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| General Info | ||
|---|---|---|
| Model Number | Dell U3821DW | Samsung U28E590D |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2021 | 2015 |
| Brand | Dell | Samsung |
| Model Series | UltraSharp | |
| Model Number | U3821DW | U28E590D |
| Alias | LU28E590DS/ZA | |
| Display | ||
| Screen Size Class | 38" (inches) | 28" (inches) |
| Diagonal Size | 37.52 in 95.3 cm 952.9 mm 3.13 ft |
28 in 71.1 cm 711.2 mm 2.33 ft |
| Screen Width | 35.04 in 89 cm 890 mm 2.92 ft |
24.45 in 62.1 cm 620.928 mm 2.04 ft |
| Screen Height | 15.27 in 38.8 cm 387.8 mm 1.27 ft |
13.44 in 34.1 cm 341.28 mm 1.12 ft |
| Display Curvature | 2300 | |
| Display Manufacturer | Innolux | |
| Display Type | IPS | TN |
| Display Bit Depth | 10 bits | 10 bits (8 bits + FRC) |
| Frame Rate Control | Yes | |
| Max Number of Colors | 1073741824 | 1073741824 |
| Bits | 30 | 30 |
| Screen Aspect Ratio | 24:10 | 16:9 |
| Screen Resolution | 3840 x 1600 | 3840 x 2160 |
| Screen Pixel Pitch | 0.229 mm | 0.16 mm |
| Screen Pixel Density | 109 ppi | 157 ppi |
| Screen-to-Body Ratio | 98.38 % | 84.09 % |
| Backlight Source | W-LED | W-LED |
| DCI P3 | 95% | |
| sRGB | 100 % | 98 % |
| Adobe RGB 1998 | 67 % | |
| NTSC 1953 | 72 % | |
| Screen Brightness | 300 cd/m² | 370 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 100000000 : 1 | |
| Screen Horizontal Viewing Angle | 178 ° | 170 ° |
| Screen Vertical Viewing Angle | 178 ° | 160 ° |
| Screen Input Lag | 15 ms | |
| Display Minimum Response Time | 5 ms | 1 ms |
| Display Average Response Time | 8 ms | 3.5 ms |
| Display Maximum Response Time | 23 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 |
2.89 in 7.4 cm 73.5 mm 0.24 ft |
| Case Weight | 8.8 kg 19 lbs |
4.7 kg 10 lbs |
| Case Width with Stand | 35.21 in 89.4 cm 894.3 mm 2.93 ft |
26.02 in 66.1 cm 660.9 mm 2.17 ft |
| Case Height with Stand | 17.47 in 44.4 cm 443.8 mm 1.46 ft |
18.44 in 46.9 cm 468.5 mm 1.54 ft |
| Case Depth with Stand | 9.89 in 25.1 cm 251.2 mm 0.82 ft |
7.37 in 18.7 cm 187.1 mm 0.61 ft |
| Case Weight with Stand | 13.6 kg 30 lbs |
5.28 kg 12 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) |
1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x HDMI 2.0 |
| Audio | ||
| Audio Speakers | 2 x 9W | |
| Features | ||
| Cool Features | Low Blue Light Picture-by-Picture Picture-in-Picture Flicker-free technology KVM Switch |
Eye saver mode Flicker-free technology UHD Upscale Low Blue Light Picture-in-Picture Picture-by-Picture HDCP (High-bandwidth Digital Content Protection) AMD FreeSync technology Samsung MagicAngle Eco Saving Plus Samsung MagicBright |
| Extra Features | Security lock slot | Security lock slot |
| Ergonomics | ||
| Case Width | 35.21 in 89.4 cm 894.3 mm 2.93 ft |
26.02 in 66.1 cm 660.9 mm 2.17 ft |
| Case Height | 15.44 in 39.2 cm 392.3 mm 1.29 ft |
15.01 in 38.1 cm 381.3 mm 1.25 ft |
| Vesa Mount Support | Yes | Yes |
| VESA Interface Standard Size | 100 x 100 | 75 x 75 |
| Removable VESA Stand | Yes | Yes |
| Height Adjustment | Yes | No |
| Height Adjustment Range | 120 mm 12 cm 4.7244 in 0.3937 ft |
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| Landscape or Portrait Pivot Support | No | No |
| Left or Right Swivel Support | Yes | No |
| Left Swivel | 30 ° | |
| Right Swivel | 30 ° | |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 2 ° |
| Backward Tilt | 21 ° | 20 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 56 Hz - 76 Hz | 24 Hz - 75 Hz |
| Horizontal Digital Frequency | 30 kHz - 100 kHz | 30 kHz - 135 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 HDMI cable |
| Certificates and Standards | ||
| Licenses | ENERGY STAR 8.0 EPEAT Gold RoHS TAA Availability TCO Certified Displays |
CE ISO9241-307 TÜV/Ergonomics |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 40 °C 32 °F - 104 °F |
10 °C - 40 °C 50 °F - 104 °F |
| Safe Operating Humidity Level | 10 % - 80 % | 10 % - 80 % |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
-20 °C - 45 °C -4 °F - 113 °F |
| Internal Storage Humidity | 5 % - 90 % | 5 % - 95 % |
| Max Operating Altitude | 5000 | 5000 |
| Max Storage Altitude | 12192 | 12192 |
| Dell U3821DW | Samsung U28E590D |
