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General Info | ||
---|---|---|
Model Number | Dell U2421E | Dell U2721DE |
Price | ||
Type | Monitor | Monitor |
Year | 2020 | 2020 |
Brand | Dell | Dell |
Model Number | U2421E | U2721DE |
Display | ||
Screen Size Class | 24" (inches) | 27" (inches) |
Diagonal Size | 24.06 in 61.1 cm 611 mm 2 ft |
26.96 in 68.5 cm 684.7 mm 2.25 ft |
Screen Width | 20.41 in 51.8 cm 518.4 mm 1.7 ft |
23.49 in 59.7 cm 596.736 mm 1.96 ft |
Screen Height | 12.76 in 32.4 cm 324 mm 1.06 ft |
13.22 in 33.6 cm 335.664 mm 1.1 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 | 16:10 | 16:9 |
Screen Resolution | 1920 x 1200 | 2560 x 1440 |
Screen Pixel Pitch | 0.275 mm | 0.233 mm |
Screen Pixel Density | 94 ppi | 109 ppi |
Screen-to-Body Ratio | 100.87 % | 92.16 % |
Backlight Source | W-LED | W-LED |
DCI P3 | 89% | |
sRGB | 99 % | 99 % |
Screen Brightness | 350 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 |
1.54 in 3.9 cm 39 mm 0.13 ft |
Case Weight | 4 kg 9 lbs |
4.19 kg 9 lbs |
Case Width with Stand | 20.9 in 53.1 cm 530.8 mm 1.74 ft |
24.1 in 61.2 cm 612.2 mm 2.01 ft |
Case Height with Stand | 14.33 in 36.4 cm 364 mm 1.19 ft |
15.36 in 39 cm 390.2 mm 1.28 ft |
Case Depth with Stand | 6.81 in 17.3 cm 173 mm 0.57 ft |
7.09 in 18 cm 180 mm 0.59 ft |
Case Weight with Stand | 6.1 kg 13 lbs |
6.24 kg 14 lbs |
Case Color | Black | Black |
Hardware | ||
Built-in Camera | No | No |
Connectivity | 1 x USB 3.2 (Type-C; Gen 1; upstream; 90W; DP Alt Mode) 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 4 x USB 3.2 (Type-A; Gen 1; downstream; 2x BC 1.2) 1 x USB 3.2 (Type-C; Gen 1; downstream; 15W) |
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) |
Audio | ||
Features | ||
Cool Features | Easy Arrange Flicker-free technology Low Blue Light Infinity Edge design ComfortView Plus Dell Display Manager |
Flicker-free technology Low Blue Light |
Extra Features | Security lock slot | Security lock slot |
Ergonomics | ||
Case Width | 20.9 in 53.1 cm 530.8 mm 1.74 ft |
24.1 in 61.2 cm 612.2 mm 2.01 ft |
Case Height | 12.35 in 31.4 cm 313.7 mm 1.03 ft |
13.98 in 35.5 cm 355 mm 1.16 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 ° | 40 ° |
Right Swivel | 45 ° | 40 ° |
Forward and Backward Tilt Support | Yes | Yes |
Forward Tilt | 5 ° | 5 ° |
Backward Tilt | 21 ° | 21 ° |
Frequency and Interpolation | ||
Vertical Digital Frequency | 60 Hz | 56 Hz - 76 Hz |
Horizontal Digital Frequency | 30 kHz - 83 kHz | 30 kHz - 90 kHz |
Screen Interpolation Measurement Unit | NULL | NULL |
Accessories | ||
Extras | DisplayPort cable USB Type-C to Type-A cable USB Type-C to Type-C cable |
DisplayPort cable USB Type-C to Type-C cable |
Certificates and Standards | ||
Licenses | ENERGY STAR EPEAT Golf TCO Certified TUV Rheinland Low Blue Light Certified |
ENERGY STAR EPEAT TCO Certified 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 U2421E | Dell U2721DE |