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| General Info | ||
|---|---|---|
| Model Number | ViewSonic VP2756-2K | Dell U2421HE |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2021 | 2020 |
| Brand | ViewSonic | Dell |
| Model Number | VP2756-2K | U2421HE |
| Display | ||
| Screen Size Class | 27" (inches) | 24" (inches) |
| Diagonal Size | 26.96 in 68.5 cm 684.66 mm 2.25 ft |
23.81 in 60.5 cm 604.7 mm 1.98 ft |
| Screen Width | 23.49 in 59.7 cm 596.736 mm 1.96 ft |
20.75 in 52.7 cm 527.04 mm 1.73 ft |
| Screen Height | 13.22 in 33.6 cm 335.664 mm 1.1 ft |
11.67 in 29.6 cm 296.46 mm 0.97 ft |
| Display Type | IPS | IPS |
| Display Bit Depth | 8 bits | 8 bits |
| Frame Rate Control | No | |
| Max Number of Colors | 16777216 | 16777216 |
| Bits | 24 | 24 |
| Screen Aspect Ratio | 16:9 | 16:9 |
| Screen Resolution | 2560 x 1440 | 1920 x 1080 |
| Screen Pixel Pitch | 0.233 mm | 0.275 mm |
| Screen Pixel Density | 109 ppi | 92 ppi |
| Screen-to-Body Ratio | 90.02 % | 92.49 % |
| Backlight Source | W-LED | W-LED |
| DCI P3 | 81% | 89% |
| sRGB | 100 % | 99 % |
| Adobe RGB 1998 | 78 % | |
| NTSC 1953 | 78 % | |
| Screen Brightness | 350 cd/m² | 250 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) |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2.09 in 5.3 cm 53 mm 0.17 ft |
1.54 in 3.9 cm 39 mm 0.13 ft |
| Case Weight | 4.4 kg 10 lbs |
3.37 kg 7 lbs |
| Case Width with Stand | 24.13 in 61.3 cm 613 mm 2.01 ft |
21.2 in 53.9 cm 538.5 mm 1.77 ft |
| Case Height with Stand | 16.15 in 41 cm 410.31 mm 1.35 ft |
13.72 in 34.8 cm 348.4 mm 1.14 ft |
| Case Depth with Stand | 8.46 in 21.5 cm 215 mm 0.71 ft |
6.5 in 16.5 cm 165 mm 0.54 ft |
| Case Weight with Stand | 6.9 kg 15 lbs |
5.32 kg 12 lbs |
| Case Color | Black | Black |
| Hardware | ||
| Built-in Camera | No | |
| Connectivity | 1 x USB 3.2 (Type-C; Gen 1; upstream; 60W; DP Alt Mode) 1 x HDMI 1.4 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 (a) 2 x USB 3.2 (Type-A; Gen 1; downstream) 1 x USB 3.2 (Type-B; Gen 1; upstream) |
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) |
| Audio | ||
| Audio Speakers | 2 x 2W | |
| Features | ||
| Cool Features | ColorPro Verified Low Blue Light technology Pre-Factory Calibration Split Screen Pantone Validated 30+ Working Modes 3-side borderlesss design |
Flicker-free technology Low Blue Light |
| Extra Features | Anti-theft stand lock slot - Kensington | Security lock slot |
| Ergonomics | ||
| Case Width | 24.13 in 61.3 cm 613 mm 2.01 ft |
21.2 in 53.9 cm 538.5 mm 1.77 ft |
| Case Height | 14.29 in 36.3 cm 363 mm 1.19 ft |
12.35 in 31.4 cm 313.7 mm 1.03 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 | 120 ° | 40 ° |
| Right Swivel | 120 ° | 40 ° |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 21 ° | 21 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 24 Hz - 75 Hz | 56 Hz - 76 Hz |
| Horizontal Digital Frequency | 15 kHz - 130 kHz | 30 kHz - 83 kHz |
| Screen Interpolation Measurement Unit | NULL | NULL |
| Accessories | ||
| Extras | HDMI cable USB Type-A to Type-B cable USB Type-C cable |
DisplayPort cable USB Type-C to Type-C cable |
| Certificates and Standards | ||
| Licenses | BSMI CB CE CE EMC CEC cTUVus EAC Energy Star 8.0 EPEAT Silver ErP FCC-B ICES003 macOS tested Mexico Energy NOM REACH RoHS TÜV Rheinland Low Blue Light Certified UKCA UkrSEPRO WEEE Windows 10 Certified |
ENERGY STAR EPEAT TCO Certified RoHS NFPA 99 |
| 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 | 20 % - 90 % | 10 % - 80 % |
| Internal Storage Temperature | 20 °C - 60 °C 68 °F - 140 °F |
-20 °C - 60 °C -4 °F - 140 °F |
| Internal Storage Humidity | 5 % - 90 % | 5 % - 90 % |
| Max Operating Altitude | 5000 | |
| Max Storage Altitude | 12192 |
| ViewSonic VP2756-2K | Dell U2421HE |
