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| General Info | ||
|---|---|---|
| Model Number | Xiaomi Mi TV 4X 55" | Acer Predator XB1 XB271HU |
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| Price | ||
| Type | TV | Monitor |
| Year | 2018 | 2015 |
| Brand | Xiaomi | Acer |
| Model Number | Mi TV 4X 55" | Predator XB1 XB271HU |
| Alias | XB271HUbmiprz | |
| 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 685.8 mm 2.25 ft |
| Screen Width | 47.62 in 121 cm 1209.6 mm 3.97 ft |
23.49 in 59.7 cm 596.736 mm 1.96 ft |
| Screen Height | 26.79 in 68 cm 680.4 mm 2.23 ft |
13.22 in 33.6 cm 335.664 mm 1.1 ft |
| Display Manufacturer | AU Optronics | |
| Display Type | AHVA IPS | |
| Display Bit Depth | 10 bits (8 bits + FRC) | |
| Frame Rate Control | Yes | |
| Max Number of Colors | 1073741824 | |
| Bits | 30 | |
| Screen Aspect Ratio | 16:9 | 16:9 |
| Screen Resolution | 3840 x 2160 | 2560 x 1440 |
| Screen Pixel Pitch | 0.315 mm | 0.233 mm |
| Screen Pixel Density | 80 ppi | 109 ppi |
| Screen-to-Body Ratio | 91.75 % | 88.89 % |
| Backlight Source | Direct LED | W-LED |
| sRGB | 100 % | |
| NTSC 1953 | 72 % | |
| Screen Brightness | 350 cd/m² | |
| Static Screen Contrast | 1000 : 1 | |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Screen Input Lag | 5 ms | |
| Display Minimum Response Time | 4 ms | |
| Display Average Response Time | 8 ms | 12 ms |
| Display Coating | Anti-glare/Matte (3H) | |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2.4 in 6.1 cm 61 mm 0.2 ft |
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| Case Weight | 12.7 kg 28 lbs |
4.6 kg 10 lbs |
| Case Width with Stand | 48.9 in 124.2 cm 1242 mm 4.07 ft |
24.17 in 61.4 cm 614 mm 2.01 ft |
| Case Height with Stand | 30.55 in 77.6 cm 776 mm 2.55 ft |
15.8 in 40.1 cm 401.3 mm 1.32 ft |
| Case Depth with Stand | 9.71 in 24.7 cm 246.7 mm 0.81 ft |
10.55 in 26.8 cm 268 mm 0.88 ft |
| Case Weight with Stand | 13 kg 29 lbs |
7 kg 15 lbs |
| Case Color | Black | Black |
| Hardware | ||
| CPU | ARM Cortex-A53 | |
| CPU Cores | 4 | |
| CPU Frequency | 1500 | |
| GPU | ARM Mali-450 | |
| GPU Frequency | 750 | |
| RAM Memory Size | 2 | |
| Internal Storage | 8 | |
| 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 |
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| Connectivity | 3 x HDMI 2.0 (ARC; CEC) 1 x AV Composite In (Video + L/R) 1 x S/PDIF 1 x Antenna (RF) (Female) 1 x AV Component In (YPbPr + L/R) 2 x USB 2.0 1 x Ethernet RJ45 |
1 x HDMI 1.4 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 4 x USB 3.0 (downstream) 1 x USB 3.0 (upstream) |
| Audio | ||
| Audio Speakers | 2 x 8W | 2 x 2W |
| Features | ||
| OS | MIUI TV | |
| Cool Features | HDCP (High-bandwidth Digital Content Protection) 2.2 Voice command |
Flicker-free technology Nvidia G-SYNC Technology |
| Ergonomics | ||
| Case Width | 48.9 in 124.2 cm 1242 mm 4.07 ft |
24.17 in 61.4 cm 614 mm 2.01 ft |
| Case Height | 28.43 in 72.2 cm 722.2 mm 2.37 ft |
14.45 in 36.7 cm 367 mm 1.2 ft |
| Vesa Mount Support | Yes | Yes |
| VESA Interface Standard Size | 300 x 300 | 100 x 100 |
| Removable VESA Stand | Yes | Yes |
| Height Adjustment | No | Yes |
| Height Adjustment Range | 150 mm 15 cm 5.9055 in 0.4921 ft |
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| Landscape or Portrait Pivot Support | No | Yes |
| Left Pivot | 90 ° | |
| Right Pivot | 90 ° | |
| Left or Right Swivel Support | No | Yes |
| Left Swivel | 30 ° | |
| Right Swivel | 30 ° | |
| Forward and Backward Tilt Support | No | Yes |
| Forward Tilt | 5 ° | |
| Backward Tilt | 35 ° | |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 60 Hz | 165 Hz |
| Accessories | ||
| Extras | Remote control - AI Mi Remote | DisplayPort cable HDMI cable USB 3.0 cable |
| Certificates and Standards | ||
| Licenses | ENERGY STAR ErP TCO Certified Displays 6.0 |
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| Usage and Storage Requirements |
| Xiaomi Mi TV 4X 55" | Acer Predator XB1 XB271HU |
