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| General Info | ||
|---|---|---|
| Model Number | Dell U3821DW | Dell U3023E |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2021 | 2022 |
| Brand | Dell | Dell |
| Model Series | UltraSharp | UltraSharp |
| Model Number | U3821DW | U3023E |
| Alias | UltraSharp U3023E | |
| Display | ||
| Screen Size Class | 38" (inches) | 30" (inches) |
| Diagonal Size | 37.52 in 95.3 cm 952.9 mm 3.13 ft |
29.77 in 75.6 cm 756.2 mm 2.48 ft |
| Screen Width | 35.04 in 89 cm 890 mm 2.92 ft |
25.25 in 64.1 cm 641.28 mm 2.1 ft |
| Screen Height | 15.27 in 38.8 cm 387.8 mm 1.27 ft |
15.78 in 40.1 cm 400.8 mm 1.31 ft |
| Display Curvature | 2300 | |
| Display Type | IPS | IPS |
| Display Bit Depth | 10 bits | 10 bits |
| Max Number of Colors | 1073741824 | 1073741824 |
| Bits | 30 | 30 |
| Screen Aspect Ratio | 24:10 | 16:10 |
| Screen Resolution | 3840 x 1600 | 2560 x 1600 |
| Screen Pixel Pitch | 0.229 mm | 0.251 mm |
| Screen Pixel Density | 109 ppi | 101 ppi |
| Screen-to-Body Ratio | 98.38 % | 93.61 % |
| Backlight Source | W-LED | W-LED |
| DCI P3 | 95% | 95% |
| sRGB | 100 % | 100 % |
| Screen Brightness | 300 cd/m² | 350 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 2000000 : 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 600 | |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 4.03 in 10.2 cm 102.4 mm 0.34 ft |
2.09 in 5.3 cm 53 mm 0.17 ft |
| Case Weight | 8.8 kg 19 lbs |
6.48 kg 14 lbs |
| Case Width with Stand | 35.21 in 89.4 cm 894.3 mm 2.93 ft |
25.82 in 65.6 cm 655.9 mm 2.15 ft |
| Case Height with Stand | 17.47 in 44.4 cm 443.8 mm 1.46 ft |
18.61 in 47.3 cm 472.7 mm 1.55 ft |
| Case Depth with Stand | 9.89 in 25.1 cm 251.2 mm 0.82 ft |
9.06 in 23 cm 230 mm 0.75 ft |
| Case Weight with Stand | 13.6 kg 30 lbs |
11.13 kg 24 lbs |
| Case Color | Black | Black and Silver |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 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) |
1 x USB 3.2 (Type-C; Gen 2; 10 Gbps upstream; 90W; Dp Alt Mode) 1 x USB 3.2 (Type-C; Gen 2; upstream) 1 x HDMI 1.4 1 x DisplayPort 1.4 (DSC) 1 x DisplayPort 1.4 (out with MST) 1 x Ethernet RJ45 (MAC Address pass-through; PXE Boot; Wake-on-LAN) 4 x USB 3.2 (Type-A; Gen 2; 10 Gbps downstream) 1 x 3.5 mm Audio Out 1 x USB 3.2 (Type-C; Gen 2; 10 Gbps downstream; 15W) |
| Audio | ||
| Audio Speakers | 2 x 9W | |
| Features | ||
| Cool Features | Low Blue Light Picture-by-Picture Picture-in-Picture Flicker-free technology KVM Switch |
Display Stream Compression (DSC) Flicker-free technology Low Blue Light Picture-in-Picture Picture-by-Picture KVM Switch ComfortView Plus Dell Display Manager (DDM) Compatibility |
| Extra Features | Security lock slot | |
| Ergonomics | ||
| Case Width | 35.21 in 89.4 cm 894.3 mm 2.93 ft |
25.82 in 65.6 cm 655.9 mm 2.15 ft |
| Case Height | 15.44 in 39.2 cm 392.3 mm 1.29 ft |
16.48 in 41.9 cm 418.6 mm 1.37 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 | 120 mm 12 cm 4.7244 in 0.3937 ft |
150 mm 15 cm 5.9055 in 0.4921 ft |
| Landscape or Portrait Pivot Support | No | Yes |
| Left Pivot | 90 ° | |
| Right Pivot | 90 ° | |
| Left or Right Swivel Support | Yes | Yes |
| Left Swivel | 30 ° | 30 ° |
| Right Swivel | 30 ° | 30 ° |
| 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 - 76 Hz |
| Horizontal Digital Frequency | 30 kHz - 100 kHz | 30 kHz - 113 kHz |
| Screen Interpolation Measurement Unit | NULL | NULL |
| Accessories | ||
| Extras | DisplayPort cable HDMI cable USB Type-C cable USB Type-B 3.2 Gen 1 cable |
DisplayPort cable USB Gen 2 Type-A to Type-C cable USB Gen 2 Type-C PD 3.0 cable |
| Certificates and Standards | ||
| Licenses | ENERGY STAR 8.0 EPEAT Gold RoHS TAA Availability TCO Certified Displays |
Energy Star EPEAT Gold RoHS TCO Certified TCO Edge TUV Rheinland Low Blue Light Certified (Hardware Solution) |
| 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 U3821DW | Dell U3023E |
