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TCL 75C645K
Rs.101,290.91

Samsung QN75Q70CAF / QN75Q70CAFXZA
Rs.100,205.94
Model No 75C645K QN75Q70CAF / QN75Q70CAFXZA
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 60 Hz 120 Hz
Viewing Angle 178°/178° 178°/178°
USB
USB Version : 3.0
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, Text Subtitles
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 QLED
HLG : Yes
HDR10 : Yes
HDR10+ : Yes
Film Mode : Yes
4K HDR Pro : Yes
Dolby Vision : Yes
Motion Clarity : Yes
Digital Noise Reduction : Yes
Picture Performance Index : 3100
Dynamic Contrast : Mega
Wide Colour Technology : Quantum Dot
Picture processing : AiPQ 3.0 Engine
Color Management : 20P & 2P Calibration
Video Decoding : H.265 UHD, H.264, MPEG-2
UHD Upscaling : UHD Machine Learning AI SR
Backlight : 4K UHD QLED
HLG : Yes
Film Mode : Yes
AI Upscale : Yes
Picture Quality : Yes
One Billion Color : Yes
Filmmaker Mode : Yes
Smart Calibration : Basic
Contrast : Dual LED
HDR : Quantum HDR
Viewing Angle : Wide Viewing Angle
Contrast Enhancer : Real Depth Enhancer
Picture Engine : Quantum Processor 4K
Ultimate UHD Dimming : Supreme UHD Dimming
Adaptive Picture : Optimized / EyeComfort
HDR 10+ : Yes ( Adaptive / Gaming )
Motion Technology : Motion Xcelerator Turbo+
Brightness / Color Detection : Brightness, Color Detection
Color : 100% Color Volume with Quantum Dot
Audio
Sound Power ( RMS ) : 15 W + 15 W
Auto Volume Control : Yes
Equaliser : Presets
Audio Quality By : ONKYO
Speakers : 2 Way Down
Speaker Type : 2.0 Sound System
Dolby Audio : Dolby AC4, Dolby TrueHD
Processing : Dolby Atmos, DTS Virtual-X, Virtualization & Upmix
Sound Output ( RMS ) : 20 W
Q-Symphony : Yes
Multiroom Link : Yes
Bluetooth Audio : Yes
Sound Mirroring : Yes
Adaptive Sound+ : Yes
Buds Auto Switch : Yes
DTV Sound System : Yes
Object Tracking Sound Lite : Yes
Dual Audio support ( Bluetooth ) : Yes
Speaker Type : 2 Channel
Dolby Decoder : MS12 2 Channel
Connectivity Options
HDMI 2.0 : 3
USB 3.0 : 1
CI Slot : Yes
DLNA 1.5 : Yes
Headphone : Yes
RF In ( F Sat ) : Yes
Bluetooth 5.0 : Yes
Ethernet / LAN : Yes
USB HID Support : Yes
HDMI Quick Switch : Yes
Chromecast & T-Cast : Yes
Digital Audio Out Optical : Yes
RF in ( IEC Terrestrial / Cable ) : Yes
HDCP 2.2 : 2,3
HDMI eARC / ARC : eARC HDMI3
YPbPr : CVBS Optional
Sat: Diseq / Unicable : Yes v.1.0 / ver. I
HDMI Max Resolution : 2160P / 60Hz 422 12Bit
WiFi : Built-in ac/n/g 2.4/5Ghz MIMO
HDMI 2.1 : 4
USB 2.0 : 2
WiFi5 : Yes
Bluetooth 5.2 : Yes
Ethernet / LAN : Yes
Ex-Link ( RS-232C ) : Yes
Anynet+ ( HDMI-CEC ) : Yes
Digital Audio Out ( Optical ) : Yes
HDMI Audio Return Channel : Yes
HDMI ( High Frame Rate ) : 4K 120Hz ( For HDMI 1 / 2 / 3 / 4 )
RF In ( Terrestrial / Cable Input / Satellite Input ) : 1 / 1 ( Common Use For Terrestrial ) / 0
Smart TV Features
Operation System : Android R ( 11.0 )
Smart TV : Android TV
CPU : Quad Core
ROM ( DRAM ) : 2 GB
Netflix : Yes
Disney+ : Yes
YouTube : Yes
HbbTV 2.0.2 : Yes
Google Meet : Yes
Freeview Play : Yes
Works With Alexa : Yes
Google Play Store : Yes
Amazon Prime Video : Yes
Google Assistant* Built In : Yes
Hands-Free Voice Control : Yes
4K : Netflix, YouTube, Amazon Prime, AppleTV+ & More
Unlimited Content : Netflix , Disney+ , Amazon Prime, YouTube , HBO GO, Spotify, Twitch, Kodi, Plex, Google play movies, Hulu, Rakuten, Canal+ and so many others…
Operating System : Tizen™ Smart TV
TV Plus : Yes
Tap View : Yes
Music Wall : Yes
Workspace : Yes
Easy Setup : Yes
App Casting : Yes
Media Home : Yes
Wireless Dex : Yes
SmartThings : Yes
Web Browser : Yes
Ambient Mode+ : Yes
Samsung Health : Yes
Mobile Camera Support : Yes
Far-Field Voice Interaction : Yes
SmartThings Hub / Matter Hub / IoT-Sensor Funtionality : Yes
Built-in Voice Assistant : Alexa
Web Service : Microsoft 365
Chat Together : Yes ( US Only )
ConnecTime : Yes ( US Only )
Universal Guide : Yes ( US Only )
Multi View : Up To 2 Videos
Telemedicine : HealthTap ( US Only )
Works With AI Speaker : Alexa, Google Assistant
NFT : Nifty Gateway, La Collection, Art Token, Savage
Multi Device Experience : TV To Mobile, Mobile To TV, TV Initiate Mirroring, TV Sound To Mobile, Sound Mirroring, Wireless TV On
Bixby : US English, UK English, India English, Korean, French, German, Italian, Spanish, BR Portuguese ( Features Vary By Language )
Other Features
Design : Bezel-Less Ultra Slim Design : Premium & Elegant Frameless Design
Main Color : Brushed Titanium Metal Front
Stand Type : Dual Stand Position
Stand Design : Y-Shape 2 Position
Teletext : Yes
Game Bar : Yes
Sleep Timer : Yes
Sports Mode : Yes
Aiming Aid : Yes
Game Master : Yes
AMD FreeSync : Yes
Analogue Tuner : Yes
Caption ( Subtitle ) : Yes
USB HID Support : Yes
Auto Channel Search : Yes
Game Accelerator 120 Hz : Yes
Auto Low Latency Mode ( ALLM ) : Yes
Smartphone / Tablet Remote Support : Yes
Multipicture : PAT
Game Mode : Auto
EPG ( DVB EIT / SI ) : Up To 8 Days
CI+ : Yes ( 1.4, ECP )
DTV Tuner : DVB-T2 / C / S2
Analogue Tuner Systems : PAL / SECAM / NTSC ( AV ) BG / DK / I / LL
OSD Languages : 59 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
Design : AirSlim Design
Bezel Type : 3 Bezel-Less
Stand Type : Slim Simple Plus
Slim Type : Slim Look
Front Color : Black
Stand Color : Black
EPG : Yes
HGiG : Yes
V-Chip : Yes
Light-Sync : Yes
Analog Tuner : Yes
MBR Support : Yes
Game Bar 3.0 : Yes
ConnectShare™ : Yes
Mini Map Zoom : Yes
Surround Sound : Yes
Dynamic Black EQ : Yes
Caption ( Subtitle ) : Yes
Game Motion Plus : Yes
Auto Game Mode ( ALLM ) : Yes
Super Ultra Wide Game View : Yes
Zigbee / Thread Module : Built-in
Remote Controller Code No. : BN59-01432A
Digital Broadcasting : ATSC / ClearQAM
Motor Impaired Support : Slow Button Repeat
FreeSync : FreeSync Premium Pro
Gaming Hub : Yes ( KR, US, CA, BR, GB, FR, DE, IT, ES )
Accessibility - Learn TV Remote / Learn Menu Screen : US English, Mexico Spanish, Canada French
Low Vision Support : Zoom Menu and Text, High Contrast, SeeColors, Color Inversion, Grayscale, Picture Off, Magnification
Hearing Impaired Support : Multi-output Audio, Caption Position, Sign Language Zoom, Separate Closed Caption, Sign Language Guide, Auto Caption Position
Accessibillity - Voice Guide : US English, Mexico Spanish, Canada French, Finnish, German, Greek, Hungarian, Italian, Norwegian, Polish, Portugal Portuguese, Romanian, Slovak, Swedish, Czech, Danish, Dutch, Korean
General Details
Power Supply ( Voltage, Hz ) : 220-240V~50Hz
Max Power Consumption : 300 W
On Mode Power Demand In SDR ( X1 ) : 140 W
Power Demand In HDR ( X1 ) : 280 W
Standby Mode Power Demand : 0.5 W
Weight Without Stand : 24.00 Kg
Weight With Stand : 23.50 Kg
Packaging Weight : 34.10 Kg
EEI Class SDR ( X1 ) : G
EEI Class HDR ( X1 ) : G
Auto Power Off : Yes
Lead Presence : Yes
Peak Luminance Ratio : 65 %
Vesa Size : 300 mm X 300 mm
Power Requirements : AC110-120V~ 50/60Hz
Power Consumption Max : 310 W
Typical Power Consumption : 84 W
Power Consumption Standby : 0.5 W
Eco Sensor : Yes
Auto Power Off : Yes
Auto Power Saving : Yes
Weight Without Stand : 33.38 Kg
Weight With Stand : 34.69 Kg
Weight Of Package Carton : 44.99 Kg
VESA Wall Mount Compatibility : 400 mm X 400 mm
Supplied Accessories
Remote Control : RC833
Batteries : Yes
User Manual : Yes
Remote Control : TM2360E
E-Manual : Yes
Batteries : Yes
Power Cable : Yes
User Manual : Yes
Slim Fit Cam Support : Yes
Vesa Wall Mount Support : Yes
Slim Fit Wall-Mount Support : Yes
Full Motion Slim Wall Mount Support ( Y22 ) : Yes

Compare TCL 75C645K with:

Compare Samsung QN75Q70CAF / QN75Q70CAFXZA with:

Key Differences

Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. TCL 75C645K and Samsung QN75Q70CAF / QN75Q70CAFXZA offer different motion rates (60 Hz vs 120 Hz), which can impact smoothness during fast-moving scenes like sports and gaming. Both TVs come with smart platforms that support popular streaming apps and voice control features. Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability. If you're comparing TCL 75C645K and Samsung QN75Q70CAF / QN75Q70CAFXZA, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. Both models support 4K 3840 x 2160 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience.

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