TCL 40S5400 vs TCL 43S451-CA – Specs, Price & Comparison (2026)

ALERT

TCL 40S5400
Rs.22,187.48

TCL 43S451-CA
Rs.22,364.37

Model No

40S5400

43S451-CA

TV Type

Smart TV

Smart TV

Screen Size

40 Inch (102 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	: MP2, MP3, MPEG, WAV
Supported Video Formats	: AVI, MKV, MPEG, MPEG-4, WMV
Supported Picture Formats	: BMP, GIF, JPEG, PNG

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	: FHD DLED
HLG	: Yes
HDR10	: Yes
Micro Dimming	: Yes
Contrast Ratio	: 5000:1 ( Typ. )

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

Audio

Audio Output (RMS)	: 2 X 9.5 W
Dolby Audio	: Yes

Audio Output ( RMS )	: 10 W + 10 W
Premium Audio	: Dolby Digital Plus

Connectivity Options

HDMI 2.1	: 2
USB 2.0	: 1
AV Port	: Yes
Bluetooth 5.0	: Yes
Ethernet LAN	: Yes
Chromecast Built-In	: Yes
Wi-Fi Connectivity	: 2.4GHz

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

Operation System	: Google TV
CPU	: CA55x4 @1.1GHz ( DVFS 1.45GHz )
GPU	: G31MP2 @550MHz
RAM	: 1.5 GB
ROM	: 16 GB
App Store	: Yes
Ok Google	: Yes
Voice Control	: Yes
Google Play Store	: Yes
With Google Assistant	: Yes
Google Assistant Built-in	: Yes

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	: Metallic Bezel-Less Design
Color	: Black
Subtitle	: Yes
EPG	: Yes ( For DTV Programme Only )

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 ( Voltage, Hz )	: AC 100V-240V 50/60Hz
Power Consumption	: 75 W
Power Consmption Standby	: 0.5 W
Weight Without Stand	: 5.28 Kg
Weight With Stand	: 5.23 Kg
Packaging Weight	: 7.22 Kg

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
2 AAA Batteries	: Yes
User Manual	: Yes
Warranty Card	: Yes
Table Top Stand	: 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

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Key Differences

Both TVs come with smart platforms that support popular streaming apps and voice control features. TCL 43S451-CA and TCL 40S5400 differ in resolution (UHD vs 1920 x 1080), which can affect overall clarity and sharpness of the display. Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. From a practical standpoint, both options provide a reliable viewing experience for most users. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. There is a difference in screen size (43 Inch (109.22 cm) vs 40 Inch (102 cm)), and a larger screen generally provides a more immersive viewing experience. TCL 43S451-CA and TCL 40S5400 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.

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