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| General Info | ||
|---|---|---|
| Model Number | ViewSonic VX2257-mhd | LG 20MK400H |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2016 | 2018 |
| Brand | ViewSonic | LG |
| Model Number | VX2257-mhd | 20MK400H |
| Alias | 20MK400H-B | |
| Display | ||
| Screen Size Class | 22" (inches) | 20" (inches) |
| Diagonal Size | 21.5 in 54.6 cm 546.1 mm 1.79 ft |
19.45 in 49.4 cm 494 mm 1.62 ft |
| Screen Width | 18.74 in 47.6 cm 476.06 mm 1.56 ft |
17.09 in 43.4 cm 434 mm 1.42 ft |
| Screen Height | 10.54 in 26.8 cm 267.79 mm 0.88 ft |
9.28 in 23.6 cm 235.8 mm 0.77 ft |
| Display Type | TN | TN |
| Display Bit Depth | 8 bits (6 bits + FRC) | 8 bits (6 bits + FRC) |
| Frame Rate Control | Yes | Yes |
| Max Number of Colors | 16777216 | 16777216 |
| Bits | 24 | 24 |
| Screen Aspect Ratio | 16:9 | 16:9 |
| Screen Resolution | 1920 x 1080 | 1366 x 768 |
| Screen Pixel Pitch | 0.248 mm | 0.318 mm |
| Screen Pixel Density | 102 ppi | 80 ppi |
| Screen-to-Body Ratio | 76.21 % | 78.98 % |
| Backlight Source | W-LED | W-LED |
| NTSC 1953 | 72 % | 72 % |
| Screen Brightness | 250 cd/m² | 200 cd/m² |
| Static Screen Contrast | 1000 : 1 | 600 : 1 |
| Dynamic Screen Contrast | 80000000 : 1 | |
| Screen Horizontal Viewing Angle | 170 ° | 170 ° |
| Screen Vertical Viewing Angle | 160 ° | 160 ° |
| Display Minimum Response Time | 1 ms | 2 ms |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 1.79 in 4.6 cm 45.5 mm 0.15 ft |
1.51 in 3.8 cm 38.4 mm 0.13 ft |
| Case Weight | 3.2 kg 7 lbs |
2 kg 4 lbs |
| Case Width with Stand | 20.13 in 51.1 cm 511.4 mm 1.68 ft |
18.46 in 46.9 cm 468.8 mm 1.54 ft |
| Case Height with Stand | 15.53 in 39.4 cm 394.4 mm 1.29 ft |
14.43 in 36.7 cm 366.5 mm 1.2 ft |
| Case Depth with Stand | 9.04 in 23 cm 229.7 mm 0.75 ft |
7.16 in 18.2 cm 181.9 mm 0.6 ft |
| Case Weight with Stand | 3.63 kg 8 lbs |
2.3 kg 5 lbs |
| Case Color | Black | Black |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x D-sub 1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x DisplayPort 1.2 |
1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x D-sub |
| Audio | ||
| Audio Speakers | 2 x 2W | |
| Features | ||
| Cool Features | Blue Light Filter Flicker-free technology |
Dynamic Action Sync Flicker-free technology Super Resolution+ HDCP (High-bandwidth Digital Content Protection) Black Stabilizer DDC/CI |
| Ergonomics | ||
| Case Width | 20.13 in 51.1 cm 511.4 mm 1.68 ft |
18.46 in 46.9 cm 468.8 mm 1.54 ft |
| Case Height | 12.88 in 32.7 cm 327.1 mm 1.07 ft |
10.88 in 27.6 cm 276.4 mm 0.91 ft |
| Vesa Mount Support | Yes | Yes |
| VESA Interface Standard Size | 100 x 100 | 75 x 75 |
| 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 | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 23 ° | 20 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 47 Hz - 75 Hz | 56 Hz - 75 Hz |
| Horizontal Digital Frequency | 24 kHz - 84 kHz | 30 kHz - 61 kHz |
| Accessories | ||
| Extras | Audio cable D-sub cable HDMI cable |
HDMI cable |
| Certificates and Standards | ||
| Licenses | CB CCC CE CEL Level 1 CU ENERGY STAR 6.0 ErP eStandby FCC Class B REACH SVHC List & DoC RoHS VCCI WEEE |
BSMI CCC CE ENERGY STAR ErP FCC Class B TÜV/GS UL/cUL |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 40 °C 32 °F - 104 °F |
0 °C - 40 °C 32 °F - 104 °F |
| Safe Operating Humidity Level | 10 % - 85 % | 10 % - 80 % |
| Internal Storage Temperature | -25 °C - 55 °C -13 °F - 131 °F |
-20 °C - 60 °C -4 °F - 140 °F |
| Internal Storage Humidity | 5 % - 93 % | 5 % - 85 % |
| Max Operating Altitude | 5000 | |
| Max Storage Altitude | 12192 |
| ViewSonic VX2257-mhd | LG 20MK400H |
