| Model No |
75R635-CA |
75R646-CA |
| TV Type |
Smart TV |
Smart TV |
| Screen Size |
75 Inch (191 cm) |
75 Inch (191 cm) |
| Resolution |
4K 3840 x 2160 |
4K 3840 x 2160 |
| Aspect Ratio |
16:9 |
16:9 |
| Motion Rate |
120 Hz |
120 Hz |
| Viewing Angle |
178°/178° |
178°/178° |
| USB |
| USB Version |
: 2.0 |
| Supported Audio Formats |
: MP3, AC3, AAC, AC4 |
| Supported Video Formats |
: AVI, DIV, MPEG-4, MPEG-H, MP4, VC-1, VP8, PP9 |
| Supported Picture Formats |
: JPEG, PNG ,BMP, HEIF |
|
| USB Version |
: 2.0 |
| Supported Audio Formats |
: MP3, AC3, AAC, AC4 |
| Supported Video Formats |
: AVI, DIV, MPEG-4, MPEG-H, MP4, VC-1, VP8, PP9 |
| Supported Picture Formats |
: JPEG, PNG ,BMP, HEIF |
|
| Video |
| Backlight |
: 4K HDR Mini-LED QLED TV |
| HDR10 |
: Yes |
| HLG |
: Yes |
| Dolby Vision |
: Yes |
| Natural Motion |
: 480 |
| Resolution |
: UHD |
| Contrast Control Zones |
: 240 zones |
| Display Colors |
: 1.07 Billion |
| Picture Engine |
: AiPQ Engine |
|
| Backlight |
: 4K HDR Mini-LED QLED TV |
| HDR10+ |
: Yes |
| HDR10 |
: Yes |
| HLG |
: Yes |
| Dolby Vision |
: Yes |
| Natural Motion |
: 480 |
| Resolution |
: UHD |
| Display Colors |
: 1.07 Billion |
| Picture Engine |
: AiPQ Engine |
|
| Audio |
| Audio Output ( RMS ) |
: 12 W + 12 W |
| Dolby Processing |
: Dolby Atmos / Dolby Digital Plus |
| Audio Passthrough |
: Dolby Atmos / Dolby Digital Plus |
|
| Audio Output ( RMS ) |
: 17 W + 17 W |
| Dolby Processing |
: Dolby Atmos |
| Audio Passthrough |
: Dolby Atmos / Dolby Digital Plus / Dolby Digital |
|
| Connectivity Options |
| HDMI 2.0 |
: 4, ( 1 eARC ) |
| USB 2.0 |
: 1 |
| Ethernet / LAN |
: 1 Yes |
| RF Input ( NTSC, ATSC ) |
: 1 Yes |
| Audio Output ( 3.5 mm ) |
: Yes |
| SPDIF Digital Audio Optical |
: 1 Yes |
| WiFi |
: 802.11ac 2X2 Dual Band ( Supports 2.4GHz & 5GHz ) |
| AV Input |
: Composite Video + L&R Audio In ( Mini 3.5 mm Connector ) |
|
| HDMI 2.1 |
: 4 ( 1 eARC ) |
| USB 2.0 |
: 2 |
| Ethernet / LAN |
: 1 Yes |
| RF Input ( NTSC, ATSC ) |
: 1 Yes |
| Audio Output ( RCA ) |
: Yes |
| Audio Output Headphone |
: 1 Yes |
| SPDIF Digital Audio Optical |
: 1 Yes |
| WiFi 6 |
: 802.11b/g/n/ac/ax 2X2, 2.4 GHz & 5 GHz |
| AV Input |
: Composite Video + L&R Audio In ( Mini 3.5 mm Connector ) |
|
| Smart TV Features |
| Operating System |
: Roku TV |
| Roku Mobile App |
: Yes |
| Auto Game Mode ( ALLM ) |
: Yes |
| THX Certified Game Mode |
: Yes |
| Advanced PQ Setting With Mobile App |
: Yes |
| Easy Voice Control |
: Works With Siri, Alexa, And Hey Google |
| Variable Refresh Rate ( VRR ) |
: VRR / 120Hz ( Variable Refresh Rate From 48Hz To 120 Hz ) |
|
| Operating System |
: Google TV |
| Chromecast Built-In |
: Yes |
| Auto Game Mode ( ALLM ) |
: Yes |
| THX Certified Game Mode |
: Yes |
| Advanced PQ Setting With Mobile App |
: Yes |
| Hands-Free Voice Google Assistant Control |
: Yes |
| Variable Refresh Rate ( VRR ) |
: 48Hz - 120 Hz @ 4K |
| Easy Voice Control |
: Works With Siri, Alexa, And Hey Google |
|
| Other Features |
| Sleep Timer |
: Yes |
| Closed Caption |
: Yes |
| 1 Year Limited Warranty |
: Yes |
| Parental Control ( V-Chip ) |
: Yes |
| Accessible Menu System ( CVAA ) |
: Yes |
| Live TV Pause From Antenna ( Up To 30 Minutes ) |
: Yes |
| Control Buttons |
: One Button |
| Multilingual On-Screen-Display |
: English, Spanish, French |
| Tuner Type |
: ATSC / NTSC / Clear QAM |
| Design |
: Full View Edge-To-Edge Glass Design |
|
| Sleep Timer |
: Yes |
| Closed Caption |
: Yes |
| 1 Year Limited Warranty |
: Yes |
| Parental Control ( V-Chip ) |
: Yes |
| Accessible Menu System ( CVAA ) |
: Yes |
| Control Buttons |
: One Button |
| Multilingual On-Screen-Display |
: English, Spanish, French |
| Tuner Type |
: ATSC / NTSC / Clear QAM |
| Live TV Pause From Antenna ( Up To 30 Minutes ) |
: Yes ( Compatible With USB Drive ) |
| Design |
: Full View Edge-To-Edge Glass Design |
|
| General Details |
| Power Supply (Voltage, Hz) |
: AC 100V-240V 50/60Hz |
| Annual Power Consumption |
: 525 kWh/Y |
| Power Consumption Standby |
: ＜0.5 W |
| Weight Without Stand |
: 36.01 Kg |
| Weight With Stand |
: 36.78 Kg |
| Packaging Weight |
: 55.29 Kg |
| VESA Walll Mount Pattern |
: 400 mm X 300 mm |
|
| Power Supply (Voltage, Hz) |
: AC 100V-240V 50/60Hz |
| Annual Power Consumption |
: 625 kWh/Y |
| Power Consumption Standby |
: ＜0.5 W |
| Weight Without Stand |
: 37.42 Kg |
| Weight With Stand |
: 38.19 Kg |
| Packaging Weight |
: 55.29 Kg |
| VESA Walll Mount Pattern |
: 400 mm X 300 mm |
|
| Supplied Accessories |
| Remote Control |
: Voice Enabled Remote Control RC580 |
| 2 AAA Batteries |
: Yes |
| Screw Size |
: M6 X 20 |
| Warranty Info / Quick Start Guide (QSG) |
: Yes English |
| Power Cord Type |
: Detachable |
|
| Remote Control |
: Voice Enabled Remote Control RC902N |
| 2 AAA Batteries |
: Yes |
| Screw Size |
: M6 X 20 |
| Warranty Info / Quick Start Guide (QSG) |
: Yes English |
| Power Cord Type |
: Detachable |
|
|
Compare TCL 75R635-CA with:
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Compare TCL 75R646-CA with:
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Audio output differs between the two (12 W + 12 W vs 17 W + 17 W), which can influence overall sound clarity and loudness. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Both TVs come with smart platforms that support popular streaming apps and voice control features. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. In general, both TVs cater to modern entertainment needs, including streaming, gaming, and everyday viewing. Both models support UHD resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. TCL 75R635-CA and TCL 75R646-CA are well-equipped smart TVs that aim to provide a balance of picture quality, performance, and smart capabilities. Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. Verdict: Both TVs are strong contenders, and your final choice should depend on your preference for screen size, motion performance, and smart features.
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