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| General Info | ||
|---|---|---|
| Model Number | Dell P2223HC | Dell P2421 |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2022 | 2020 |
| Brand | Dell | Dell |
| Model Number | P2223HC | P2421 |
| Display | ||
| Screen Size Class | 21" (inches) | 24" (inches) |
| Diagonal Size | 21.5 in 54.6 cm 546.1 mm 1.79 ft |
24.06 in 61.1 cm 611 mm 2 ft |
| Screen Width | 18.74 in 47.6 cm 476.06 mm 1.56 ft |
20.41 in 51.8 cm 518.4 mm 1.7 ft |
| Screen Height | 10.54 in 26.8 cm 267.79 mm 0.88 ft |
12.76 in 32.4 cm 324 mm 1.06 ft |
| Display Type | IPS | 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 | 1920 x 1080 | 1920 x 1200 |
| Screen Pixel Pitch | 0.248 mm | 0.27 mm |
| Screen Pixel Density | 102 ppi | 94 ppi |
| Screen-to-Body Ratio | 90.22 % | 86.78 % |
| Backlight Source | W-LED | W-LED |
| sRGB | 99 % | 99 % |
| Screen Brightness | 250 cd/m² | 300 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Display Minimum Response Time | 5 ms | 5 ms |
| Display Average Response Time | 14 ms | 8 ms |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| 3D | No | |
| Size, weight, color | ||
| Case Depth | 2.05 in 5.2 cm 52.15 mm 0.17 ft |
1.74 in 4.4 cm 44.1 mm 0.14 ft |
| Case Weight | 3.03 kg 7 lbs |
3.5 kg 8 lbs |
| Case Width with Stand | 19.18 in 48.7 cm 487.26 mm 1.6 ft |
20.91 in 53.1 cm 531 mm 1.74 ft |
| Case Height with Stand | 14.33 in 36.4 cm 364 mm 1.19 ft |
14.6 in 37.1 cm 370.8 mm 1.22 ft |
| Case Depth with Stand | 7.07 in 18 cm 179.57 mm 0.59 ft |
6.54 in 16.6 cm 166 mm 0.54 ft |
| Case Weight with Stand | 4.97 kg 11 lbs |
|
| Case Color | Black | |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x HDMI 1.4 1 x DisplayPort 1.2 (out with MST) 1 x DisplayPort 1.2 (in) 4 x USB 3.2 (Type-A; Gen 1; 5 Gbps downstream) 1 x USB 3.2 (Type-C; upstream; 65W; DP Alt Mode) |
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 | Flicker-free technology Low Blue Light ComfortView Plus Dell Display Manager |
Flicker-free technology Low Blue Light |
| Extra Features | Security lock slot | Security lock slot |
| Ergonomics | ||
| Case Width | 19.18 in 48.7 cm 487.26 mm 1.6 ft |
20.91 in 53.1 cm 531 mm 1.74 ft |
| Case Height | 11.42 in 29 cm 289.99 mm 0.95 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 | 150 mm 15 cm 5.9055 in 0.4921 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 - 76 Hz | 60 Hz |
| Horizontal Digital Frequency | 30 kHz - 83 kHz | |
| Screen Interpolation Measurement Unit | NULL | NULL |
| Accessories | ||
| Extras | DisplayPort cable | DisplayPort cable D-Sub cable (Japan only) |
| Certificates and Standards | ||
| Licenses | Energy Star EPEAT Gold RoHS TCO Edge Certified Displays TUV Rheinland Flicker-freeCertified TUV Rheinland Low Blue Light Certified |
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 | 12192 | 12192 |
| Dell P2223HC | Dell P2421 |
