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| General Info | ||
|---|---|---|
| Model Number | TCL 55S446 | TCL 55S421 |
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| Price | ||
| Type | TV | TV |
| Year | 2021 | 2018 |
| Brand | TCL | TCL |
| Model Series | S446 | S421 |
| Model Number | 55S446 | 55S421 |
| Display | ||
| Screen Size Class | 55" (inches) | 55" (inches) |
| Diagonal Size | 54.65 in 138.8 cm 1388 mm 4.55 ft |
54.65 in 138.8 cm 1388 mm 4.55 ft |
| Screen Width | 47.62 in 121 cm 1209.6 mm 3.97 ft |
47.62 in 121 cm 1209.6 mm 3.97 ft |
| Screen Height | 26.79 in 68 cm 680.4 mm 2.23 ft |
26.79 in 68 cm 680.4 mm 2.23 ft |
| Display Type | IPS-ADS | VA |
| Display Bit Depth | 10 bits (8 bits + FRC) | 10 bits (8 bits + FRC) |
| Frame Rate Control | Yes | Yes |
| Max Number of Colors | 1073741824 | 1073741824 |
| Bits | 30 | 30 |
| Screen Aspect Ratio | 16:9 | 16:9 |
| Screen Resolution | 3840 x 2160 | 3840 x 2160 |
| Screen Pixel Pitch | 0.315 mm | 0.315 mm |
| Screen Pixel Density | 80 ppi | 80 ppi |
| Screen-to-Body Ratio | 92.56 % | 91.16 % |
| Backlight Source | Direct LED | Direct LED |
| Screen Brightness | 300 cd/m² | |
| Static Screen Contrast | 1000 : 1 | |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Display Coating | Glossy | |
| HDR | HDR10 HLG (Hybrid Log Gamma) |
HDR10 |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 3.3 in 8.4 cm 83.9 mm 0.28 ft |
3 in 7.6 cm 76.2 mm 0.25 ft |
| Case Weight | 11.2 kg 25 lbs |
13.4 kg 29 lbs |
| Case Width with Stand | 48.7 in 123.7 cm 1237 mm 4.06 ft |
49.1 in 124.7 cm 1247.1 mm 4.09 ft |
| Case Height with Stand | 30.4 in 77.2 cm 772.2 mm 2.53 ft |
30.8 in 78.2 cm 782.3 mm 2.57 ft |
| Case Depth with Stand | 11.81 in 30 cm 300 mm 0.98 ft |
8.7 in 22.1 cm 221 mm 0.73 ft |
| Case Weight with Stand | 11.3 kg 25 lbs |
13.6 kg 30 lbs |
| Case Color | Black | Black |
| Hardware | ||
| CPU Cores | 2 | |
| GPU Cores | 2 | |
| TV Tuner | Analog (NTSC/PAL/SECAM) ATSC Clear QAM |
Analog (NTSC/PAL/SECAM) Clear QAM ATSC |
| Built-in Camera | No | No |
| Network | LAN Wi-Fi 802.11a (IEEE 802.11a-1999) 802.11b (IEEE 802.11b-1999) 802.11g (IEEE 802.11g-2003) 802.11n (IEEE 802.11n-2009) 802.11n 5GHz 802.11ac (IEEE 802.11ac) Wi-Fi Direct |
LAN Wi-Fi 802.11a (IEEE 802.11a-1999) 802.11b (IEEE 802.11b-1999) 802.11g (IEEE 802.11g-2003) 802.11n (IEEE 802.11n-2009) 802.11n 5GHz 802.11ac (IEEE 802.11ac) |
| Connectivity | 3 x HDMI 2.0 1 x Cable/Antenna In (F-type female) 1 x S/PDIF 1 x 3.5 mm Audio Out 1 x AV Composite In 3.5 mm jack 1 x USB 2.0 1 x Ethernet RJ45 |
3 x HDMI 2.0 (ARC; CEC) 1 x Satellite In (Main; F-type female) 1 x S/PDIF 1 x 3.5 mm Audio Out 1 x AV Composite In (Video + L/R) 1 x USB 2.0 (max 0.5 A) 1 x Ethernet RJ45 |
| Audio | ||
| Audio Speakers | 2 x 8W | 2 x 8W |
| Features | ||
| OS | Google TV | Roku TV |
| Cool Features | Disney+ Easy Voice Control Netflix YouTube Prime Video Google Assistant Alexa Chromecast built-in |
4K Creative Pro HDCP (High-bandwidth Digital Content Protection) 2.2 |
| Ergonomics | ||
| Case Width | 48.7 in 123.7 cm 1237 mm 4.06 ft |
49.1 in 124.7 cm 1247.1 mm 4.09 ft |
| Case Height | 28.3 in 71.9 cm 718.82 mm 2.36 ft |
28.5 in 72.4 cm 723.9 mm 2.38 ft |
| Vesa Mount Support | Yes | Yes |
| VESA Interface Standard Size | 300 x 300 | 200 x 200 |
| Removable VESA Stand | Yes | Yes |
| Height Adjustment | No | No |
| Landscape or Portrait Pivot Support | No | No |
| Left or Right Swivel Support | No | No |
| Forward and Backward Tilt Support | No | No |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 50 Hz / 60 Hz | 60 Hz |
| Screen Interpolation Technology | Natural Motion | Clear Motion Index |
| Screen Interpolation Value | 240 | 120 |
| Screen Interpolation Measurement Unit | NM | CMI |
| Accessories | ||
| Extras | Voice-Enabled Remote Control | Remote control - RC282 |
| Certificates and Standards | ||
| Licenses | RoHS | |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 5 °C - 35 °C 41 °F - 95 °F |
5 °C - 35 °C 41 °F - 95 °F |
| Safe Operating Humidity Level | 20 % - 80 % | 20 % - 80 % |
| Internal Storage Temperature | -15 °C - 45 °C 5 °F - 113 °F |
-15 °C - 45 °C 5 °F - 113 °F |
| Internal Storage Humidity | 10 % - 90 % | 10 % - 90 % |
| TCL 55S446 | TCL 55S421 |
