TCL 65S421-CA vs TCL 65S425-CA – Key Differences & Best Choice (2026)

ALERT

TCL 65S421-CA
Rs.74,045.46

TCL 65S425-CA
Rs.74,468.77

Model No

65S421-CA

65S425-CA

TV Type

Smart TV

Smart TV

Screen Size

65 Inch (164 cm)

65 Inch (164 cm)

Resolution

4K 3840 x 2160

4K 3840 x 2160

Aspect Ratio

16:9

16:9

Motion Rate

120 Hz

60 Hz

Viewing Angle

178°/178°

178°/178°

USB

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

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 HDR LED
HDR10	: Yes
Resolution	: UHD
Clear Motion Index	: 120Hz CMI
Display Colors	: 1.07 Billion
Picture Engine	: 4K Creative Pro Upscaling Engine

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

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

Connectivity Options

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 )

HDMI 2.0	: 3, w/HDCP 2.2 ( 1 ARC )
USB 2.0	: 1
Ethernet / LAN	: Yes
RF Input ( NTSC, ATSC )	: 1 Yes
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	: Roku TV
CPU	: Dual-core
GPU	: Dual-core
Powerful Mobile App	: Yes
Advanced PQ Setting With Mobile App	: Yes

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

Other Features

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

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 100V-240V 50/60Hz
Annual Power Consumption	: 180 kWh/Y
Power Consumption Standby	: <0.5 W
Weight Without Stand	: 17.59 Kg
Weight With Stand	: 18.00 Kg
Packaging Weight	: 26.98 Kg
VESA Walll Mount Pattern	: 400 mm X 200 mm

Power Supply (Voltage, Hz)	: AC 100V-240V 50/60Hz
Power Consumption Standby	: <0.5 W
Weight Without Stand	: 17.59 Kg
Weight With Stand	: 18.00 Kg
Packaging Weight	: 26.98 Kg
VESA Walll Mount Pattern	: 400 mm X 200 mm

Supplied Accessories

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

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

Compare TCL 65S421-CA with:

Compare TCL 65S425-CA with:

Key Differences

TCL 65S425-CA and TCL 65S421-CA offer different motion rates (60 Hz vs 120 Hz), which can impact smoothness during fast-moving scenes like sports and gaming. Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. TCL 65S425-CA and TCL 65S421-CA are two competitive smart TVs offering a mix of display performance, smart features, and overall value for different types of users. Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. Both models support UHD resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. 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.

Verdict: Choosing between TCL 65S425-CA and TCL 65S421-CA depends on your usage, whether you prioritize display quality, smoother motion, or smart features.

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