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| General Info | ||
|---|---|---|
| Model Number | Dell U2721DE | ViewSonic VP2785-2K |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2020 | 2019 |
| Brand | Dell | ViewSonic |
| Model Number | U2721DE | VP2785-2K |
| Display | ||
| Screen Size Class | 27" (inches) | 27" (inches) |
| Diagonal Size | 26.96 in 68.5 cm 684.7 mm 2.25 ft |
27 in 68.6 cm 685.9 mm 2.25 ft |
| Screen Width | 23.49 in 59.7 cm 596.736 mm 1.96 ft |
23.49 in 59.7 cm 596.736 mm 1.96 ft |
| Screen Height | 13.22 in 33.6 cm 335.664 mm 1.1 ft |
13.22 in 33.6 cm 335.664 mm 1.1 ft |
| Display Type | IPS | IPS |
| Display Bit Depth | 8 bits | 10 bits (8 bits + FRC) |
| Frame Rate Control | Yes | |
| Lut | 3D LUT 14 bits |
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| Max Number of Colors | 16777216 | 1073741824 |
| Bits | 24 | 30 |
| Screen Aspect Ratio | 16:9 | 16:9 |
| Screen Resolution | 2560 x 1440 | 2560 x 1440 |
| Screen Pixel Pitch | 0.233 mm | 0.233 mm |
| Screen Pixel Density | 109 ppi | 109 ppi |
| Screen-to-Body Ratio | 92.16 % | 90.16 % |
| Backlight Source | W-LED | W-LED |
| DCI P3 | 89% | 96% |
| sRGB | 99 % | |
| Adobe RGB 1998 | 99 % | |
| NTSC 1953 | 109 % | |
| Screen Brightness | 350 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 | 14 ms |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 1.54 in 3.9 cm 39 mm 0.13 ft |
2.17 in 5.5 cm 55 mm 0.18 ft |
| Case Weight | 4.19 kg 9 lbs |
4.1 kg 9 lbs |
| Case Width with Stand | 24.1 in 61.2 cm 612.2 mm 2.01 ft |
24.09 in 61.2 cm 612 mm 2.01 ft |
| Case Height with Stand | 15.36 in 39 cm 390.2 mm 1.28 ft |
21.46 in 54.5 cm 545 mm 1.79 ft |
| Case Depth with Stand | 7.09 in 18 cm 180 mm 0.59 ft |
8.46 in 21.5 cm 215 mm 0.71 ft |
| Case Weight with Stand | 6.24 kg 14 lbs |
6.7 kg 15 lbs |
| Case Color | Black | Black |
| Hardware | ||
| Built-in Camera | No | |
| Connectivity | 1 x USB 3.1 (Type-C; upstream; DP; 65W) 1 x Ethernet RJ45 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out 1 x DisplayPort 1.4 (Output MST) 1 x HDMI 1.4 2 x USB 3.0 (downstream) 2 x USB 3.0 (downstream; BC 1.2) |
1 x USB 3.1 (Type-B) 3 x USB 3.1 (Type-A) 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x USB 3.1 (Type-C; downstream; 15W) 1 x USB 3.1 (Type-C) |
| Audio | ||
| Features | ||
| Cool Features | Flicker-free technology Low Blue Light |
Colour uniformity function |
| Extra Features | Security lock slot | Built-in KVM switch Anti-theft stand lock slot - Kensington |
| Ergonomics | ||
| Case Width | 24.1 in 61.2 cm 612.2 mm 2.01 ft |
24.09 in 61.2 cm 612 mm 2.01 ft |
| Case Height | 13.98 in 35.5 cm 355 mm 1.16 ft |
14.29 in 36.3 cm 363 mm 1.19 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 | 130 mm 13 cm 5.1181 in 0.4265 ft |
130 mm 13 cm 5.1181 in 0.4265 ft |
| Landscape or Portrait Pivot Support | Yes | Yes |
| Left Pivot | 90 ° | 90 ° |
| Right Pivot | 90 ° | 90 ° |
| Left or Right Swivel Support | Yes | Yes |
| Left Swivel | 40 ° | 120 ° |
| Right Swivel | 40 ° | 120 ° |
| 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 | 24 Hz - 120 Hz |
| Horizontal Digital Frequency | 30 kHz - 90 kHz | 15 kHz - 130 kHz |
| Screen Interpolation Measurement Unit | NULL | NULL |
| Accessories | ||
| Extras | DisplayPort cable USB Type-C to Type-C cable |
DisplayPort to DisplayPort Cable USB 3.1 Type-C Cable |
| Certificates and Standards | ||
| Licenses | ENERGY STAR EPEAT TCO Certified RoHS NFPA 99 |
EPEAT Energy Star Windows 10 compatible Power Mac tested |
| 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 |
20 °C - 60 °C 68 °F - 140 °F |
| Internal Storage Humidity | 5 % - 90 % | 5 % - 90 % |
| Max Operating Altitude | 5000 | |
| Max Storage Altitude | 12192 |
| Dell U2721DE | ViewSonic VP2785-2K |
