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| General Info | ||
|---|---|---|
| Model Number | Dell U3821DW | Dell UltraSharp U2415 |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2021 | 2014 |
| Brand | Dell | Dell |
| Model Series | UltraSharp | |
| Model Number | U3821DW | UltraSharp U2415 |
| Display | ||
| Screen Size Class | 38" (inches) | 24" (inches) |
| Diagonal Size | 37.52 in 95.3 cm 952.9 mm 3.13 ft |
24.06 in 61.1 cm 611 mm 2 ft |
| Screen Width | 35.04 in 89 cm 890 mm 2.92 ft |
20.41 in 51.8 cm 518.4 mm 1.7 ft |
| Screen Height | 15.27 in 38.8 cm 387.8 mm 1.27 ft |
12.76 in 32.4 cm 324 mm 1.06 ft |
| Display Curvature | 2300 | |
| Display Manufacturer | LG Display | |
| Display Type | IPS | AH-IPS |
| Display Bit Depth | 10 bits | 8 bits (6 bits + FRC) |
| Frame Rate Control | Yes | |
| Max Number of Colors | 1073741824 | 16777216 |
| Bits | 30 | 24 |
| Screen Aspect Ratio | 24:10 | 16:10 |
| Screen Resolution | 3840 x 1600 | 1920 x 1200 |
| Screen Pixel Pitch | 0.229 mm | 0.27 mm |
| Screen Pixel Density | 109 ppi | 94 ppi |
| Screen-to-Body Ratio | 98.38 % | 90.02 % |
| Backlight Source | W-LED | W-LED |
| DCI P3 | 95% | |
| sRGB | 100 % | 99 % |
| NTSC 1953 | 72 % | |
| Screen Brightness | 300 cd/m² | 300 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 ° |
| Screen Input Lag | 12 ms | |
| Display Minimum Response Time | 5 ms | 6 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 |
1.8 in 4.6 cm 45.7 mm 0.15 ft |
| Case Weight | 8.8 kg 19 lbs |
4.25 kg 9 lbs |
| Case Width with Stand | 35.21 in 89.4 cm 894.3 mm 2.93 ft |
20.95 in 53.2 cm 532.2 mm 1.75 ft |
| Case Height with Stand | 17.47 in 44.4 cm 443.8 mm 1.46 ft |
15.86 in 40.3 cm 402.9 mm 1.32 ft |
| Case Depth with Stand | 9.89 in 25.1 cm 251.2 mm 0.82 ft |
8.07 in 20.5 cm 205 mm 0.67 ft |
| Case Weight with Stand | 13.6 kg 30 lbs |
8.35 kg 18 lbs |
| Case Color | Black | Black |
| 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) |
2 x HDMI 1.4 (MHL) 1 x DisplayPort (Input mini) 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 1 x DisplayPort (Output MST) 5 x USB 3.0 (downstream) 1 x USB 3.0 (upstream) |
| Audio | ||
| Audio Speakers | 2 x 9W | |
| Features | ||
| Cool Features | Low Blue Light Picture-by-Picture Picture-in-Picture Flicker-free technology KVM Switch |
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| Extra Features | Security lock slot | Anti-theft stand lock slot - Kensington |
| Ergonomics | ||
| Case Width | 35.21 in 89.4 cm 894.3 mm 2.93 ft |
20.95 in 53.2 cm 532.2 mm 1.75 ft |
| Case Height | 15.44 in 39.2 cm 392.3 mm 1.29 ft |
13.8 in 35.1 cm 350.6 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 | 120 mm 12 cm 4.7244 in 0.3937 ft |
115 mm 11.5 cm 4.5276 in 0.3773 ft |
| Landscape or Portrait Pivot Support | No | Yes |
| Left Pivot | 90 ° | |
| Right Pivot | 90 ° | |
| Left or Right Swivel Support | Yes | Yes |
| Left Swivel | 30 ° | 45 ° |
| Right Swivel | 30 ° | 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 - 76 Hz |
| Horizontal Digital Frequency | 30 kHz - 100 kHz | 30 kHz - 83 kHz |
| Screen Interpolation Measurement Unit | NULL | |
| Accessories | ||
| Extras | DisplayPort cable HDMI cable USB Type-C cable USB Type-B 3.2 Gen 1 cable |
DisplayPort cable - mini-DP to DP Factory calibration report USB 3.0 upstream cable |
| Certificates and Standards | ||
| Licenses | ENERGY STAR 8.0 EPEAT Gold RoHS TAA Availability TCO Certified Displays |
ENERGY STAR 6.0 Epeat Gold RoHS Compliant 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 U3821DW | Dell UltraSharp U2415 |
