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| General Info | ||
|---|---|---|
| Model Number | Dell U2720Q | Dell U3821DW |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2020 | 2021 |
| Brand | Dell | Dell |
| Model Series | UltraSharp | UltraSharp |
| Model Number | U2720Q | U3821DW |
| Alias | UltraSharp U2720Q | |
| Display | ||
| Screen Size Class | 27" (inches) | 38" (inches) |
| Diagonal Size | 26.96 in 68.5 cm 684.7 mm 2.25 ft |
37.52 in 95.3 cm 952.9 mm 3.13 ft |
| Screen Width | 23.49 in 59.7 cm 596.736 mm 1.96 ft |
35.04 in 89 cm 890 mm 2.92 ft |
| Screen Height | 13.22 in 33.6 cm 335.664 mm 1.1 ft |
15.27 in 38.8 cm 387.8 mm 1.27 ft |
| Display Curvature | 2300 | |
| Display Type | IPS | IPS |
| Display Bit Depth | 10 bits (8 bits + FRC) | 10 bits |
| Frame Rate Control | Yes | |
| Max Number of Colors | 1073741824 | 1073741824 |
| Bits | 30 | 30 |
| Screen Aspect Ratio | 16:9 | 24:10 |
| Screen Resolution | 3840 x 2160 | 3840 x 1600 |
| Screen Pixel Pitch | 0.155 mm | 0.229 mm |
| Screen Pixel Density | 163 ppi | 109 ppi |
| Screen-to-Body Ratio | 92.04 % | 98.38 % |
| Backlight Source | W-LED | W-LED |
| DCI P3 | 95% | 95% |
| sRGB | 99 % | 100 % |
| Screen Brightness | 350 cd/m² | 300 cd/m² |
| Static Screen Contrast | 1300 : 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) |
| HDR | DisplayHDR 400 | DisplayHDR 600 |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 1.96 in 5 cm 49.7 mm 0.16 ft |
4.03 in 10.2 cm 102.4 mm 0.34 ft |
| Case Weight | 4.4 kg 10 lbs |
8.8 kg 19 lbs |
| Case Width with Stand | 24.07 in 61.1 cm 611.3 mm 2.01 ft |
35.21 in 89.4 cm 894.3 mm 2.93 ft |
| Case Height with Stand | 15.56 in 39.5 cm 395.2 mm 1.3 ft |
17.47 in 44.4 cm 443.8 mm 1.46 ft |
| Case Depth with Stand | 7.28 in 18.5 cm 185 mm 0.61 ft |
9.89 in 25.1 cm 251.2 mm 0.82 ft |
| Case Weight with Stand | 6.6 kg 15 lbs |
13.6 kg 30 lbs |
| Case Color | Black | Black |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x USB 3.0 (Type-C; 90W; DisplayPort) 1 x USB 3.0 (Type-C; downstream; 15W) 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out 1 x HDMI 2.0 (CEC) 1 x USB 3.0 (downstream; BC 1.2 charging at 2A) 2 x USB 3.0 (Type-A; downstream) |
1 x USB 3.2 (Type-C; upstream; 90W; DP Alt Mode) 4 x USB 3.2 (Type-A; Gen 1; downstream) 2 x HDMI 2.0 1 x 3.5 mm Audio Out (line-out for speakers) 1 x DisplayPort 1.4 1 x Ethernet RJ45 1 x USB 3.2 (Type-B; Gen 1; upstream) 1 x USB 3.2 (Type-C; downstream) |
| Audio | ||
| Audio Speakers | 2 x 9W | |
| Features | ||
| Cool Features | Flicker-free technology Low Blue Light |
Low Blue Light Picture-by-Picture Picture-in-Picture Flicker-free technology KVM Switch |
| Extra Features | Security lock slot | Security lock slot |
| Ergonomics | ||
| Case Width | 24.07 in 61.1 cm 611.3 mm 2.01 ft |
35.21 in 89.4 cm 894.3 mm 2.93 ft |
| Case Height | 14.02 in 35.6 cm 356 mm 1.17 ft |
15.44 in 39.2 cm 392.3 mm 1.29 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 |
120 mm 12 cm 4.7244 in 0.3937 ft |
| Landscape or Portrait Pivot Support | Yes | No |
| Left Pivot | 90 ° | |
| Right Pivot | 90 ° | |
| Left or Right Swivel Support | Yes | Yes |
| Left Swivel | 45 ° | 30 ° |
| Right Swivel | 45 ° | 30 ° |
| 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 - 100 kHz | |
| Screen Interpolation Measurement Unit | NULL | NULL |
| Accessories | ||
| Extras | DisplayPort cable USB Type-C to Type-C cable USB Type-C to Type-A cable |
DisplayPort cable HDMI cable USB Type-C cable USB Type-B 3.2 Gen 1 cable |
| Certificates and Standards | ||
| Licenses | BFR-free CEL ENERGY STAR 6.0 EPEAT Mercury-free NFPA 99 PVC-free RoHS Compliant TCO |
ENERGY STAR 8.0 EPEAT Gold RoHS TAA Availability TCO Certified Displays |
| 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 U2720Q | Dell U3821DW |
