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LG 55UM7340PVA
Rs.41,133.94

TCL 55S423-CA
Rs.41,158.80
Model No 55UM7340PVA 55S423-CA
TV Type Smart TV Smart TV
Screen Size 55 Inch (139 cm) 55 Inch (139 cm)
Resolution 4K 3840 x 2160 4K 3840 x 2160
Aspect Ratio 16:9 16:9
Motion Rate 50 Hz 120 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, JPS, MPO
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 Direct LED
2K HFR : Yes
IPS Panel : Yes
Wide Viewing Angle : Yes
Noise Reduction : NR
Upscaler : 4K Upscaler
HDR : 4K Active HDR
HLG : Yes ( 4K / 2K )
HDR Effect : Yes ( 4K / 2K )
HDR10 Pro : Yes ( 4K / 2K )
Video Decoder VP9 : 4K@60P, 10Bit
Video Decoder HEVC : 4K@60P, 10Bit
Color Accuracy : True Color Accuracy
Color Enhancer : Advanced Color Enhancer
Dynamic Tone Mapping : HDR Dynamic Tone Mapping
Picture Mode : Yes 9 Modes ( Vivid, Standard, Eco, Cinema, Sports, Game, HDR Effect, ( ISF ) Expert ( Bright Room ), ( ISF ) Expert ( Dark Room ))
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
Audio Output ( RMS ) : 20 W ( 10 W Per Channel )
DTS Decoder : Yes
Clear Voice III : Yes
DTS Virtual : X : Yes
LG Sound Sync : Yes
Adaptive Sound Control : Yes
Bluetooth Audio Playback : Yes
One Touch Sound Tuning : Yes
Auto Notification ( Bluetooth Easy Paring ) : Yes
Speaker Direction : Down Firing
Speaker System : 2.0 Channel
Surround Mode : DTS Virtual : X
Simultaneous Audio Output : Yes ( Optical Output Or HP Support Model )
Audio Codec : AC4, AC3 ( Dolby Digital ), EAC3, HE-AAC, AAC, MP2, MP3, PCM, DTS, DTS-HD, DTS Express, WMA, apt-X
Audio Output ( RMS ) : 2 Channel X 8 W
Dolby Processing : Dolby Digital
Audio Passthrough : Dolby Digital Plus
Connectivity Options
HDMI 2.0 : 3 ( 2 Side, 1 Rear )
USB 2.0 : 2 ( 1 Side, 1 Rear )
Bluetooth 5.0 : Yes
Simplink ( HDMI CEC ) : Yes
Ethernet / LAN : Yes Rear
Optical Digital Audio Out ( SPDIF ) : Yes Rear
Wi-Fi : 802.11ac
Audio Return Channel ( eARC / ARC ) : ARC HDMI 2
RF In : 2 ( Rear, RF / Sat )
Component : Yes ( Rear, Component in / AV in common )
Composite In ( AV ) : Yes ( Rear, Component in / AV in common )
HDMI 2.0 : 3, w/HDCP 2.2 ( 1 ARC )
USB 2.0 : 1
SPDIF Digital Audio Optical : 1 Yes
Audio Output Headphone : 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 : WebOS Smart TV
CPU : Quad Core
DIAL : Yes
AI UX : Yes
ThinQ : Yes
AI Home : Yes
Magic Link : Yes
Hotel Mode : Yes
Wi-Fi TV On : Yes
360° VR Play : Yes
Music Player : Yes
Quick Access : Yes
Screen Share : Yes
Mobile TV On : Yes
Web Browser : Yes
Intelligent Edit : Yes
LG TV Plus App : Yes
Speech To Text : Yes
LG Voice Search : Yes
LG Content Store : Yes
Smart ThinQ App : Yes
Universal Control : Yes
Home Dashboard : Yes
Mobile Connectivity : Yes
AI Recommendation : Yes
Auto Device Detection : Yes
Network File Browser : Yes
Bluetooth Low Energy On : Yes
Intelligent Voice Recognition : Yes
Block Access To Harmful Site : Yes
Magic Remote Control : Built-In
Operating System : Roku TV
CPU : Dual-core
GPU : Dual-core
Powerful Mobile App : Yes
Advanced PQ Setting With Mobile App : Yes
Other Features
Design : Premium Design
Time Shift : Yes
Analog DVR : Yes
EPG ( 8 days ) : Yes
Teletext Page : Yes
Subtitle [ DVB ] : Yes
Digital Recording : Yes
Audio Description : Yes
Analog TV Reception : Yes
Time Machine ( DVR ) : Yes
Teletext ( Top / Flof / List ) : Yes
Data Broadcasting ( Country Spec ) : Yes
Instant Game Response ( ALLM ) : Yes
Cable : DVB-C
Satellite : DVB-S2
Terrestrial : DVB-T2
Digital TV Reception ( Terrestrial, Cable, Satellite ) : Yes DVB-T2/C/S2
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 ( Voltage, Hz ) : AC 100~240V 50-60Hz
Standby Power Consumption : Under 0.5 W
Energy Saving Mode : Yes
Weight Without Stand : 14.3 Kg
Weight With Stand : 14.5 Kg
Illuminance Green Sensor : Yes ( White Sensor )
Power Supply (Voltage, Hz) : AC 100V-240V 50/60Hz
Annual Power Consumption : 108 kWh/Y
Power Consumption Standby : <0.5 W
Weight Without Stand : 12.11 Kg
Weight With Stand : 12.29 Kg
Packaging Weight : 17.78 Kg
VESA Walll Mount Pattern : 200 mm X 200 mm
Supplied Accessories
Remote Control : MR19
Power Cable : Yes ( TV Detached )
Batteries : Yes ( MR19 : AA X 2EA / L-Con : AAA X 2EA )
Remote Control : Roku TV RC280
2 AAA Batteries : Yes
Screw Size : M6 X 12
Quick Start Guide : Yes English

Compare LG 55UM7340PVA with:

Compare TCL 55S423-CA with:

Key Differences

Audio output differs between the two (2 Channel X 8 W vs 20 W ( 10 W Per Channel )), which can influence overall sound clarity and loudness. 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. TCL 55S423-CA and LG 55UM7340PVA offer different motion rates (120 Hz vs 50 Hz), which can impact smoothness during fast-moving scenes like sports and gaming. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. TCL 55S423-CA and LG 55UM7340PVA differ in resolution (UHD vs 4K 3840 x 2160), which can affect overall clarity and sharpness of the display. From a practical standpoint, both options provide a reliable viewing experience for most users. TCL 55S423-CA and LG 55UM7340PVA are well-equipped smart TVs that aim to provide a balance of picture quality, performance, and smart capabilities.

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