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General Info | ||
---|---|---|
Model Number | Dell U2421HE | Dell U2722D |
Price | ||
Type | Monitor | Monitor |
Year | 2020 | 2021 |
Brand | Dell | Dell |
Model Series | UltraSharp | |
Model Number | U2421HE | U2722D |
Alias | U2722DX | |
Display | ||
Screen Size Class | 24" (inches) | 27" (inches) |
Diagonal Size | 23.81 in 60.5 cm 604.7 mm 1.98 ft |
26.96 in 68.5 cm 684.7 mm 2.25 ft |
Screen Width | 20.75 in 52.7 cm 527.04 mm 1.73 ft |
23.49 in 59.7 cm 596.736 mm 1.96 ft |
Screen Height | 11.67 in 29.6 cm 296.46 mm 0.97 ft |
13.22 in 33.6 cm 335.664 mm 1.1 ft |
Display Type | IPS | IPS |
Display Bit Depth | 8 bits | 10 bits |
Max Number of Colors | 16777216 | 1073741824 |
Bits | 24 | 30 |
Screen Aspect Ratio | 16:9 | 16:9 |
Screen Resolution | 1920 x 1080 | 2560 x 1440 |
Screen Pixel Pitch | 0.275 mm | 0.233 mm |
Screen Pixel Density | 92 ppi | 109 ppi |
Screen-to-Body Ratio | 92.49 % | 93.08 % |
Backlight Source | W-LED | W-LED |
DCI P3 | 89% | 95% |
sRGB | 99 % | 100 % |
Screen Brightness | 250 cd/m² | 350 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 | 8 ms | 8 ms |
Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
3D | No | No |
Size, weight, color | ||
Case Depth | 1.54 in 3.9 cm 39 mm 0.13 ft |
1.95 in 5 cm 49.5 mm 0.16 ft |
Case Weight | 3.37 kg 7 lbs |
4.38 kg 10 lbs |
Case Width with Stand | 21.2 in 53.9 cm 538.5 mm 1.77 ft |
24.07 in 61.1 cm 611.34 mm 2.01 ft |
Case Height with Stand | 13.72 in 34.8 cm 348.4 mm 1.14 ft |
15.16 in 38.5 cm 385.13 mm 1.26 ft |
Case Depth with Stand | 6.5 in 16.5 cm 165 mm 0.54 ft |
7.28 in 18.5 cm 185 mm 0.61 ft |
Case Weight with Stand | 5.32 kg 12 lbs |
6.61 kg 15 lbs |
Case Color | Black | Black and silver |
Hardware | ||
Built-in Camera | No | No |
Connectivity | 1 x USB 3.1 (Type-C; upstream; DP; 65W) 1 x Ethernet RJ45 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out 1 x DisplayPort 1.4 (Output MST) 1 x HDMI 1.4 2 x USB 3.0 (downstream) 2 x USB 3.0 (downstream; BC 1.2) |
1 x USB 3.2 (Type-C; PD 15W) 1 x USB 3.2 (Type-C; upstream) 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out 1 x DisplayPort 1.4 (Output MST) 1 x HDMI 1.4 2 x USB 3.2 (Type-A) 1 x USB 3.2 (Type-A; BC 1.2) |
Audio | ||
Features | ||
Cool Features | Flicker-free technology Low Blue Light |
Low Blue Light Dell ComfortView Plus Flicker-free technology |
Extra Features | Security lock slot | Security lock slot |
Ergonomics | ||
Case Width | 21.2 in 53.9 cm 538.5 mm 1.77 ft |
24.07 in 61.1 cm 611.34 mm 2.01 ft |
Case Height | 12.35 in 31.4 cm 313.7 mm 1.03 ft |
13.86 in 35.2 cm 352.01 mm 1.15 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 |
150 mm 15 cm 5.9055 in 0.4921 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 | 40 ° | 45 ° |
Right Swivel | 40 ° | 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 | 56 Hz - 60 Hz |
Horizontal Digital Frequency | 30 kHz - 83 kHz | 31.47 kHz - 88.79 kHz |
Screen Interpolation Measurement Unit | NULL | NULL |
Accessories | ||
Extras | DisplayPort cable USB Type-C to Type-C cable |
DisplayPort cable USB Type-C to Type-A cable HDMI cable (U2722DX) |
Certificates and Standards | ||
Licenses | ENERGY STAR EPEAT TCO Certified RoHS NFPA 99 |
ENERGY STAR EPEAT Gold TCO Certified Edge Display RoHS NFPA 99 |
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 % | 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 % - 90 % |
Max Operating Altitude | 5000 | 5000 |
Max Storage Altitude | 12192 | 12192 |
Dell U2421HE | Dell U2722D |