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| General Info | ||
|---|---|---|
| Model Number | Dell P2018H | Dell P2421 |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2017 | 2020 |
| Brand | Dell | Dell |
| Model Number | P2018H | P2421 |
| Display | ||
| Screen Size Class | 20" (inches) | 24" (inches) |
| Diagonal Size | 19.45 in 49.4 cm 494 mm 1.62 ft |
24.06 in 61.1 cm 611 mm 2 ft |
| Screen Width | 17.08 in 43.4 cm 433.92 mm 1.42 ft |
20.41 in 51.8 cm 518.4 mm 1.7 ft |
| Screen Height | 9.3 in 23.6 cm 236.34 mm 0.78 ft |
12.76 in 32.4 cm 324 mm 1.06 ft |
| Display Type | TN | IPS |
| Display Bit Depth | 8 bits (6 bits + FRC) | 8 bits |
| Frame Rate Control | Yes | |
| Max Number of Colors | 16777216 | 16777216 |
| Bits | 24 | 24 |
| Screen Aspect Ratio | 16:9 | 16:10 |
| Screen Resolution | 1600 x 900 | 1920 x 1200 |
| Screen Pixel Pitch | 0.271 mm | 0.27 mm |
| Screen Pixel Density | 93 ppi | 94 ppi |
| Screen-to-Body Ratio | 81.34 % | 86.78 % |
| Backlight Source | W-LED | W-LED |
| sRGB | 99 % | |
| NTSC 1953 | 72 % | |
| Screen Brightness | 250 cd/m² | 300 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Screen Horizontal Viewing Angle | 170 ° | 178 ° |
| Screen Vertical Viewing Angle | 160 ° | 178 ° |
| Display Minimum Response Time | 5 ms | 5 ms |
| Display Average Response Time | 8 ms | |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| 3D | No | |
| Size, weight, color | ||
| Case Depth | 1.97 in 5 cm 50.1 mm 0.16 ft |
1.74 in 4.4 cm 44.1 mm 0.14 ft |
| Case Weight | 2.4 kg 5 lbs |
3.5 kg 8 lbs |
| Case Width with Stand | 18.17 in 46.2 cm 461.5 mm 1.51 ft |
20.91 in 53.1 cm 531 mm 1.74 ft |
| Case Height with Stand | 13.34 in 33.9 cm 338.8 mm 1.11 ft |
14.6 in 37.1 cm 370.8 mm 1.22 ft |
| Case Depth with Stand | 7.09 in 18 cm 180 mm 0.59 ft |
6.54 in 16.6 cm 166 mm 0.54 ft |
| Case Color | Black | |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x HDMI 1.4 1 x DisplayPort 1.2 1 x D-sub 4 x USB 3.0 (downstream) 1 x USB 3.0 (upstream) |
1 x USB 3.0 (upstream) 1 x HDMI 1.4 1 x DVI-D 1 x D-sub 1 x DisplayPort 1.2 2 x USB 2.0 (downstream) 2 x USB 3.0 (downstream) |
| Audio | ||
| Features | ||
| Cool Features | HDCP (High-bandwidth Digital Content Protection) | Flicker-free technology Low Blue Light |
| Extra Features | Security lock slot | Security lock slot |
| Ergonomics | ||
| Case Width | 18.17 in 46.2 cm 461.5 mm 1.51 ft |
20.91 in 53.1 cm 531 mm 1.74 ft |
| Case Height | 10.76 in 27.3 cm 273.2 mm 0.9 ft |
14.35 in 36.5 cm 364.5 mm 1.2 ft |
| Vesa Mount Support | Yes | Yes |
| VESA Interface Standard Size | 100 x 100 | 100 x 100 |
| Removable VESA Stand | Yes | Yes |
| Height Adjustment | Yes | Yes |
| Height Adjustment Range | 130 mm 13 cm 5.1181 in 0.4265 ft |
130 mm 13 cm 5.1181 in 0.4265 ft |
| Landscape or Portrait Pivot Support | Yes | Yes |
| Left Pivot | 90 ° | 90 ° |
| Right Pivot | 90 ° | 90 ° |
| Left or Right Swivel Support | Yes | Yes |
| Left Swivel | 45 ° | 45 ° |
| Right Swivel | 45 ° | 45 ° |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 21 ° | 21 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 56 Hz - 75 Hz | 60 Hz |
| Horizontal Digital Frequency | 30 kHz - 83 kHz | |
| Screen Interpolation Measurement Unit | NULL | |
| Accessories | ||
| Extras | D-sub cable DisplayPort cable USB 3.0 upstream cable |
DisplayPort cable D-Sub cable (Japan only) |
| Certificates and Standards | ||
| Licenses | ENERGY STAR Epeat Gold RoHS TCO Certified Displays |
ENERGY STAR EPEAT RoHS TCO Certified Display |
| 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 % | 20 % - 80 % |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
-20 °C - 60 °C -4 °F - 140 °F |
| Internal Storage Humidity | 5 % - 90 % | 10 % - 90 % |
| Max Operating Altitude | 5000 | 5000 |
| Max Storage Altitude | 12191 | 12192 |
| Dell P2018H | Dell P2421 |
