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| General Info | ||
|---|---|---|
| Model Number | Dell E2421HN | Lenovo C22-20 |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2020 | 2020 |
| Brand | Dell | Lenovo |
| Model Number | E2421HN | C22-20 |
| Alias | 62A7KAR1 | |
| Display | ||
| Screen Size Class | 24" (inches) | 22" (inches) |
| Diagonal Size | 23.81 in 60.5 cm 604.7 mm 1.98 ft |
21.5 in 54.6 cm 546.1 mm 1.79 ft |
| Screen Width | 20.75 in 52.7 cm 527.04 mm 1.73 ft |
18.77 in 47.7 cm 476.64 mm 1.56 ft |
| Screen Height | 11.67 in 29.6 cm 296.46 mm 0.97 ft |
10.56 in 26.8 cm 268.11 mm 0.88 ft |
| Display Type | IPS | TN |
| 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 | 16:9 |
| Screen Resolution | 1920 x 1080 | 1920 x 1080 |
| Screen Pixel Pitch | 0.275 mm | 0.248 mm |
| Screen Pixel Density | 92 ppi | 102 ppi |
| Screen-to-Body Ratio | 86.91 % | 81.09 % |
| 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 | 3000000 : 1 | |
| Screen Horizontal Viewing Angle | 178 ° | 170 ° |
| Screen Vertical Viewing Angle | 178 ° | 160 ° |
| Display Minimum Response Time | 5 ms | 5 ms |
| Display Average Response Time | 8 ms | |
| Display Coating | Anti-glare/Matte | Anti-glare/Matte |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2.06 in 5.2 cm 52.4 mm 0.17 ft |
2.01 in 5.1 cm 51.1 mm 0.17 ft |
| Case Weight | 3.25 kg 7 lbs |
2.4 kg 5 lbs |
| Case Width with Stand | 21.68 in 55.1 cm 550.6 mm 1.81 ft |
19.97 in 50.7 cm 507.2 mm 1.66 ft |
| Case Height with Stand | 16.52 in 42 cm 419.7 mm 1.38 ft |
15.21 in 38.6 cm 386.4 mm 1.27 ft |
| Case Depth with Stand | 6.73 in 17.1 cm 171 mm 0.56 ft |
8.12 in 20.6 cm 206.2 mm 0.68 ft |
| Case Weight with Stand | 4.27 kg 9 lbs |
2.71 kg 6 lbs |
| Case Color | Black | Black |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x HDMI 1.4 1 x D-sub |
1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x D-sub |
| Audio | ||
| Features | ||
| Cool Features | Flicker-free technology Low Blue Light Power Nap ComfortView Dell Display Manager |
Low Blue Light DDC/CI Flicker-free technology |
| Extra Features | Security lock slot | Anti-theft stand lock slot - Kensington |
| Ergonomics | ||
| Case Width | 21.68 in 55.1 cm 550.6 mm 1.81 ft |
19.97 in 50.7 cm 507.2 mm 1.66 ft |
| Case Height | 12.85 in 32.7 cm 326.5 mm 1.07 ft |
12.23 in 31.1 cm 310.7 mm 1.02 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 | 5 ° | 5 ° |
| Backward Tilt | 21 ° | 22 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 56 Hz - 76 Hz | 50 Hz - 75 Hz |
| Horizontal Digital Frequency | 30 kHz - 83 kHz | 30 kHz - 81 kHz |
| Screen Interpolation Measurement Unit | NULL | NULL |
| Accessories | ||
| Extras | D-Sub cable HDMI cable |
D-sub cable (EMEA only) HDMI cable (NA; LA; AP only) |
| Certificates and Standards | ||
| Licenses | Energy Star EPEAT TCO Certified Display |
CCC China Energy Efficiency Standard RoHS (EU 2002/95/EC) TÜV Rheinland Flicker Free TÜV Rheinland Low Blue Light Windows Certification (Windows 7 Windows 10) |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 40 °C 32 °F - 104 °F |
0 °C - 45 °C 32 °F - 113 °F |
| Safe Operating Humidity Level | 10 % - 80 % | 10 % - 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 % | 5 % - 95 % |
| Max Operating Altitude | 5000 | 5000 |
| Max Storage Altitude | 12192 | 12192 |
| Dell E2421HN | Lenovo C22-20 |
