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| General Info | ||
|---|---|---|
| Model Number | ViewSonic VP2772 | Dell U2421E |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2013 | 2020 |
| Brand | ViewSonic | Dell |
| Model Number | VP2772 | U2421E |
| Display | ||
| Screen Size Class | 27" (inches) | 24" (inches) |
| Diagonal Size | 27 in 68.6 cm 685.9 mm 2.25 ft |
24.06 in 61.1 cm 611 mm 2 ft |
| Screen Width | 23.49 in 59.7 cm 596.736 mm 1.96 ft |
20.41 in 51.8 cm 518.4 mm 1.7 ft |
| Screen Height | 13.22 in 33.6 cm 335.664 mm 1.1 ft |
12.76 in 32.4 cm 324 mm 1.06 ft |
| Display Manufacturer | LG Display | |
| Display Type | AH-IPS | IPS |
| Display Bit Depth | 10 bits (8 bits + FRC) | 8 bits (6 bits + FRC) |
| Frame Rate Control | Yes | Yes |
| Lut | 14 bits | |
| Max Number of Colors | 1073741824 | 16777216 |
| Bits | 30 | 24 |
| Screen Aspect Ratio | 16:9 | 16:10 |
| Screen Resolution | 2560 x 1440 | 1920 x 1200 |
| Screen Pixel Pitch | 0.233 mm | 0.275 mm |
| Screen Pixel Density | 109 ppi | 94 ppi |
| Screen-to-Body Ratio | 81.65 % | 100.87 % |
| Backlight Source | GB-r LED | W-LED |
| sRGB | 100 % | 99 % |
| Adobe RGB 1998 | 99 % | |
| NTSC 1953 | 104 % | |
| Screen Brightness | 350 cd/m² | 350 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 80000000 : 1 | |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Screen Input Lag | 30 ms | |
| Display Minimum Response Time | 6 ms | 5 ms |
| Display Average Response Time | 12 ms | 8 ms |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2.2 in 5.6 cm 56 mm 0.18 ft |
1.54 in 3.9 cm 39 mm 0.13 ft |
| Case Weight | 5.5 kg 12 lbs |
4 kg 9 lbs |
| Case Width with Stand | 25.3 in 64.3 cm 642.7 mm 2.11 ft |
20.9 in 53.1 cm 530.8 mm 1.74 ft |
| Case Height with Stand | 18.49 in 47 cm 469.7 mm 1.54 ft |
14.33 in 36.4 cm 364 mm 1.19 ft |
| Case Depth with Stand | 13.69 in 34.8 cm 347.8 mm 1.14 ft |
6.81 in 17.3 cm 173 mm 0.57 ft |
| Case Weight with Stand | 8.54 kg 19 lbs |
6.1 kg 13 lbs |
| Case Color | Black | Black |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x HDMI 1.4 1 x DisplayPort (Output) 1 x DisplayPort 1.2 (Input mini) 1 x 3.5 mm Audio Out 1 x DVI-D Dual Link 1 x DisplayPort 1.2 4 x USB 3.0 (downstream) 1 x USB 3.0 (upstream) |
1 x USB 3.2 (Type-C; Gen 1; upstream; 90W; DP Alt Mode) 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 4 x USB 3.2 (Type-A; Gen 1; downstream; 2x BC 1.2) 1 x USB 3.2 (Type-C; Gen 1; downstream; 15W) |
| Audio | ||
| Features | ||
| Cool Features | Flicker-free technology HDCP (High-bandwidth Digital Content Protection) |
Easy Arrange Flicker-free technology Low Blue Light Infinity Edge design ComfortView Plus Dell Display Manager |
| Extra Features | Anti-theft stand lock slot - Kensington | Security lock slot |
| Ergonomics | ||
| Case Width | 25.3 in 64.3 cm 642.7 mm 2.11 ft |
20.9 in 53.1 cm 530.8 mm 1.74 ft |
| Case Height | 15.03 in 38.2 cm 381.7 mm 1.25 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 | 150 mm 15 cm 5.9055 in 0.4921 ft |
150 mm 15 cm 5.9055 in 0.4921 ft |
| Landscape or Portrait Pivot Support | Yes | Yes |
| Left Pivot | 0 ° | 90 ° |
| Right Pivot | 90 ° | 90 ° |
| Left or Right Swivel Support | Yes | Yes |
| Left Swivel | 60 ° | 45 ° |
| Right Swivel | 60 ° | 45 ° |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 23 ° | 21 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 50 Hz - 75 Hz | 60 Hz |
| Horizontal Digital Frequency | 24 kHz - 92 kHz | 30 kHz - 83 kHz |
| Screen Interpolation Measurement Unit | NULL | |
| Accessories | ||
| Extras | DisplayPort cable DVI-D cable HDMI cable USB upstream cable |
DisplayPort cable USB Type-C to Type-A cable USB Type-C to Type-C cable |
| Certificates and Standards | ||
| Licenses | BSMI CB CCC CE EMC CEL Level 1 cETLus ENERGY STAR 6.0 Epeat Silver ErP eStandby FCC Class B ICES-003 PSE REACH SVHC List & DoC RoHS Green BOM VCCI WEEE |
ENERGY STAR EPEAT Golf TCO Certified TUV Rheinland Low Blue Light Certified |
| 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 -4 °F - 140 °F |
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| Internal Storage Humidity | 5 % - 90 % | |
| Max Operating Altitude | 5000 | |
| Max Storage Altitude | 12192 |
| ViewSonic VP2772 | Dell U2421E |
