| Model No |
75R646 |
UA75AU7700KXXL |
| 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 |
50 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, FLAC, OGG, WMA, WAV, MIDI, APE, AIFF, ALAC, M4A, MPA, AAC, SVAF, WEBM, RMVB |
| Supported Video Formats |
: AVI, MKV, MP4, ASF, MOV, 3GP, FLV, VRO, VOB, SVI |
| Supported Picture Formats |
: JPG, JPEG, PNG, BMP, MPO |
|
| Video |
| 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 |
|
| Backlight |
: 4K LED |
| Film Mode |
: Yes |
| One Billion Color |
: Yes |
| Auto Motion Plus |
: Yes |
| HDR 10+ Support |
: Yes |
| Contrast Enhancer |
: Yes |
| Filmmaker Mode ( FMM ) |
: Yes |
| Hybrid Log Gamma ( HLG ) |
: Yes |
| High Dynamic Range ( HDR ) |
: Yes |
| Picture Quality Index |
: 2000 PQI |
| Color |
: Pur Color |
| Contrast |
: Mega Contrast |
| Brightness / Color Detection |
: Brightness Detection |
| Picture Engine |
: Crystal Processor 4K |
|
| Audio |
| Audio Output ( RMS ) |
: 17 W + 17 W |
| Dolby Processing |
: Dolby Atmos |
| Audio Passthrough |
: Dolby Atmos / Dolby Digital Plus / Dolby Digital |
|
| Sound Output ( RMS ) |
: 20 W |
| Dolby Digital Plus |
: Yes |
| Q-Symphony |
: Yes |
| Adaptive Sound |
: Yes |
| Bluetooth Audio |
: Yes |
| Sound Mirroring |
: Yes |
| Speaker Type |
: 2 Channel |
|
| Connectivity Options |
| 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 ) |
|
| HDMI |
: 3 |
| USB |
: 1 |
| eARC |
: Yes |
| WiFi Direct |
: Yes |
| Bluetooth 5.2 |
: Yes |
| BT HID Built-In |
: Yes |
| HDMI Quick Switch |
: Yes |
| Bluetooth Low Energy |
: Yes |
| Digital Audio Out ( Optical ) |
: Yes |
| HDMI A / Return Ch. Support |
: Yes |
| Dongle Compatibility ( 3G / LTE / WiFi ) |
: Yes ( India Only ) |
| RF In ( Terrestrial / Cable Input ) |
: 1 / 1 ( Common Use For Terrestrial ) / 0 |
|
| Smart TV Features |
| 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 |
|
| Operating System |
: Tizen™ |
| Gallery |
: Yes |
| Tap View |
: Yes |
| Easy Setup |
: Yes |
| App Casting |
: Yes |
| SmartThings |
: Yes |
| Media Home |
: Yes |
| Wireless Dex |
: Yes |
| Universal Guide |
: Yes |
| TV Sound To Mobile |
: Yes |
| SmartThings App Support |
: Yes |
| Mobile To TV - Mirroring, DLNA |
: Yes |
| Cloud Service |
: Microsoft 365 |
| Works With Alexa |
: Yes ( India Only ) |
| Multi Voice Assistant |
: Yes ( India Only ) |
| Works With Google Assistant |
: Yes ( India Only ) |
| Bixby |
: US English, UK English, India English, Korean, French, German, Italian, Spanish, Portuquese ( Features Vary By Language) |
|
| Other Features |
| 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 |
|
| Design |
: New Bezel-Less Design |
| Bezel Type |
: 3 Bezel-Less |
| Front Color |
: Titan Gray |
| Stand Color |
: Titan Gray |
| Stand Type |
: Slim Feet |
| Slim Type |
: Slim Look |
| EPG |
: Yes |
| TV Key |
: Yes |
| IPv6 Support |
: Yes |
| MBR Support |
: Yes |
| Analog Tuner |
: Yes |
| Teletext ( TTX ) |
: Yes |
| Triple Protection |
: Yes |
| USB HID Support |
: Yes |
| Digital Clean View |
: Yes |
| Analog Clean View |
: Yes |
| Auto Channel Search |
: Yes |
| Connect Share™ ( HDD ) |
: Yes |
| ConnectShare™ ( USB 2.0 ) |
: Yes |
| Auto Game Mode ( ALLM ) |
: Yes |
| Digital Broadcasting |
: DVB-T2 |
| Country of Origin |
: Vietnam |
| Accessibility - Learn TV Remote / Learn Menu Screen |
: UK English |
| Accessibillity - Voice Guide |
: UK English |
| S-Share |
: Yes ( India Only ) |
| OSD Language |
: 22 Local Languages, English |
| Auto Data Backup |
: Yes ( India, Bangladesh, Bhutan, Srilanka, Nepal ) |
| Auto Hotspot Connect |
: Yes ( India, Bangladesh, Bhutan, Srilanka, Nepal ) |
| Tune Station |
: Yes ( India, Bangladesh, Bhutan, Srilanka, Nepal ) |
| Accessibility - Others |
: Enlarge / High Contrast / Color Inversion / Grayscale / Sign Language Zoom / Multi-Output Audio / Slow Button Repeat |
|
| General Details |
| 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 |
|
| Power Requirements |
: AC 220-240 V~ 50/60Hz |
| Power Consumption Max |
: 230 W |
| Eco Sensor |
: Yes |
| Weight Without Stand |
: 30.4 Kg |
| Weight With Stand |
: 30.8 Kg |
| Weight Of Package Carton |
: 41.9 Kg |
| VESA Wall Mount Compatibility |
: 400 mm X 400 mm |
|
| Supplied Accessories |
| 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 |
|
| Remote Control |
: TM2180A |
| Batteries |
: Yes |
| E-Manual |
: Yes |
| Power Cable |
: Yes |
| User Manual |
: Yes |
| Mini Wall Mount Support |
: Yes |
| Vesa Wall Mount Support |
: Yes |
| Optional Stand Support ( Y20 Studio ) |
: Yes |
| Samsung Smart Control ( Included ) |
: Yes |
|
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Compare TCL 75R646 with:
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Compare Samsung UA75AU7700KXXL with:
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Key Differences
TCL 75R646 and Samsung UA75AU7700KXXL are two competitive smart TVs offering a mix of display performance, smart features, and overall value for different types of users. Both TVs come with smart platforms that support popular streaming apps and voice control features. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. TCL 75R646 and Samsung UA75AU7700KXXL differ in resolution (UHD vs 4K 3840 x 2160), which can affect overall clarity and sharpness of the display. In general, both TVs cater to modern entertainment needs, including streaming, gaming, and everyday viewing. TCL 75R646 and Samsung UA75AU7700KXXL offer different motion rates (120 Hz vs 50 Hz), which can impact smoothness during fast-moving scenes like sports and gaming. 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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