TCL 43S5K vs TCL 43S423 – Specs, Price & Comparison (2026)

ALERT

TCL 43S5K
Rs.22,790.00

TCL 43S423
Rs.22,865.24

Model No

43S5K

43S423

TV Type

Smart TV

Smart TV

Screen Size

43 Inch (109.22 cm)

43 Inch (109.22 cm)

Resolution

1920 x 1080

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	: MPEG, WMA, FLAC, MP3, AAC, WAV, OPUS
Supported Video Formats	: AVI, MP4, MKV, TS, FLV, WMV, MOV, MPEG, WEBM, AVC, HEVC
Supported Picture Formats	: JPEG, BMP, PNG, GIF

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	: 2K FHD QLED
HLG	: Yes
HDR 10+	: Yes
Panel Type	: VA
Contrast Ratio	: 4000:1( Typical )

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 12 W
Dolby Audio	: Yes
Sound Channel	: 2.0 Channel

Audio Output ( RMS )	: 2 Channel X 8 W
Dolby Processing	: Dolby Digital
Audio Passthrough	: Dolby Digital Plus

Connectivity Options

HDMI ( 2.0 )	: 2
USB ( 2.0 )	: 1
WiFi 4	: Yes
HDMI CEC	: Yes
Bluetooth 5.0	: Yes
Ethernet / LAN	: Yes

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
RAM	: 1.5 GB
ROM	: 16 GB
Netflix	: Yes
YouTube	: Yes
App Store	: Yes
Prime Video	: Yes
Google Cast	: Yes
Voice Control	: Yes
Disney+Hotstar	: Yes
Multiple Viewing Mode	: Yes
Google Assistant Built-In	: Yes
Google Assistant	: Voice Input Via Remote Control ( Optional ）

Operating System	: Roku TV
CPU	: Dual-core
GPU	: Dual-core
Powerful Mobile App	: Yes
Advanced PQ Setting With Mobile App	: Yes

Other Features

Design	: Metallic Bezel-Less Design
Color	: Black
Subtitle	: Yes
EPG	: Yes ( DTV Programme Only )
Warranty Summary	: 1 Years Comprehensive Warranty On Product

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 100V – 240V 50-60Hz
Power Consumption	: 65 W
Power Consumption Standby	: 0.5 W
Weight Without Stand	: 5.02 Kg
Weight With Stand	: 5.08 Kg
Weight With Packaging	: 7.18 Kg
VESA Wall-Mounting	: 100 mm X 100 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	: 7.39 Kg
Weight With Stand	: 7.48 Kg
Packaging Weight	: 10.47 Kg
VESA Walll Mount Pattern	: 100 mm X 100 mm

Supplied Accessories

Remote Control	: Yes
Stand	: Yes
Power Cable	: Yes
User Manual	: Yes
2N Batteries	: Yes
Warranty Card	: Yes

Remote Control	: Roku TV RC280
2 AAA Batteries	: Yes
Screw Size	: M6 X 12
Quick Start Guide	: Yes English

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Key Differences

If you're comparing TCL 43S423 and TCL 43S5K, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. In general, both TVs cater to modern entertainment needs, including streaming, gaming, and everyday viewing. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. 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 43S423 and TCL 43S5K differ in resolution (UHD vs 1920 x 1080), 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 offer adequate brightness levels suitable for most indoor lighting conditions.

Verdict: Choosing between TCL 43S423 and TCL 43S5K depends on your usage, whether you prioritize display quality, smoother motion, or smart features.

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