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| General Info | ||
|---|---|---|
| Model Number | Dell U4021QW | Asus VS239H |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2021 | 2012 |
| Brand | Dell | Asus |
| Model Number | U4021QW | VS239H |
| Alias | VS239H-P | |
| Display | ||
| Screen Size Class | 40" (inches) | 23" (inches) |
| Diagonal Size | 22.99 in 58.4 cm 584 mm 1.92 ft |
|
| Screen Width | 37.27 in 94.7 cm 946.6 mm 3.11 ft |
20.07 in 51 cm 509.76 mm 1.67 ft |
| Screen Height | 11.29 in 28.7 cm 286.74 mm 0.94 ft |
|
| Display Curvature | 2500 | |
| Display Type | IPS | 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 | 21:9 | 16:9 |
| Screen Resolution | 5120 x 2160 | 1920 x 1080 |
| Screen Pixel Pitch | 0.266 mm | |
| Screen Pixel Density | 95 ppi | |
| Screen-to-Body Ratio | 79.28 % | |
| Backlight Source | W-LED | W-LED |
| DCI P3 | 98% | |
| sRGB | 100 % | |
| NTSC 1953 | 72 % | |
| Screen Brightness | 300 cd/m² | 250 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 50000000 : 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 | 14 ms |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 1.77 in 4.5 cm 45 mm 0.15 ft |
|
| Case Width with Stand | 37.27 in 94.7 cm 946.6 mm 3.11 ft |
21.73 in 55.2 cm 552 mm 1.81 ft |
| Case Height with Stand | 18.02 in 45.8 cm 457.8 mm 1.5 ft |
15.76 in 40 cm 400.3 mm 1.31 ft |
| Case Depth with Stand | 9.76 in 24.8 cm 248 mm 0.81 ft |
7.87 in 20 cm 200 mm 0.66 ft |
| Case Weight with Stand | 9.5 kg 21 lbs |
3.5 kg 8 lbs |
| Case Color | Black | Black |
| Hardware | ||
| Built-in Camera | No | No |
| 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 D-sub 1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x DVI-D Dual Link |
| Audio | ||
| Audio Speakers | 2 x 9W | |
| Features | ||
| Cool Features | KVM Switch Low Blue Light Picture-in-Picture Picture-by-Picture ComfortView Plus Flicker-free technology |
HDCP (High-bandwidth Digital Content Protection) SPLENDID Video Intelligence Technology |
| Extra Features | Security lock slot | Anti-theft stand lock slot - Kensington |
| Ergonomics | ||
| Case Width | 21.73 in 55.2 cm 552 mm 1.81 ft |
|
| Case Height | 13.15 in 33.4 cm 334 mm 1.1 ft |
|
| Vesa Mount Support | Yes | Yes |
| VESA Interface Standard Size | 100 x 100 | 100 x 100 |
| Removable VESA Stand | Yes | Yes |
| Height Adjustment | Yes | No |
| Height Adjustment Range | 120 mm 12 cm 4.7244 in 0.3937 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 | 60 Hz | 50 Hz - 75 Hz |
| Horizontal Digital Frequency | 30 kHz - 83 kHz | |
| Screen Interpolation Measurement Unit | NULL | |
| Accessories | ||
| Extras | DisplayPort cable HDMI cable Thunderbolt 4 (USB-C) Active Cable USB Type-A to Type-B cable |
D-sub cable DVI-D cable |
| Certificates and Standards | ||
| Licenses | BSMI CB CCC CE C-Tick CU ENERGY STAR 5.0 Epeat Gold ErP FCC Class B RoHS UL/cUL VCCI WEEE WHQL (Windows 8; Windows 7) |
|
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 40 °C 32 °F - 104 °F |
0 °C - 50 °C 32 °F - 122 °F |
| Safe Operating Humidity Level | 10 % - 80 % | |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
20 °C - 60 °C 68 °F - 140 °F |
| Internal Storage Humidity | 5 % - 90 % | |
| Max Operating Altitude | 5000 | |
| Max Storage Altitude | 12192 |
| Dell U4021QW | Asus VS239H |
