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| General Info | ||
|---|---|---|
| Model Number | Dell P2421 | AOC U2790PQU |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2020 | 2019 |
| Brand | Dell | AOC |
| Model Number | P2421 | U2790PQU |
| Display | ||
| Screen Size Class | 24" (inches) | 27" (inches) |
| Diagonal Size | 24.06 in 61.1 cm 611 mm 2 ft |
27 in 68.6 cm 685.8 mm 2.25 ft |
| Screen Width | 20.41 in 51.8 cm 518.4 mm 1.7 ft |
23.49 in 59.7 cm 596.74 mm 1.96 ft |
| Screen Height | 12.76 in 32.4 cm 324 mm 1.06 ft |
13.21 in 33.6 cm 335.66 mm 1.1 ft |
| Display Manufacturer | Panda | |
| Display Type | IPS | IPS |
| Display Bit Depth | 8 bits | 10 bits (8 bits + FRC) |
| Frame Rate Control | Yes | |
| Max Number of Colors | 16777216 | 1073741824 |
| Bits | 24 | 30 |
| Screen Aspect Ratio | 16:10 | 16:9 |
| Screen Resolution | 1920 x 1200 | 3840 x 2160 |
| Screen Pixel Pitch | 0.27 mm | 0.155 mm |
| Screen Pixel Density | 94 ppi | 163 ppi |
| Screen-to-Body Ratio | 86.78 % | |
| Backlight Source | W-LED | W-LED |
| sRGB | 99 % | 108 % |
| NTSC 1953 | 91 % | |
| Screen Brightness | 300 cd/m² | 350 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 50000000 : 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 | 8 ms | |
| Display Coating | Anti-glare/Matte (3H) | |
| 3D | No | |
| Size, weight, color | ||
| Case Depth | 1.74 in 4.4 cm 44.1 mm 0.14 ft |
|
| Case Weight | 3.5 kg 8 lbs |
|
| Case Width with Stand | 20.91 in 53.1 cm 531 mm 1.74 ft |
24.21 in 61.5 cm 614.9 mm 2.02 ft |
| Case Height with Stand | 14.6 in 37.1 cm 370.8 mm 1.22 ft |
21.06 in 53.5 cm 535 mm 1.76 ft |
| Case Depth with Stand | 6.54 in 16.6 cm 166 mm 0.54 ft |
7.85 in 20 cm 199.5 mm 0.65 ft |
| Case Weight with Stand | 6.5 kg 14 lbs |
|
| Case Color | Black, Gray | |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 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) |
2 x HDMI 3.0 2 x DisplayPort 3.0 1 x 3.5 mm Audio Out 2.0 2 x USB 3.0 1 x HDMI 1.4 |
| Audio | ||
| Audio Speakers | 2 x 2W | |
| Features | ||
| Cool Features | Flicker-free technology Low Blue Light |
Low Blue Light Flicker-free technology HDCP (High-bandwidth Digital Content Protection) |
| Extra Features | Security lock slot | Anti-theft stand lock slot - Kensington |
| Ergonomics | ||
| Case Width | 20.91 in 53.1 cm 531 mm 1.74 ft |
|
| Case Height | 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 ° | 0 ° |
| 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 ° | 3.5 ° |
| Backward Tilt | 21 ° | 21.5 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 60 Hz | 60 Hz |
| Screen Interpolation Measurement Unit | NULL | |
| Accessories | ||
| Extras | DisplayPort cable D-Sub cable (Japan only) |
HDMI cable USB 3.0 cable DisplayPort cable CD with drivers/manuals |
| Certificates and Standards | ||
| Licenses | ENERGY STAR EPEAT RoHS TCO Certified Display |
CCC CE EAC ENERGY STAR 7.0 RoHS TCO Certified Displays 7.0 |
| 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 | 20 % - 80 % | 10 % - 85 % |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
-20 °C - 60 °C -4 °F - 140 °F |
| Internal Storage Humidity | 10 % - 90 % | 5 % - 90 % |
| Max Operating Altitude | 5000 | 3657.6 |
| Max Storage Altitude | 12192 | 12192 |
| Dell P2421 | AOC U2790PQU |
