonomics
Case Width 66.1 in
167.9 cm
1678.94 mm
5.51 ft
48.3 in
122.7 cm
1226.82 mm
4.03 ft
Case Height 38 in
96.5 cm
965.2 mm
3.17 ft
28.1 in
71.4 cm
713.74 mm
2.34 ft
Vesa Mount Support Yes Yes
VESA Interface Standard Size 300 x 300 300 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 60 Hz 48 Hz - 120 Hz
Screen Interpolation Technology Clear Motion Index Natural Motion
Screen Interpolation Value 120 480
Screen Interpolation Measurement Unit CMI NM
Accessories
Extras Remote control - RC280 (75R615)
Remote control - RC580 (75R617)
Voice-Enabled Remote Control - RC580
Certificates and Standards
Licenses RoHS
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 75R617 TCL 55R635