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| General Info | ||
|---|---|---|
| Model Number | Dell U3821DW | BenQ EX3501R |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2021 | 2017 |
| Brand | Dell | BenQ |
| Model Series | UltraSharp | |
| Model Number | U3821DW | EX3501R |
| Display | ||
| Screen Size Class | 38" (inches) | 35" (inches) |
| Diagonal Size | 37.52 in 95.3 cm 952.9 mm 3.13 ft |
35 in 88.9 cm 889 mm 2.92 ft |
| Screen Width | 35.04 in 89 cm 890 mm 2.92 ft |
32.26 in 81.9 cm 819.408 mm 2.69 ft |
| Screen Height | 15.27 in 38.8 cm 387.8 mm 1.27 ft |
13.62 in 34.6 cm 345.888 mm 1.13 ft |
| Display Curvature | 2300 | 1800 |
| Display Manufacturer | AU Optronics | |
| Display Type | IPS | AMVA |
| Display Bit Depth | 10 bits | 8 bits |
| Frame Rate Control | No | |
| Max Number of Colors | 1073741824 | 16777216 |
| Bits | 30 | 24 |
| Screen Aspect Ratio | 24:10 | 21:9 |
| Screen Resolution | 3840 x 1600 | 3440 x 1440 |
| Screen Pixel Pitch | 0.229 mm | 0.238 mm |
| Screen Pixel Density | 109 ppi | 106 ppi |
| Screen-to-Body Ratio | 98.38 % | 85.92 % |
| Backlight Source | W-LED | W-LED |
| DCI P3 | 95% | 85% |
| sRGB | 100 % | 100 % |
| Adobe RGB 1998 | 75 % | |
| Screen Brightness | 300 cd/m² | 300 cd/m² |
| Static Screen Contrast | 1000 : 1 | 2500 : 1 |
| Dynamic Screen Contrast | 200000000 : 1 | |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Screen Input Lag | 15 ms | |
| Display Minimum Response Time | 5 ms | 4 ms |
| Display Average Response Time | 8 ms | 15 ms |
| Display Maximum Response Time | 20 ms | |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| HDR | DisplayHDR 600 | HDR10 |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 4.03 in 10.2 cm 102.4 mm 0.34 ft |
3.72 in 9.4 cm 94.49 mm 0.31 ft |
| Case Weight | 8.8 kg 19 lbs |
|
| Case Width with Stand | 35.21 in 89.4 cm 894.3 mm 2.93 ft |
32.83 in 83.4 cm 833.95 mm 2.74 ft |
| Case Height with Stand | 17.47 in 44.4 cm 443.8 mm 1.46 ft |
17.48 in 44.4 cm 444.02 mm 1.46 ft |
| Case Depth with Stand | 9.89 in 25.1 cm 251.2 mm 0.82 ft |
8.82 in 22.4 cm 224.08 mm 0.74 ft |
| Case Weight with Stand | 13.6 kg 30 lbs |
10.4 kg 23 lbs |
| Case Color | Black | Gray |
| 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 2.0 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out 2 x USB 3.0 (downstream) 1 x USB 3.1 (Type-C) |
| Audio | ||
| Audio Speakers | 2 x 9W | |
| Features | ||
| Cool Features | Low Blue Light Picture-by-Picture Picture-in-Picture Flicker-free technology KVM Switch |
Brightness Intelligence Plus Flicker-free technology Low Blue light Picture-in-Picture Picture-by-Picture HDCP (High-bandwidth Digital Content Protection) AMA (Advanced Motion Accelerator) AMD FreeSync technology |
| 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 |
32.83 in 83.4 cm 833.95 mm 2.74 ft |
| Case Height | 15.44 in 39.2 cm 392.3 mm 1.29 ft |
15.57 in 39.6 cm 395.55 mm 1.3 ft |
| Vesa Mount Support | Yes | No |
| VESA Interface Standard Size | 100 x 100 | 200 x 100 |
| Removable VESA Stand | Yes | Yes |
| Height Adjustment | Yes | Yes |
| Height Adjustment Range | 120 mm 12 cm 4.7244 in 0.3937 ft |
60 mm 6 cm 2.3622 in 0.1969 ft |
| 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 ° | 5 ° |
| Backward Tilt | 21 ° | 20 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 56 Hz - 76 Hz | 48 Hz - 100 Hz |
| Horizontal Digital Frequency | 30 kHz - 100 kHz | 28 kHz - 155 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 HDMI cable USB Type-C cable |
| Certificates and Standards | ||
| Licenses | ENERGY STAR 8.0 EPEAT Gold RoHS TAA Availability TCO Certified Displays |
ENERGY STAR TCO Displays |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 40 °C 32 °F - 104 °F |
|
| Safe Operating Humidity Level | 10 % - 80 % | |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
|
| Internal Storage Humidity | 5 % - 90 % | |
| Max Operating Altitude | 5000 | |
| Max Storage Altitude | 12192 |
| Dell U3821DW | BenQ EX3501R |
