| Model No |
43C635K |
43S451-CA |
| TV Type |
Smart TV |
Smart TV |
| Screen Size |
43 Inch (109.22 cm) |
43 Inch (109.22 cm) |
| Resolution |
4K 3840 x 2160 |
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 |
: 3.0 |
| Supported Audio Formats |
: WMA, MP3 |
| Supported Video Formats |
: AVI, WMV, MP4 ( H.265.H.264, VP9, AV1,… ), MPG, TS, MKV, WebM, VP9 |
| Supported Picture Formats |
: HEIF, JPG, PNG, BMP, Text Subtitles |
|
| 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 |
: 4K UHD QLED |
| HLG |
: Yes |
| PQ10 |
: Yes |
| HDR10 |
: Yes |
| HDR10+ |
: Yes |
| Film Mode |
: Yes |
| 11 Bit Panel |
: Yes |
| Dolby Vision |
: Yes |
| Smart HDR |
: Yes |
| HDR Premium |
: Yes |
| Micro Dimming |
: Yes |
| IMAX Enhanced |
: Yes |
| Motion Clarity Pro |
: Yes |
| Digital Noise Reduction |
: Yes |
| Picture Performance Index |
: 3100 |
| Dynamic Contrast |
: Mega |
| Wide Color Technology |
: Quantum Dot |
| Picture processing |
: IPQ 2.0 Engine |
| Color Management |
: 20P & 2P Calibration |
| Video Decoding |
: H.265 UHD, H.264, MPEG-2 |
| UHD Upscaling |
: UHD Machine Learning AI SR |
|
| Backlight |
: 4K UHD HDR LED TV |
| HDR10 |
: Yes |
| HLG |
: Yes |
| Resolution |
: UHD |
| Display Colors |
: 1.07 Billion |
|
| Audio |
| Sound Power ( RMS ) |
: 10 W + 10 W |
| Auto Volume Control |
: Yes |
| Equalizer |
: Presets |
| Audio Quality By |
: ONKYO |
| Speakers |
: Full Range |
| Speaker Type |
: Down Firing |
| Dolby |
: Dolby AC4, Dolby TrueHD |
| Sound Processing |
: Dolby Atmos, Virtualization & Upmix |
|
| Audio Output ( RMS ) |
: 10 W + 10 W |
| Premium Audio |
: Dolby Digital Plus |
|
| Connectivity Options |
| HDMI 2.1 |
: 3 |
| USB 3.0 |
: 1 |
| CI Slot |
: Yes |
| DLNA 1.5 |
: Yes |
| Headphone |
: Yes |
| RF In ( F Sat ) |
: Yes |
| Bluetooth 5.0 |
: Yes |
| Ethernet / LAN |
: Yes |
| USB HID Support |
: Yes |
| HDMI Quick Switch |
: Yes |
| Chromecast & T-Cast |
: Yes |
| Digital Audio Out Optical |
: Yes |
| RF in ( IEC Terrestrial / Cable ) |
: Yes |
| HDCP 2.2 |
: 2,3 |
| HDMI CEC ( T-link ) |
: Full |
| HDMI eARC / ARC |
: eARC HDMI 1 |
| YPbPr |
: CVBS Optional |
| MHL |
: Yes ( 3.0 ) via HDMI1 |
| HDMI Max Resolution |
: 2160P / 60Hz 422 12Bit |
| WiFi |
: Built-in ac/n/g 2.4/5Ghz MIMO |
|
| 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 |
| Operating System |
: Android R ( 11.0 ) |
| CPU |
: Quad Core |
| Social |
: Yes |
| Netflix |
: Yes |
| YouTube |
: Yes |
| TCL Home |
: Yes |
| Google Duo |
: Yes |
| HbbTV 2.0.2 |
: Yes |
| Web Browser |
: Yes |
| Google Home |
: Yes |
| Freeview Play |
: Yes |
| Google Play Store |
: Yes |
| Google Assistant Built-In |
: Yes |
| AI Google Assistant |
: Google Assistant Hands Free |
| AI Amazon Alexa |
: Works With Alexa DE / FR/ IT / UK |
| 4K |
: Netflix, YouTube, Amazon Prime, AppleTV+ & More |
| Unlimited Content |
: Netflix , Disney+ , Amazon Prime, YouTube , HBO GO, Spotify, Twitch, Kodi, Plex, Google play movies, Hulu, Rakuten and so many others… |
|
| 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 |
: Bezel-Less Ultra Slim Metal Design : Premium & Elegant Frameless Design |
| Color |
: Brushed Silver Metal Front |
| Stand Type |
: Fixed |
| Teletext |
: Yes |
| Sleep Timer |
: Yes |
| Sports Mode |
: Yes |
| Game Master |
: Yes |
| Analogue Tuner |
: Yes |
| Quick Power On |
: Yes |
| Caption ( Subtitle ) |
: Yes |
| USB HID Support |
: Yes |
| Auto Channel Search |
: Yes |
| USB Channel List Clone |
: Yes |
| Auto Low Latency Mode ( ALLM ) |
: Yes |
| Smartphone / Tablet Remote Support |
: Yes |
| Multipicture |
: PAT |
| Game Mode |
: Auto |
| EPG ( DVB EIT / SI ) |
: Up To 8 Days |
| CI+ |
: Yes ( 1.4, ECP ) |
| DTV Tuner |
: DVB-T2 / C / S2 |
| Analogue Tuner Systems |
: PAL / SECAM / NTSC ( AV ) BG / DK / I / LL |
| OSD Languages |
: 29 Albanian, Bulgarian, Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, German, Greek, Hungarian, Italian, Latvian, Lithuanian, Macedonian, Norwegian, Polish, Portuguese, Romanian, Russian, Serbian, Slovak, Slovenian, Spanish, Swedish, Turkish, Ukrainian |
|
| 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 ) |
: 220-240V~50Hz |
| Max Power Consumption |
: 120 W |
| Annual SDR Power Consumption ( EEI 2021 ) ( X1 ) |
: 65 W |
| Annual HDR Power Consumption ( EE I 2021 ) ( X1 ) |
: 100 W |
| Power Consumption Standby* |
: 0,5 W |
| Weight Without stand |
: 7.70 Kg |
| Weight With stand |
: 7.80 Kg |
| Packaging Weight |
: 10.40 Kg |
| EEI 2021 Class SDR ( X1 ) |
: G |
| EEI 2021 Class HDR ( X1 ) |
: G |
| Auto Power Off |
: Yes |
| Peak Luminance Ratio |
: 65% |
| Vesa Size |
: 200 mm X 200 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 |
: 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 |
: RC802N5 |
| Batteries |
: Yes |
| User Manual |
: 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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Compare TCL 43C635K with:
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Compare TCL 43S451-CA with:
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Key Differences
Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. In general, both TVs cater to modern entertainment needs, including streaming, gaming, and everyday viewing. Both TVs come with smart platforms that support popular streaming apps and voice control features. If you're comparing TCL 43S451-CA and TCL 43C635K, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. TCL 43S451-CA and TCL 43C635K 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 provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. 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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