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| General Info | ||
|---|---|---|
| Model Number | Dell ST2421L | ViewSonic VX2457-mhd |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2010 | 2015 |
| Brand | Dell | ViewSonic |
| Model Number | ST2421L | VX2457-mhd |
| Display | ||
| Screen Size Class | 24" (inches) | 24" (inches) |
| Diagonal Size | 24 in 61 cm 609.7 mm 2 ft |
23.58 in 59.9 cm 599 mm 1.97 ft |
| Screen Width | 20.92 in 53.1 cm 531.36 mm 1.74 ft |
20.52 in 52.1 cm 521.28 mm 1.71 ft |
| Screen Height | 11.77 in 29.9 cm 298.89 mm 0.98 ft |
11.54 in 29.3 cm 293.22 mm 0.96 ft |
| Display Manufacturer | Innolux | |
| Display Type | TN | TN |
| Display Bit Depth | 8 bits | 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 | 1920 x 1080 |
| Screen Pixel Pitch | 0.277 mm | 0.272 mm |
| Screen Pixel Density | 91 ppi | 93 ppi |
| Screen-to-Body Ratio | 77.5 % | 77.59 % |
| Backlight Source | W-LED | W-LED |
| NTSC 1953 | 72 % | |
| Screen Brightness | 250 cd/m² | 300 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 7000000 : 1 | 80000000 : 1 |
| Screen Horizontal Viewing Angle | 170 ° | 170 ° |
| Screen Vertical Viewing Angle | 160 ° | 160 ° |
| Screen Input Lag | 11 ms | |
| Display Minimum Response Time | 5 ms | 2 ms |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2.35 in 6 cm 59.72 mm 0.2 ft |
1.79 in 4.6 cm 45.5 mm 0.15 ft |
| Case Weight | 3.65 kg 8 lbs |
3.6 kg 8 lbs |
| Case Width with Stand | 22.64 in 57.5 cm 574.96 mm 1.89 ft |
22 in 55.9 cm 558.7 mm 1.83 ft |
| Case Height with Stand | 16.47 in 41.8 cm 418.24 mm 1.37 ft |
16.63 in 42.2 cm 422.4 mm 1.39 ft |
| Case Depth with Stand | 8.02 in 20.4 cm 203.68 mm 0.67 ft |
9.04 in 23 cm 229.7 mm 0.75 ft |
| Case Weight with Stand | 4.29 kg 9 lbs |
4.1 kg 9 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 2 x DVI-D Dual Link |
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 |
| Audio | ||
| Audio Speakers | 2 x 2W | |
| Features | ||
| Cool Features | HDCP (High-bandwidth Digital Content Protection) | AMD FreeSync technology Black Stabilization |
| Extra Features | Security lock slot | |
| Ergonomics | ||
| Case Width | 22.64 in 57.5 cm 574.96 mm 1.89 ft |
22 in 55.9 cm 558.7 mm 1.83 ft |
| Case Height | 14.03 in 35.6 cm 356.43 mm 1.17 ft |
13.88 in 35.3 cm 352.6 mm 1.16 ft |
| Vesa Mount Support | Yes | Yes |
| VESA Interface Standard Size | 100 x 100 | 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 | Yes | Yes |
| Forward Tilt | 4 ° | 5 ° |
| Backward Tilt | 21 ° | 23 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 56 Hz - 76 Hz | 47 Hz - 75 Hz |
| Horizontal Digital Frequency | 30 kHz - 83 kHz | 24 kHz - 84 kHz |
| Accessories | ||
| Extras | D-sub cable DVI cable |
Audio cable D-sub cable HDMI cable |
| Certificates and Standards | ||
| Licenses | ENERGY STAR 5.0 | CB CCC CE CEL Level 1 CU EAC ENERGY STAR EMC ErP eStandby FCC Class B RoHS VCCI WEEE |
| 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 % - 80 % | 10 % - 90 % |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
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| Internal Storage Humidity | 5 % - 90 % | |
| Max Operating Altitude | 3657.6 | |
| Max Storage Altitude | 12192 |
| Dell ST2421L | ViewSonic VX2457-mhd |
