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| General Info | ||
|---|---|---|
| Model Number | Xiaomi Mi TV 4A 55" | Lenovo L27i-30 |
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| Price | ||
| Type | TV | Monitor |
| Year | 2017 | 2021 |
| Brand | Xiaomi | Lenovo |
| Model Number | Mi TV 4A 55" | L27i-30 |
| Alias | 66BFKAC2 | |
| Display | ||
| Screen Size Class | 55" (inches) | 27" (inches) |
| Diagonal Size | 54.65 in 138.8 cm 1388 mm 4.55 ft |
27 in 68.6 cm 685.891 mm 2.25 ft |
| Screen Width | 47.62 in 121 cm 1209.6 mm 3.97 ft |
23.54 in 59.8 cm 597.888 mm 1.96 ft |
| Screen Height | 26.79 in 68 cm 680.4 mm 2.23 ft |
13.24 in 33.6 cm 336.312 mm 1.1 ft |
| Display Manufacturer | Samsung LG Display CMOS |
|
| Display Type | IPS, VA | IPS |
| Display Bit Depth | 8 bits (6 bits + FRC) | |
| Frame Rate Control | Yes | |
| Max Number of Colors | 16777216 | |
| Bits | 24 | |
| Screen Aspect Ratio | 16:9 | 16:9 |
| Screen Resolution | 3840 x 2160 | 1920 x 1080 |
| Screen Pixel Pitch | 0.315 mm | 0.311 mm |
| Screen Pixel Density | 80 ppi | 81 ppi |
| Screen-to-Body Ratio | 91.86 % | 89.28 % |
| Backlight Source | Direct LED | W-LED |
| NTSC 1953 | 72 % | 72 % |
| Screen Brightness | 250 cd/m² | |
| Static Screen Contrast | 6000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 3000000 : 1 | |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Display Minimum Response Time | 4 ms | |
| Display Average Response Time | 8 ms | 6 ms |
| Display Coating | Anti-glare/Matte | |
| HDR | HDR10 HLG (Hybrid Log Gamma) |
|
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2.98 in 7.6 cm 75.7 mm 0.25 ft |
1.7 in 4.3 cm 43.2 mm 0.14 ft |
| Case Weight | 13.9 kg 31 lbs |
3.6 kg 8 lbs |
| Case Width with Stand | 48.68 in 123.7 cm 1236.5 mm 4.06 ft |
24.11 in 61.3 cm 612.5 mm 2.01 ft |
| Case Height with Stand | 30.65 in 77.9 cm 778.6 mm 2.55 ft |
18.73 in 47.6 cm 475.8 mm 1.56 ft |
| Case Depth with Stand | 11.25 in 28.6 cm 285.7 mm 0.94 ft |
6.89 in 17.5 cm 175 mm 0.57 ft |
| Case Weight with Stand | 14.2 kg 31 lbs |
4.41 kg 10 lbs |
| Case Color | Black | Black |
| Hardware | ||
| System on Chip or SoC | Amlogic T962 | |
| CPU | ARM Cortex-A53 | |
| CPU Cores | 4 | |
| CPU Frequency | 1500 | |
| GPU | ARM Mali-T450 MP5 | |
| GPU Cores | 5 | |
| GPU Frequency | 750 | |
| RAM Memory Size | 2 | |
| Internal Storage | 32 | |
| TV Tuner | Analog (NTSC/PAL/SECAM) | |
| 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) Bluetooth Wi-Fi Direct DLNA |
|
| Connectivity | 3 x HDMI 2.0 (ARC; CEC) 1 x AV Composite In (Video + L/R) 1 x Antenna (RF) (Female) 2 x USB 2.0 1 x Ethernet RJ45 |
1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x D-sub |
| Audio | ||
| Audio Speakers | 2 x 6W | |
| Features | ||
| OS | MIUI TV | |
| Cool Features | HDCP (High-bandwidth Digital Content Protection) 2.2 Voice command |
Flicker-free technology Low Blue Light 3-side NearEdgeless design AMD FreeSync technology |
| Extra Features | Anti-theft stand lock slot - Kensington | |
| Ergonomics | ||
| Case Width | 48.68 in 123.7 cm 1236.5 mm 4.06 ft |
24.11 in 61.3 cm 612.5 mm 2.01 ft |
| Case Height | 28.53 in 72.5 cm 724.6 mm 2.38 ft |
14.48 in 36.8 cm 367.7 mm 1.21 ft |
| Vesa Mount Support | Yes | Yes |
| VESA Interface Standard Size | 250x300 | 100 x 100 |
| 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 | Yes |
| Forward Tilt | 5 ° | |
| Backward Tilt | 22 ° | |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 60 Hz | 48 Hz - 75 Hz |
| Horizontal Digital Frequency | 30 kHz - 83 kHz | |
| Screen Interpolation Measurement Unit | NULL | |
| Accessories | ||
| Extras | HDMI cable | |
| Certificates and Standards | ||
| Licenses | CCC China Energy Efficiency Standard Tier 1 RoHS (EU 2002/95/EC) TÜV Rheinland Eye Comfort WHQL (Windows 10; Windows 8.1; Windows 8; Windows 7) |
|
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 45 °C 32 °F - 113 °F |
|
| Safe Operating Humidity Level | 10 % - 80 % | |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
|
| Internal Storage Humidity | 5 % - 95 % | |
| Max Operating Altitude | 5000 | |
| Max Storage Altitude | 12192 |
| Xiaomi Mi TV 4A 55" | Lenovo L27i-30 |
