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TCL 75S423
Rs.93,914.51

TCL 75C6K-UK
Rs.93,978.94
Model No 75S423 75C6K-UK
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 144 Hz
Viewing Angle 178°/178° 178°/178°
USB
USB Version : 2.0
Supported Audio Formats : AAC, MP3, WMA, WAV ( PCM ), AIFF, FLAC, AC3
Supported Video Formats : MKV (H.264), MP4, MOV ( H.264 ), TS ( H.264 )
Supported Picture Formats : JPEG, PNG, GIF
USB Version : 3.0
Supported Audio Formats : PCM, MPEG1/2/4, AAC, & WMA
Supported Video Formats : MP4, MKV, AVI, MOV & H.264, H.265 ( HEVC ), VP9
Supported Picture Formats : HEIF, JPG, PNG, BMP
Video
Backlight : 4K UHD HDR LED
HDR10 : Yes
Resolution : UHD
Clear Motion Index : 120Hz CMI
Display Colors : 1.07 Billion
Picture Engine : 4K Creative Pro Upscaling Engine
Backlight : 4K UHD QLED QD-Mini LED
HDR : Yes
HLG : Yes
MEMC : Yes
HDR10 : Yes
Ai HDR : Yes
HDR 10+ : Yes
Ai Scene : Yes
Ai Motion : Yes
Ai Clarity : Yes
Ai Colour : Yes
Ai Contrast : Yes
Dolby Vision : Yes
Dolby Vision IQ : Yes
Matte HVA Panel : Yes
Multiple Eye Care : Yes
Ultra-High Contrast : Yes
Quantum Dot Color : Yes
Ultra-Long Lifespan : Yes
Condensed Micro Lens : Yes
HVA Panel Technology : Yes
Ultra-High Colour Gamut : Yes
5x Contrast Enhancement : Yes
Colourful Quantum Crystal : Yes
Powerful Light-Emitting Chip : Yes
4K UHD Deep Learning AI SR : Yes
Super Energy Highlighter Base : Yes
ALD Corrosion-Resistant Technique : Yes
Dynamic Lighting Bionic Algorithm : Yes
Certified By TÜV For Low Blue Light : Yes
Ultra-Wide Colour Gamut : 93% DCI-P3
Picture Engine : AiPQ Pro Processor
System Brightness : HDR High Brightness
Refresh Rate : 100 / 120 / 144Hz / 288Hz FHD
Local Dimming : Precise Dimming Series Up To 312 Zones
Audio
Audio Output ( RMS ) : 2 Channel X 8 W
Dolby Processing : Dolby Digital
Audio Passthrough : Dolby Digital Plus
Sound Output Power ( RMS ) : 2 X 10 W + 20 W
Dolby Atmos : Yes
IMAX Enhanced : Yes
Audio By ONKYO : Yes
DTS Premuim Sound : DTS-X
Sound Channel : ONKYO 2.1 Hi-Fi Sound System
Sound Processing : Dolby Atmo, DTS Virtual:X, Dolby AC4, Dolby TrueHD
Connectivity Options
HDMI 2.0 : 3, w/HDCP 2.2 ( 1 ARC )
USB 2.0 : 1
Ethernet / LAN : 1 Yes
RF Input ( NTSC, ATSC ) : 1 Yes
Audio Output Headphone : 1 Yes
SPDIF Digital Audio Optical : 1 Yes
AV Input : Composite Video + L&R Audio In
Wireless Connection : 802.11ac 2x2 Dual Band ( support 2.4GHz & 5GHz )
HDMI ( 2.1 ) : 4
USB ( 3.0 ) : 1
WiFi 5 : Yes
Miracast : Yes
HDMI CEC : Yes
Ethernet / LAN : Yes
Bluetooth SBC 5.4 : Yes
Enhanced Audio Return Channel : Yes
Digital Audio Output : Optical
HDMI2. 1 ( ARC & eARC ) : HDMI1 eARC
WiFi Sharing : Chromecast & T-Cast
Wifi Technology : 802.11g,Wi-Fi 4 ( 802.11n ),Wi-Fi 5 ( 802.11ac )
Smart TV Features
Operating System : Roku TV
CPU : Dual-core
GPU : Dual-core
Powerful Mobile App : Yes
Advanced PQ Setting With Mobile App : Yes
Operating System : Google TV
Netflix : Yes
YouTube : Yes
AppleTV+ : Yes
Video Chat : Yes
Art Gallary : Yes
Prime Video : Yes
HbbTV 2.0.3 : Yes
HDR Streaming : Yes
Works With Siri : Yes
Google Play Store : Yes
Smartphone Control : Yes
Google Assistant Built-In : Yes
Hands-Free Google Assistant : Yes
Screen Mirroring : Miracast & Google Cast ( Chromecast ) + Airplay 2
Video Apps : Amazon Prime Video, Apple TV, Netflix, YouTube & More..............
Other Features
Closed Caption : Yes
1 Year Limited Warranty : Yes
Parental Control ( V-Chip ) : Yes
Accessible Menu System ( CVAA ) : Yes
Control Buttons : Power/Power/Menu, <,>
Multilingual On-Screen-Display : English, Spanish, French
Signal Format Capability : ATSC / NTSC / Clear QAM
Design : Ultra Slim Design
Main Color : Black
Sleep Timer : Yes
Quick Settings : Yes
Auto Channel Search : Yes
Warranty : 2-Year Warranty
Digital Signal Format System : DVB-C,DVB-S2,DVB-T2
EPG : Yes ( For DTV Programme Only )
Analog Signal Format System : NTSC,PAL,PAL BG,PAL DK,PAL I,PAL L,SECAM,SECAM B/G,SECAM D/K,SECAM L
General Details
Power Supply (Voltage, Hz) : AC 100V-240V 50/60Hz
Annual Power Consumption : 300 kWh/Y
Power Consumption Standby : <0.5 W
Weight Without Stand : 33.52 Kg
Weight With Stand : 34.01 Kg
Packaging Weight : 47.99 Kg
VESA Walll Mount Pattern : 300 mm X 300 mm
Power Supply : AC 100 - 240V, 50 Hz, 60 Hz
On Mode Power Demand In HDR : 238 W
On Mode Power Demand In SDR : 126 W
Power Consumption Standby : 0.5 W
Energy Efficiency ClassFor HDR : G
Energy Efficiency Class For SDR : F
Weight Without Stand : 23.60 Kg
Weight With Stand : 24.10 Kg
Weight With Packaging : 34.60 Kg
VESA Wall Mount Compatible : 300 mm X 300 mm
Supplied Accessories
Remote Control : Roku TV RC280
2 AAA Batteries : Yes
Screw Size : M6 X 25
Quick Start Guide : Yes English
Remote Control : Yes
Power Card : Yes
2N Batteries : Yes
User Manual : Yes
Quick Start Guide : Yes

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Key Differences

Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. TCL 75S423 and TCL 75C6K-UK differ in resolution (UHD vs 4K 3840 x 2160), which can affect overall clarity and sharpness of the display. If you're comparing TCL 75S423 and TCL 75C6K-UK, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. TCL 75S423 and TCL 75C6K-UK offer different motion rates (60 Hz vs 144 Hz), which can impact smoothness during fast-moving scenes like sports and gaming. Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability. 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.

Verdict: Choosing between TCL 75S423 and TCL 75C6K-UK depends on your usage, whether you prioritize display quality, smoother motion, or smart features.