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TCL 55C735
Rs.82,737.18

TCL 55R646-CA
Rs.82,740.67
Model No 55C735 55R646-CA
TV Type Smart TV Smart TV
Screen Size 55 Inch (139 cm) 55 Inch (139 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 : WMA, MP3
Supported Video Formats : AVI, WMV, MP4 ( H.265.H.264, VP9, AV1,… ), MPG, TS, MKV, WebM, VP9
Supported Picture Formats : HEIF, JPG, PNG, BMP
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 QLED
Digital Noise Reduction : Yes
Film Mode : Yes
Sports Mode : Yes
HDR Premium : Yes
Micro Dimming : Yes
Picture Performance Index : 3600
Dynamic Contrast : Mega
Wide Color Technology : Quantum Dot
Picture Engine : AiPQ 2.0 Engine
Motion Clarity : 120 Hz Supreme
Smart HDR : Dynamic Tone Mapping
UHD Upscaling : UHD SR Neural Networks
Color Management : 3D LUT, 10P & 2P Calibration
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 ) : 2 X 10 W
Music Mound Power : 2 X 20 W
Auto Volume Control : Yes
Equaliser : 7 Band
Speakers : Full Range
Speaker Type : Down Firing
Dolby : Dolby AC4, Dolby TrueHD
Processing : Dolby Atmos, Virtualization & Upmix
Audio Output ( RMS ) : 15 W + 15 W
Dolby Processing : Dolby Atmos
Audio Passthrough : Dolby Atmos / Dolby Digital Plus / Dolby Digital
Connectivity Options
HDMI : 4
USB ( 2.0 ) : 1
RF In ( F Sat ) : 1
CI ( Slot ) / Type : 1
RF In ( IEC Terrestial / Cable ) : 1
Ethernet Or LAN RJ-45 : Yes
HDMI 4 x 2.1 : Yes
Digital Audio Out Optical : Yes
Headphone : Yes
Bluetooth SBC / 5.2 : Yes
HDCP 2,3 : Yes
Sat : Diseq - SCD : Yes v.2.2 / Yes
WiFi : Built-I ac / n / g 2.4 / 5Ghz MIMO
HDMI Max Resolution : 2160P / 120Hz 444 12bit, ( 2160P / 144Hz 444 10bit )
HDMI 2.1 : 4 ( 2 Ports With HDMI 2.1 Supports Up To 4k/120Hz. 1 Port With 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
Smart TV : Android TV ( 29 Languages )
HbbTV 2.0.2 : Yes
Web Browser : Yes
Social : NA
CPU : Quad Core
WiFi Sharing : Chromecast & T-cast
AI Google Assistant : Google Assistant Hands Free
AI Amazon Alexa : Works with Alexa DE / FR / IT / UK
Smart Home : TCL Home, Google Home, Matter
4K : Netflix, YouTube, Amazon Prime, AppleTV+ & More
Smart Platform : 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
Teletext : Yes
Analogue Tuner : Yes
Auto Channel Search : Yes
Caption ( Subtitle ) : Yes
USB Channel List Clone : Yes
HDMI Quick Switch : Yes
DLNA 1.5 : Yes
USB HID Support : Yes
Sleep Timer : Yes
HDMI CEC ( T-Link ) : Full
Game Mode : Auto
CI+ : Yes ( 1.4, ECP )
DTV Tuner : DVB-T2/C/S2
EPG ( DVB EIT / SI ) : Up To 8 Days
Analogue Tuner Systems : PAL / SECAM / NTSC ( AV ) BG / DK / I / LL
USB Multimedia Browser : Video Up To 4K : AVI, WMV, MP4 ( H.265.H.264, VP9, …), MPG, TS, MKV, WebM, VP9, Audio: WMA, MP3, Pictures: HEIF, JPG, PNG, BMP, Text subtitles
OSD Languages : 29 Albanian, Bulgarian, Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, German, Greek, Hungarian, Italian, Latvian, Lithuanian, Macedonian, Norwegian, Polish, Portuguese, Romanian, Russian, Serbian, Slovak, Slovenian, Spanish, Swedish, Turkish, Ukrainian
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 ) : 220-240V~50Hz
Power Consumption Standby : 0.29 W
Auto Power Off : Yes
Peak Luminance Ratio : 65%
Weight Without Stand : 10.60 Kg
VESA Walll Mount Pattern : 300 mm X 300 mm
Power Supply (Voltage, Hz) : AC 100V-240V 50/60Hz
Annual Power Consumption : 258 kWh/Y
Power Consumption Standby : <0.5 W
Weight Without Stand : 19.18 Kg
Weight With Stand : 19.59 Kg
Packaging Weight : 25.80 Kg
VESA Walll Mount Pattern : 300 mm X 300 mm
Supplied Accessories
Remote Control : RC902V1 + RC802NU1
Batteries : Yes
Stand Type : Fixed
Remote Control : Voice Enabled Remote Control RC902N
2 AAA Batteries : Yes
Screw Size : M6 X 20
Power Cord Type : Detachable
Warranty Info / Quick Start Guide (QSG) : Yes English

Compare TCL 55C735 with:

Compare TCL 55R646-CA with:

Key Differences

Both TVs come with smart platforms that support popular streaming apps and voice control features. From a practical standpoint, both options provide a reliable viewing experience for most users. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. TCL 55C735 and TCL 55R646-CA differ in resolution (4K 3840 x 2160 vs UHD), which can affect overall clarity and sharpness of the display. Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. Audio output differs between the two (2 X 10 W vs 15 W + 15 W), which can influence overall sound clarity and loudness. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. TCL 55C735 and TCL 55R646-CA are two competitive smart TVs offering a mix of display performance, smart features, and overall value for different types of users.

Verdict: Both TVs are strong contenders, and your final choice should depend on your preference for screen size, motion performance, and smart features.