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TCL 75S450R-CA
Rs.90,209.19

TCL 75QM7K
Rs.89,933.50
Model No 75S450R-CA 75QM7K
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, 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 DLED
HDR 10 : Yes
Dolby Vision : Yes
HDR PRO : Yes
Backlight Type : Standard
LED Type : Direct LED
Display Colors : 16.9 Million
Motion Enhancement Technology : Motion Rate 120
Description : Smart & Stunning
Local Dimming Type : Dynamic Contrast
Picture Size : Direct, Normal, Stretch, Zoom, Auto
Picture Preset : Movie, Normal, Vivid, Low Power, Sports ( HDR 3-Mode: HDR Dark, HDR Normal, HDR Bright )
Backlight : 4K UHD QD-Mini LED QLED
HLG : Yes
HDR 10 : Yes
HDR 10+ : Yes
Dolby Vison : Yes
Dolby Vison IQ : Yes
Filmmaker Mode : Yes
Dolby Vision Gaming : Yes
Quantum Dot Technology : Yes
Display Colors : 1.07 Billion Colors
Local Dimming : Precise Dimming L2
Brightness : Up To HDR 3000 Nits
Panel Type : CrystGlow WHVA Panel
Picture Engine : TCL AIPQ PRO Processor
Dimming Zones : Up To LD2500 Precise Dimming
Motion Enhancement Technology : Motion Rate 480 With MEMC Frame Insertion
Description : Next Gen Technology That Is Clearly A Step Above
Audio
Audio Output ( RMS ) : 15 W + 15 W
Dolby Processing : Dolby Atmos, Dolby Digital+
Audio Passthrough : Dolby Atmos, Dolby Digital+, Dolby Digital, DTS, PCM
Audio Effect : High Treble, Speech, Normal, Music, Theater, Big Bass
Audio Output ( RMS ) : 40 W
Dolby Atmos Audio : Yes
Bluetooth Personal Audio : Yes
IMAX Enhanced Certification : Yes
Speaker System : Audio by Bang & Olufsen
Dolby Processing : Dolby Atmos, Dolby Digital+, Dolby Digital
Audio Passthrough : Dolby Atmos, Dolby Digital+, Dolby Digital, PCM
Connectivity Options
HDMI : 4 ( 1 X eARC )
USB 2.0 : 1
Chromecast Built-in : Yes
RF Input ( NTSC, ATSC ) : 1 Yes
Headphone Output : 1 Yes
SPDIF Digital Audio Optical : 1 Yes
Wi-Fi : Dual-Band 802.11ac
AV Input : Composite Video + L&R Audio In ( Mini 3.5 mm Connector )
HDMI ( 2.1 ) : 4 ( 1 eARC )
USB ( 3.0 + 2.0 ) : 2 ( USB 3.0 X 1, USB 2.0 X 1 )
Bluetooth 5.4 : Yes
Ethernet / LAN : Yes
Chromecast Built-In : Yes
RF Input ( NTSC, ATSC ) : Yes
SPDIF Digital Audio Optical : Yes
Wi-Fi : Wi-Fi 5 ( 802.11ac )
Smart TV Features
Operating System : Roku TV
Smart TV : Yes
Netflix : Yes
Live TV : Yes
Disney+ : Yes
Apple TV : Yes
Airplay 2 : Yes
Peacock TV : Yes
Paramount+ : Yes
Roku Channel : Yes
Screen Mirroring : Yes
Works With : Apple HomeKit, Amazon Alexa, Google Assistant
Operating System : Google TV
Netflix : Yes
YouTube : Yes
YouTube TV : Yes
Hands-Free Voice Control : Yes
Google Chromecast Built-In : Yes
Screen Mirroring : Apple AirPlay 2
Works With : Amazon Alexa, Google Assistant, Apple HomeKit
Other Features
Design : Full View Metal Bezel-less Design
Clock : Yes
Sleep Timer : Yes
Channel Skip : Yes
Closed Caption : Yes
Input Label Edit : Yes
Channel Label Edit : Yes
Easy Voice Control : Yes
JPEG / MP3 For USB : Yes
Auto Game Mode ( ALLM ) : Yes
Parental Control ( V -Chip ) : USA
Auto Channel Search / Channel Scanning : Yes
Control Buttons : One Button
Program Guide ( EPG ) : Up To 7 Days Future
Adjustable Color Temperature : Warm, Normal, Cool
Tuner Type : ATSC, NTSC, Clear QAM
Languages : English, Spanish, French
Warranty : 1 Year Limited Manufacturers Warranty
Design : Ultra Slim Design
Sleep Timer : Yes
Closed Caption : Yes
JPEG / MP3 For USB : Yes
TCL Halo Control System : Yes
Accessible Menu System ( CVAA ) : Yes
Parental Control ( V -Chip ) : USA
Control Buttons : One Button
Multilingual On-Screen-Display : English, Spanish, French
Warranty : 1 Year Limited Warranty
General Details
Power Supply ( Voltage, Hz ) : AC 100V-240V 50/60Hz
Power Consumption : 250 W
Annual Power Consumption : 381 kWh/Y
Power Consumption Standby : < 0.5 W
Weight Without Stand : 21.99 Kg
Weight With Stand : 22.18 Kg
Package Weight : 33.61Kg
Energy Guide : $27
Screw Size : M5
VESA Walll Mount Pattern : 300 mm X 300 mm
Power Supply ( Voltage, Hz ) : AC 100V-240V 50/60Hz
Annual Power Consumption : 456 kWh/Y
Power Consumption Standby : < 0.5 W
Weight Without Stand : 24.58 Kg
Weight With Stand : 26.58 Kg
Package Weight : 36.28 Kg
VESA Walll Mount Pattern : 300 mm X 300 mm
Supplied Accessories
Remote Control : Voice Remote Control
Power Cord : Yes
2 X AAA Batteries : Yes
Warranty Info : Yes
Quick Start Guide English : Yes
Remote Control : Backlit Voice Remote Control
2 X AAA Batteries : Yes
Warranty Info English : Yes
Quick Start Guide English : Yes

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Key Differences

Audio output differs between the two (15 W + 15 W vs 40 W), which can influence overall sound clarity and loudness. TCL 75S450R-CA and TCL 75QM7K are well-equipped smart TVs that aim to provide a balance of picture quality, performance, and smart capabilities. Both models support 4K 3840 x 2160 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. 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. Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability. Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. TCL 75S450R-CA and TCL 75QM7K offer different motion rates (60 Hz vs 144 Hz), which can impact smoothness during fast-moving scenes like sports and gaming.

Verdict: Choosing between TCL 75S450R-CA and TCL 75QM7K depends on your usage, whether you prioritize display quality, smoother motion, or smart features.