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| General Info | ||
|---|---|---|
| Model Number | BenQ EW2755ZH | Dell P2421 |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2015 | 2020 |
| Brand | BenQ | Dell |
| Model Number | EW2755ZH | P2421 |
| Display | ||
| Screen Size Class | 27" (inches) | 24" (inches) |
| Diagonal Size | 26.96 in 68.5 cm 684.7 mm 2.25 ft |
24.06 in 61.1 cm 611 mm 2 ft |
| Screen Width | 23.53 in 59.8 cm 597.6 mm 1.96 ft |
20.41 in 51.8 cm 518.4 mm 1.7 ft |
| Screen Height | 13.23 in 33.6 cm 336.15 mm 1.1 ft |
12.76 in 32.4 cm 324 mm 1.06 ft |
| Display Manufacturer | AU Optronics | |
| Display Type | AMVA+ (Е2Е) | 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 | 16:10 |
| Screen Resolution | 1920 x 1080 | 1920 x 1200 |
| Screen Pixel Pitch | 0.311 mm | 0.27 mm |
| Screen Pixel Density | 81 ppi | 94 ppi |
| Screen-to-Body Ratio | 86.78 % | |
| Backlight Source | W-LED | W-LED |
| sRGB | 99 % | |
| NTSC 1953 | 72 % | |
| Screen Brightness | 300 cd/m² | 300 cd/m² |
| Static Screen Contrast | 3000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 20000000 : 1 | |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Display Minimum Response Time | 4 ms | 5 ms |
| Display Average Response Time | 12 ms | 8 ms |
| Display Coating | Anti-glare/Matte | Anti-glare/Matte (3H) |
| 3D | No | |
| Size, weight, color | ||
| Case Depth | 1.74 in 4.4 cm 44.1 mm 0.14 ft |
|
| Case Weight | 3.5 kg 8 lbs |
|
| Case Width with Stand | 24.17 in 61.4 cm 613.8 mm 2.01 ft |
20.91 in 53.1 cm 531 mm 1.74 ft |
| Case Height with Stand | 18.05 in 45.9 cm 458.5 mm 1.5 ft |
14.6 in 37.1 cm 370.8 mm 1.22 ft |
| Case Depth with Stand | 7.67 in 19.5 cm 194.9 mm 0.64 ft |
6.54 in 16.6 cm 166 mm 0.54 ft |
| Case Weight with Stand | 4.3 kg 9 lbs |
|
| Case Color | Black | |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x D-sub 1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x HDMI 1.4 (MHL) |
1 x USB 3.0 (upstream) 1 x HDMI 1.4 1 x DVI-D 1 x D-sub 1 x DisplayPort 1.2 2 x USB 2.0 (downstream) 2 x USB 3.0 (downstream) |
| Audio | ||
| Audio Speakers | 2 x 2W | |
| Features | ||
| Cool Features | HDCP (High-bandwidth Digital Content Protection) Low Blue Light Senseye 3 AMA (Advanced Motion Accelerator) Flicker-free technology |
Flicker-free technology Low Blue Light |
| Extra Features | Anti-theft stand lock slot - Kensington | Security lock slot |
| Ergonomics | ||
| Case Width | 20.91 in 53.1 cm 531 mm 1.74 ft |
|
| Case Height | 14.35 in 36.5 cm 364.5 mm 1.2 ft |
|
| Vesa Mount Support | No | Yes |
| VESA Interface Standard Size | 75 x 75 | 100 x 100 |
| Removable VESA Stand | Yes | Yes |
| Height Adjustment | No | Yes |
| Height Adjustment Range | 130 mm 13 cm 5.1181 in 0.4265 ft |
|
| Landscape or Portrait Pivot Support | No | Yes |
| Left Pivot | 90 ° | |
| Right Pivot | 90 ° | |
| Left or Right Swivel Support | No | Yes |
| Left Swivel | 45 ° | |
| Right Swivel | 45 ° | |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 20 ° | 21 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 50 Hz - 76 Hz | 60 Hz |
| Horizontal Digital Frequency | 30 kHz - 83 kHz | |
| Screen Interpolation Measurement Unit | NULL | |
| Accessories | ||
| Extras | D-sub cable HDMI cable |
DisplayPort cable D-Sub cable (Japan only) |
| Certificates and Standards | ||
| Licenses | ENERGY STAR 6.0 TCO Certified Displays 6.0 |
ENERGY STAR EPEAT RoHS TCO Certified Display |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 40 °C 32 °F - 104 °F |
|
| Safe Operating Humidity Level | 20 % - 80 % | |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
|
| Internal Storage Humidity | 10 % - 90 % | |
| Max Operating Altitude | 5000 | |
| Max Storage Altitude | 12192 |
| BenQ EW2755ZH | Dell P2421 |
