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LG 43UT7550AUA
Rs.22,467.32

TCL 43S451-CA
Rs.22,364.37
Model No 43UT7550AUA 43S451-CA
TV Type Smart TV Smart TV
Screen Size 43 Inch (109.22 cm) 43 Inch (109.22 cm)
Resolution 4K 3840 x 2160 4K 3840 x 2160
Aspect Ratio 16:9 16:9
Motion Rate 60 Hz 60 Hz
Viewing Angle 178°/178° 178°/178°
USB
USB Version : 2.0
Supported Audio Formats : MP3, AC4, AC3, EAC3, AAC, MP2, PCM, WMA
Supported Video Formats : MKV, DivX, MP4, AVI, ASF, MOV, FLV
Supported Picture Formats : JPEG, PNG, BMP, WebP, JPS, MPO
USB Version : 2.0
Supported Audio Formats : AAC, MP3, FLAC
Supported Video Formats : MPEG4 Xvid, H.264, H.265, VC1, VP9
Supported Picture Formats : JPEG, PNG, BMP
Video
BackLight : 4K UHD Direct LED
HLG : Yes
HDR10 : Yes
Filmmaker Mode : Yes
Dynamic Tone Mapping : Yes
Upscaling : 4K Upscaling
Picture Processor : α5 AI Processor 4K Gen7
Backlight : 4K UHD HDR LED TV
HDR10 : Yes
HLG : Yes
Resolution : UHD
Display Colors : 1.07 Billion
Audio
Audio Output ( RMS ) : 20 W
LG Sound Sync : Yes
Sound Mode Share : Yes
Bluetooth Surround Ready : Yes
Speaker Direction : Down Firing
Speaker System : 2.0 Channel
Clear Voice Pro : Yes ( Auto Volume Leveling )
AI Sound : AI Sound ( Virtual 5.1 Up-Mix )
Audio Codec : AC4, AC3 ( Dolby Digital ), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X ( Refer To Manual )
Audio Output ( RMS ) : 10 W + 10 W
Premium Audio : Dolby Digital Plus
Connectivity Options
HDMI ( 2.0 ) : 3ea ( Supports eARC, ALLM )
USB ( 2.0 ) : 2ea
Ethernet / LAN : 1ea
RF Input ( Antenna, Cable ) : 1ea
Wi-Fi 5 : Yes
Bluetooth® 5.1 : Yes
HDMI-CEC ( Simplink ) : Yes
HDMI Audio Return Channel : eARC ( HDMI 2 )
HDMI 2.0 : 4 ( 1 eARC )
USB 2.0 : 1
Bluetooth® : Yes
Headphone Jack : 1 Yes
RF Antenna Input : 1 Yes
Composite Audio / Video Input : 1 Yes
Digital Optical Audio Output : 1 Yes
Fast WiFi : 802.11ac 2X2 Dual Band ( Support 2.4GHz & 5GHz )
Smart TV Features
Operating System : WebOS 24 Smart TV
Matter : Yes
App Store : Yes
Home Hub : Yes
Sports Alert : Yes
Home Office : Yes
AI Concierge : Yes
LG Channels : Yes
Music Service : Yes
Family Settings : Yes
Full Web Browser : Yes
Who. Where. What? : Yes
Google Cast Built-In : Yes
Amazon Alexa Built-In : Yes
USB Camera Compatible : Yes
Works with Hey Google : Yes
Works with Apple Home : Yes
Smartphone Remote App : Yes
ThinQ® Smart Technology : Yes
Works With Apple Airplay2 : Yes
Works With Amazon Alexa : Yes
Intelligent Voice Recognition : Yes
Room To Room Share : Yes ( Receiver )
Magic Remote Control : Ready ( Requires Magic Remote )
Content Partners : Netflix, Max, Disney+, YouTube, Prime Video, ESPN, Apple TV, Sling TV & More...............
Operating System : Roku TV
Chromecast Built-In : Yes
Works With Alexa : Yes
Quick And Easy Search : Yes
Works With Hey Google : Yes
Works With Apple Homekit : Yes
Easy Voice Control : Works With Siri, Alexa, And Hey Google
Other Features
Design : Sleek & Modern Design
IP Control : Yes
Country Of Origin : Mexico
Limited Warranty : 3 Year Parts & Labor
TV Tuner : ATSC1.0 ( Terrestrial ), QAM ( Cable )
Sleep Timer : Yes
Closed Caption : Yes
1 Year Limited Warranty : Yes
Parental Control ( V-Chip ) : Yes
Accessible Menu System ( CVAA ) : Yes
Live TV Pause From Antenna ( Up To 30 Minutes ) : Yes
Control Buttons : One Button
Multilingual On-Screen-Display : English, Spanish, French
Tuner Type : ATSC / NTSC / Clear QAM
General Details
Power Supply : AC 120V, 50 / 60Hz
Power Consumption : 77 W
Annual Power Consumption : 143 kWh/Y
Power Consumption Standby : Under 0.5 W
TV Weight Without Stand : 8.8 Kg
TV Weight With Stand : 8.9 Kg
Packaging Weight : 10.6 Kg
VESA Mounting : 200 mm X 200 mm
Power Supply (Voltage, Hz) : AC 100V-240V 50/60Hz
Annual Power Consumption : 83 kWh/Y
Power Consumption Standby : <0.5 W
Weight Without Stand : 6.21 Kg
Weight With Stand : 6.30 Kg
Packaging Weight : 8.48 Kg
VESA Walll Mount Pattern : 200 mm X 200 mm
Supplied Accessories
Remote Control : Yes
E-Manual : Yes
Power Cable : Yes
Quick Start Guide : Yes
Remote Control Batteries : Yes
Remote Control - 1N : RC280
2 AAA Batteries - 2N : Yes
User Manual - 1N : Yes
Warranty Info - 1N : Yes
Screw Size : M6 X 12
Quick Start Guide : Yes English

Compare LG 43UT7550AUA with:

Compare TCL 43S451-CA with:

Key Differences

Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. In general, both TVs cater to modern entertainment needs, including streaming, gaming, and everyday viewing. Audio output differs between the two (10 W + 10 W vs 20 W), which can influence overall sound clarity and loudness. TCL 43S451-CA and LG 43UT7550AUA differ in resolution (UHD vs 4K 3840 x 2160), which can affect overall clarity and sharpness of the display. Both TVs come with smart platforms that support popular streaming apps and voice control features. Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. If you're comparing TCL 43S451-CA and LG 43UT7550AUA, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions.

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