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| General Info | ||
|---|---|---|
| Model Number | Xiaomi Mi QLED TV 4K 55 | TCL 55S421 |
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| Price | ||
| Type | TV | TV |
| Year | 2020 | 2018 |
| Brand | Xiaomi | TCL |
| Model Series | S421 | |
| Model Number | Mi QLED TV 4K 55 | 55S421 |
| Alias | Mi Q1 L55M6-EQG |
|
| 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 | VA | 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 | 94.18 % | 91.16 % |
| Backlight Source | Direct LED | Direct LED |
| DCI P3 | 95% | |
| NTSC 1953 | 100 % | |
| Screen Brightness | 350 cd/m² | |
| Static Screen Contrast | 4500 : 1 | |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Screen Input Lag | 5 ms | |
| HDR | HDR10 HDR10+ HLG (Hybrid Log Gamma) Dolby Vision |
HDR10 |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2.8 in 7.1 cm 71 mm 0.23 ft |
3 in 7.6 cm 76.2 mm 0.25 ft |
| Case Weight | 13.94 kg 31 lbs |
13.4 kg 29 lbs |
| Case Width with Stand | 48.44 in 123 cm 1230.41 mm 4.04 ft |
49.1 in 124.7 cm 1247.1 mm 4.09 ft |
| Case Height with Stand | 30.16 in 76.6 cm 765.98 mm 2.51 ft |
30.8 in 78.2 cm 782.3 mm 2.57 ft |
| Case Depth with Stand | 10.34 in 26.3 cm 262.58 mm 0.86 ft |
8.7 in 22.1 cm 221 mm 0.73 ft |
| Case Weight with Stand | 14.2 kg 31 lbs |
13.6 kg 30 lbs |
| Case Color | Metallic Gray | Black |
| Hardware | ||
| System on Chip or SoC | MediaTek | |
| CPU | ARM Cortex-A55 | |
| CPU Cores | 4 | 2 |
| CPU Frequency | 1500 | |
| GPU | ARM Mali-G52 MC2 | |
| GPU Cores | 2 | 2 |
| RAM Memory Size | 2 | |
| Internal Storage | 32 | |
| TV Tuner | Analog (NTSC/PAL/SECAM) DVB-T DVB-C |
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 DLNA Bluetooth 5 |
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 AV Composite In (Video + L/R) 1 x 3.5 mm Audio Out 1 x Antenna (RF) (Female) 1 x Optical Audio Out 2 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 | |
| Features | ||
| OS | PatchWall 3.0 UI (Android 10) | Roku TV |
| Cool Features | Disney+ Vivid Picture Engine with AI Dynamic Noise Reduction Mi Quick Wake Kids More MEMC Universal Search Netflix Live TV Google Assistant Chromecast built-in Privem Video Mi Quick Mute Digital Noise Filter Mi Quick Settings |
4K Creative Pro HDCP (High-bandwidth Digital Content Protection) 2.2 |
| Ergonomics | ||
| Case Width | 48.44 in 123 cm 1230.41 mm 4.04 ft |
49.1 in 124.7 cm 1247.1 mm 4.09 ft |
| Case Height | 27.96 in 71 cm 710.23 mm 2.33 ft |
28.5 in 72.4 cm 723.9 mm 2.38 ft |
| Vesa Mount Support | Yes | Yes |
| VESA Interface Standard Size | 200 x 100 | 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 | Clear Motion Index | |
| Screen Interpolation Value | 120 | |
| Screen Interpolation Measurement Unit | NULL | CMI |
| Accessories | ||
| Extras | Remote control | Remote control - RC282 |
| Certificates and Standards | ||
| Licenses | RoHS | RoHS |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 45 °C 32 °F - 113 °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 | 20 % - 80 % | 10 % - 90 % |
| Xiaomi Mi QLED TV 4K 55 | TCL 55S421 |
