LG 55QNED7S6QA vs TCL 55S434-CA – Key Differences & Best Choice (2026)

ALERT

LG 55QNED7S6QA
Rs.45,704.92

TCL 55S434-CA
Rs.45,514.20

Model No

55QNED7S6QA

55S434-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

60 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, FLAC
Supported Video Formats	: MKV ( H.264 ), MP4 ( H.264 )
Supported Picture Formats	: JPEG, PNG

Video

Backlight	: 4K Non-Mini Edge QNED
HLG	: Yes
AI Picture	: Yes
4K HDR10	: Yes
Local Dimming	: Yes
Quantum Dot Color	: Yes
Nano Cell Technology	: Yes
Dynamic Tone Mapping	: Yes
Filmmaker Mode Advanced	: Yes
Pixel Type	: RGB
HDR	: Cinema HDR
Picture Processor	: α5 Gen5 AI Processor

Backlight	: 4K UHD HDR LED TV
HDR10	: Yes
HLG	: Yes
Resolution	: UHD
Natural Motion	: 120 CMI
Display Colors	: 1.07 Billion

Audio

Audio Output ( RMS )	: 20 W
AI Sound Pro	: Yes
WiSA 2.0 Channel	: Yes
Speaker Direction	: Down Firing
Speaker System	: 2.0 Channel

Audio Output ( RMS )	: 8 W + 8 W
Premium Audio	: Dolby Digital Plus

Connectivity Options

HDMI 2.0	: 4
USB 2.0	: 2
Bluetooth 5.0	: Yes
WiFi 5	: 802.11ac

HDMI 2.0	: 3 ( 1 ARC )
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 ( Supports 2.4GHz & 5GHz )

Smart TV Features

Operating System	: WebOS 22 Smart TV
CPU	: Quad
ThinQ	: Yes
ThinQ App	: Yes
Room To Room Share	: Yes
Magic Remote Control	: Built-In

Operating System	: Android TV
Easy Voice Control	: Yes
Chromecast Built-In	: Yes
Integrated Voice Assistant	: Google Assistant

Other Features

Design	: Cinema Screen Design
New 3 Sides Cinema	: Yes
Google Stadia & GeForce NOW Built-In	: Yes
Stand	: Shiny 2 Pole

Sleep Timer	: Yes
Closed Caption	: Yes
1 Year Limited Warranty	: Yes
Parental Control ( V-Chip )	: Yes
Accessible Menu System ( CVAA )	: Yes
Control Buttons	: One Button
Multilingual On-Screen-Display	: English, Spanish, French
Tuner Type	: ATSC / NTSC / Clear QAM

General Details

Power Supply	: AC 100 ~240 V 50-60 Hz
Power Consumption Standby	: Under 0.5 W
Energy Standard	: Yes
Energy Saving Mode	: Yes
Illuminance Green Sensor	: Yes

Power Supply (Voltage, Hz)	: AC 100V-240V 50/60Hz
Annual Power Consumption	: 115 kWh/Y
Power Consumption Standby	: ＜0.5 W
Weight Without Stand	: 11.20 Kg
Weight With Stand	: 11.29 Kg
Packaging Weight	: 16.01 Kg
VESA Walll Mount Pattern	: 300 mm X 300 mm

Supplied Accessories

Remote Control	: Magic + NFC
User Manual	: Yes
Batteries	: AA X 2EA
Power Cable	: Yes ( TV Attached )

Remote Control	: Voice Remote Control
2 AAA Batteries	: Yes
Screw Size	: M6 X 12
Warranty Info / Quick Start Guide (QSG)	: Yes English

Compare LG 55QNED7S6QA with:

Compare TCL 55S434-CA with:

Key Differences

Audio output differs between the two (8 W + 8 W vs 20 W), which can influence overall sound clarity and loudness. TCL 55S434-CA and LG 55QNED7S6QA differ in resolution (UHD vs 4K 3840 x 2160), which can affect overall clarity and sharpness of the display. Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. Both TVs come with smart platforms that support popular streaming apps and voice control features. From a practical standpoint, both options provide a reliable viewing experience for most users. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. TCL 55S434-CA and LG 55QNED7S6QA are well-equipped smart TVs that aim to provide a balance of picture quality, performance, and smart capabilities. TCL 55S434-CA and LG 55QNED7S6QA offer different motion rates (120 Hz vs 60 Hz), which can impact smoothness during fast-moving scenes like sports and gaming.

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

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