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| General Info | ||
|---|---|---|
| Model Number | Lenovo D22e-20 | Dell S2421HN |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2021 | 2020 |
| Brand | Lenovo | Dell |
| Model Number | D22e-20 | S2421HN |
| Alias | 66D2KAC6 | S2421NX |
| Display | ||
| Screen Size Class | 21" (inches) | 24" (inches) |
| Diagonal Size | 21.45 in 54.5 cm 544.846 mm 1.79 ft |
23.8 in 60.4 cm 604.478 mm 1.98 ft |
| Screen Width | 18.84 in 47.9 cm 478.656 mm 1.57 ft |
20.75 in 52.7 cm 527.04 mm 1.73 ft |
| Screen Height | 10.25 in 26 cm 260.28 mm 0.85 ft |
11.67 in 29.6 cm 296.46 mm 0.97 ft |
| Display Type | VA | 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 | 16:9 |
| Screen Resolution | 1920 x 1080 | 1920 x 1080 |
| Screen Pixel Pitch | 0.249 mm | 0.275 mm |
| Screen Pixel Density | 102 ppi | 92 ppi |
| Screen-to-Body Ratio | 86.48 % | 90.06 % |
| Backlight Source | W-LED | W-LED |
| NTSC 1953 | 72 % | 72 % |
| Screen Brightness | 250 cd/m² | 250 cd/m² |
| Static Screen Contrast | 3000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 3000000 : 1 | |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Display Minimum Response Time | 4 ms | |
| Display Average Response Time | 8 ms | |
| Display Coating | Anti-glare/Matte | Anti-glare/Matte (3H) |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2.07 in 5.3 cm 52.5 mm 0.17 ft |
2.12 in 5.4 cm 53.8 mm 0.18 ft |
| Case Weight | 2.3 kg 5 lbs |
3.3 kg 7 lbs |
| Case Width with Stand | 19.41 in 49.3 cm 493 mm 1.62 ft |
21.17 in 53.8 cm 537.8 mm 1.76 ft |
| Case Height with Stand | 14.46 in 36.7 cm 367.4 mm 1.21 ft |
16.25 in 41.3 cm 412.8 mm 1.35 ft |
| Case Depth with Stand | 19.41 in 49.3 cm 493 mm 1.62 ft |
6.02 in 15.3 cm 152.8 mm 0.5 ft |
| Case Weight with Stand | 2.6 kg 6 lbs |
4.1 kg 9 lbs |
| Case Color | Raven Black | Black, Silver |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x D-sub |
2 x HDMI 1.4 1 x 3.5 mm Audio Out |
| Audio | ||
| Features | ||
| Cool Features | Flicker-free technology Low Blue Light 3-side NearEdgeles design AMD FreeSync technology |
Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology |
| Extra Features | Anti-theft stand lock slot - Kensington | Anti-theft stand lock slot - Kensington S2421HN - silver S2421NX - black |
| Ergonomics | ||
| Case Width | 19.41 in 49.3 cm 493 mm 1.62 ft |
21.17 in 53.8 cm 537.8 mm 1.76 ft |
| Case Height | 11.5 in 29.2 cm 292.2 mm 0.96 ft |
12.7 in 32.3 cm 322.6 mm 1.06 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 | 22 ° | 21 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 48 Hz - 75 Hz | 48 Hz - 75 Hz |
| Horizontal Digital Frequency | 30 kHz - 83 kHz | |
| Screen Interpolation Measurement Unit | NULL | NULL |
| Accessories | ||
| Extras | HDMI cable | HDMI cable |
| Certificates and Standards | ||
| Licenses | CCC China Energy Efficiency Standard Tier 1 RoHS (EU 2002/95/EC) TÜV Rheinland Flicker Free TÜV Rheinland Low Blue Light Windows Certification (Windows 10) |
ENERGY STAR 8.0 EPEAT RoHS TCO Certified TUV Flicker Free TUV Low Blue Light |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 45 °C 32 °F - 113 °F |
0 °C - 40 °C 32 °F - 104 °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 % - 95 % | 5 % - 90 % |
| Max Operating Altitude | 5000 | 5000 |
| Max Storage Altitude | 12192 | 12192 |
| Lenovo D22e-20 | Dell S2421HN |
