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| General Info | ||
|---|---|---|
| Model Number | Dell U4021QW | ViewSonic VP3881a |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2021 | 2021 |
| Brand | Dell | ViewSonic |
| Model Number | U4021QW | VP3881a |
| Display | ||
| Screen Size Class | 40" (inches) | 38" (inches) |
| Diagonal Size | 37.5 in 95.3 cm 952.5 mm 3.13 ft |
|
| Screen Width | 37.27 in 94.7 cm 946.6 mm 3.11 ft |
34.63 in 88 cm 879.667 mm 2.89 ft |
| Screen Height | 14.43 in 36.7 cm 366.528 mm 1.2 ft |
|
| Display Curvature | 2500 | 2300 |
| Display Manufacturer | LG Display | |
| Display Type | IPS | AH-IPS |
| Display Bit Depth | 10 bits | 10 bits (8 bits + FRC) |
| Frame Rate Control | Yes | |
| Lut | 3D LUT 14 bits |
|
| Max Number of Colors | 1073741824 | 1073741824 |
| Bits | 30 | 30 |
| Screen Aspect Ratio | 21:9 | 24:10 |
| Screen Resolution | 5120 x 2160 | 3840 x 1600 |
| Screen Pixel Pitch | 0.229 mm | |
| Screen Pixel Density | 111 ppi | |
| Screen-to-Body Ratio | 90.41 % | |
| Backlight Source | W-LED | W-LED |
| DCI P3 | 98% | 95% |
| sRGB | 100 % | 100 % |
| Adobe RGB 1998 | 86 % | |
| Screen Brightness | 300 cd/m² | 300 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 20000000 : 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 | |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| HDR | HDR10 | |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 4.06 in 10.3 cm 103 mm 0.34 ft |
|
| Case Weight | 7.9 kg 17 lbs |
|
| Case Width with Stand | 37.27 in 94.7 cm 946.6 mm 3.11 ft |
35.28 in 89.6 cm 896 mm 2.94 ft |
| Case Height with Stand | 18.02 in 45.8 cm 457.8 mm 1.5 ft |
19.66 in 49.9 cm 499.24 mm 1.64 ft |
| Case Depth with Stand | 9.76 in 24.8 cm 248 mm 0.81 ft |
11.77 in 29.9 cm 299 mm 0.98 ft |
| Case Weight with Stand | 9.5 kg 21 lbs |
12.6 kg 28 lbs |
| Case Color | Black | Black |
| Hardware | ||
| Built-in Camera | No | No |
| Network | LAN | |
| Connectivity | 1 x USB 3.2 (Type-C; downstream; 15W) 1 x Ethernet RJ45 (Gigabit) 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out (line-out for speakers) 1 x Thunderbolt 3.0 (Type-C; upstream; 90W; DP Alt Mode) 2 x HDMI 2.0 4 x USB 3.2 (Type-A; Gen 1; downstream) 1 x USB 3.2 (Type-B; Gen 1; upstream) |
1 x USB 3.2 (Type-C; Gen 1; upstream; 90W; DP Alt Mode) 1 x Ethernet RJ45 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 2 x HDMI 2.0 2 x USB 3.2 (Type-A; Gen 1; downstream) 1 x USB 3.2 (Type-B; Gen 1; upstream) |
| Audio | ||
| Audio Speakers | 2 x 9W | 2 x 5W |
| Features | ||
| Cool Features | KVM Switch Low Blue Light Picture-in-Picture Picture-by-Picture ComfortView Plus Flicker-free technology |
Dual Color Engine Flicker-free technology ViewSonic Colorbration+ MultiPicture Picture-by-Picture Pantone Validated KVM Switch AMD FreeSync technology Picture-in-Picture Blue Light Filter Split Screen |
| Extra Features | Security lock slot | Anti-theft stand lock slot - Kensington |
| Ergonomics | ||
| Case Width | 35.28 in 89.6 cm 896 mm 2.94 ft |
|
| Case Height | 15.67 in 39.8 cm 398 mm 1.31 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 |
130 mm 13 cm 5.1181 in 0.4265 ft |
| Landscape or Portrait Pivot Support | No | No |
| Left or Right Swivel Support | Yes | Yes |
| Left Swivel | 30 ° | 60 ° |
| Right Swivel | 30 ° | 60 ° |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 1 ° |
| Backward Tilt | 21 ° | 21 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 60 Hz | 24 Hz - 75 Hz |
| Horizontal Digital Frequency | 15 kHz - 135 kHz | |
| Screen Interpolation Measurement Unit | NULL | NULL |
| Accessories | ||
| Extras | DisplayPort cable HDMI cable Thunderbolt 4 (USB-C) Active Cable USB Type-A to Type-B cable |
DisplayPort cable HDMI cable USB Type-A to Type-B cable USB Type-C cable |
| Certificates and Standards | ||
| Licenses | CB CCC CE CE EMC CEC China RoHS China Energy Label cTUVus EAC Energy Star 8.0 EPEAT Bronze ErP FCC-B ICES003 MX-CoC Mexico Energy NRCan REACH RoHS TÜV Rheinland Flicker Free Certified TÜV Rheinland Low Blue Light Certified UkrSEPRO UKCA WEEE |
|
| 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 % | 20 % - 90 % |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
-25 °C - 55 °C -13 °F - 131 °F |
| Internal Storage Humidity | 5 % - 90 % | 5 % - 95 % |
| Max Operating Altitude | 5000 | 5000 |
| Max Storage Altitude | 12192 | 12192 |
| Dell U4021QW | ViewSonic VP3881a |
