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TCL 75Q6C-UK
Rs.93,870.59

TCL 75S423
Rs.93,914.51
Model No 75Q6C-UK 75S423
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 144 Hz 60 Hz
Viewing Angle 178°/178° 178°/178°
USB
USB Version : 3.0, 2.0
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
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
Video
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
HVA Screen : Yes
Dolby Vision : Yes
Micro Dimming : Yes
Dolby Vision IQ : Yes
Matte HVA Panel : Yes
Ultra-Long Lifespan : Yes
Ultra-High Contrast : Yes
Quantum Dot Color : Yes
HVA Panel Technology : Yes
Ultra-High Colour Gamut : Yes
Nano Crystal Technology : Yes
3x Contrast Enhancement : Yes
Colourful Quantum Crystal : Yes
Dynamic Colour Enhancement : Yes
Dynamic Lighting Bionic Algorithm : Yes
Bionic Colour Optimization Technology : Yes
Wide Color Gamut : 93% DCI-P3
Dynamic Contrast : Mega Contrast
Picture Engine : AiPQ Pro Processor
Brightness : HDR High Brightness
Refresh Rate : 100 / 120 / 144Hz / 288Hz FHD
Local Dimming : Precise Dimming Series Up To 512 Zones
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
Audio
Sound Output Power ( RMS ) : 2 X 10 W + 20 W
Dolby Atmos : Yes
IMAX Enhanced : Yes
ONKYO Subwoofer : Yes
Built-In Subwoofer : Yes
DTS Premuim Sound : DTS-X
Sound Channel : ONKYO 2.1 Hi-Fi Sound System
Audio Decoders : DTS Virtual:X, Dolby AC4, Dolby Atmos, Dolby TrueHD
Audio Output ( RMS ) : 2 Channel X 8 W
Dolby Processing : Dolby Digital
Audio Passthrough : Dolby Digital Plus
Connectivity Options
HDMI ( 2.1 ) : 4
USB ( 3.0 + 2.0 ) : 2 ( USB 3.0 X 1, USB 2.0 X 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 )
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 )
Smart TV Features
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..............
Operating System : Roku TV
CPU : Dual-core
GPU : Dual-core
Powerful Mobile App : Yes
Advanced PQ Setting With Mobile App : Yes
Other Features
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
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
General Details
Power Supply : AC 100 - 240V, 50 Hz, 60 Hz
On Mode Power Demand In HDR : 238 W
On Mode Power Demand In SDR : 107 W
Power Consumption Standby : 0.5 W
Energy Efficiency ClassFor HDR : G
Energy Efficiency Class For SDR : E
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
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
Supplied Accessories
Remote Control : Yes
Power Card : Yes
2N Batteries : Yes
User Manual : Yes
Quick Start Guide : Yes
Remote Control : Roku TV RC280
2 AAA Batteries : Yes
Screw Size : M6 X 25
Quick Start Guide : Yes English

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Key Differences

Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability. If you're comparing TCL 75S423 and TCL 75Q6C-UK, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. 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 75Q6C-UK differ in resolution (UHD vs 4K 3840 x 2160), which can affect overall clarity and sharpness of the display. 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. TCL 75S423 and TCL 75Q6C-UK offer different motion rates (60 Hz vs 144 Hz), which can impact smoothness during fast-moving scenes like sports and gaming.

Verdict: Both models offer good value, and the better option depends on your specific requirements and viewing preferences.