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| General Info | ||
|---|---|---|
| Model Number | Dell E2421HN | Acer XR342CKP |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2020 | 2018 |
| Brand | Dell | Acer |
| Model Number | E2421HN | XR342CKP |
| Alias | XR342CK Pbmiiqphuzx | |
| Display | ||
| Screen Size Class | 24" (inches) | 34" (inches) |
| Diagonal Size | 23.81 in 60.5 cm 604.7 mm 1.98 ft |
34 in 86.4 cm 863.6 mm 2.83 ft |
| Screen Width | 20.75 in 52.7 cm 527.04 mm 1.73 ft |
31.49 in 80 cm 799.8 mm 2.62 ft |
| Screen Height | 11.67 in 29.6 cm 296.46 mm 0.97 ft |
13.18 in 33.5 cm 334.8 mm 1.1 ft |
| Display Curvature | 1900 | |
| Display Manufacturer | LG Display | |
| Display Type | IPS | AH-IPS |
| Display Bit Depth | 8 bits (6 bits + FRC) | 10 bits (8 bits + FRC) |
| Frame Rate Control | Yes | Yes |
| Max Number of Colors | 16777216 | 1073741824 |
| Bits | 24 | 30 |
| Screen Aspect Ratio | 16:9 | 21:9 |
| Screen Resolution | 1920 x 1080 | 3440 x 1440 |
| Screen Pixel Pitch | 0.275 mm | 0.233 mm |
| Screen Pixel Density | 92 ppi | 109 ppi |
| Screen-to-Body Ratio | 86.91 % | 89.22 % |
| Backlight Source | W-LED | W-LED |
| sRGB | 100 % | |
| NTSC 1953 | 72 % | 72 % |
| Screen Brightness | 250 cd/m² | 300 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 100000000 : 1 | |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Display Minimum Response Time | 5 ms | 1 ms |
| Display Average Response Time | 8 ms | 4 ms |
| Display Coating | Anti-glare/Matte | Anti-glare/Matte (3H) |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2.06 in 5.2 cm 52.4 mm 0.17 ft |
4.91 in 12.5 cm 124.7 mm 0.41 ft |
| Case Weight | 3.25 kg 7 lbs |
6.7 kg 15 lbs |
| Case Width with Stand | 21.68 in 55.1 cm 550.6 mm 1.81 ft |
32.13 in 81.6 cm 816.2 mm 2.68 ft |
| Case Height with Stand | 16.52 in 42 cm 419.7 mm 1.38 ft |
22.26 in 56.6 cm 565.5 mm 1.86 ft |
| Case Depth with Stand | 6.73 in 17.1 cm 171 mm 0.56 ft |
12.17 in 30.9 cm 309 mm 1.01 ft |
| Case Weight with Stand | 4.27 kg 9 lbs |
9.7 kg 21 lbs |
| Case Color | Black | Black |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x HDMI 1.4 1 x D-sub |
1 x HDMI 1.4 1 x HDMI 2.0 1 x DisplayPort 1.2 (Input mini) 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 4 x USB 3.0 (downstream) 1 x USB 3.0 (upstream) |
| Audio | ||
| Audio Speakers | 2 x 7W | |
| Features | ||
| Cool Features | Flicker-free technology Low Blue Light Power Nap ComfortView Dell Display Manager |
Picture-By-Picture Picture-in-Picture AMD FreeSync technology Flicker-free technology |
| Extra Features | Security lock slot | |
| Ergonomics | ||
| Case Width | 21.68 in 55.1 cm 550.6 mm 1.81 ft |
32.13 in 81.6 cm 816.2 mm 2.68 ft |
| Case Height | 12.85 in 32.7 cm 326.5 mm 1.07 ft |
14.48 in 36.8 cm 367.7 mm 1.21 ft |
| Vesa Mount Support | Yes | Yes |
| VESA Interface Standard Size | 100 x 100 | 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 |
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| Landscape or Portrait Pivot Support | No | No |
| Left or Right Swivel Support | No | Yes |
| Left Swivel | 30 ° | |
| Right Swivel | 30 ° | |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 21 ° | 35 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 56 Hz - 76 Hz | 48 Hz - 100 Hz |
| Horizontal Digital Frequency | 30 kHz - 83 kHz | 30 kHz - 160 kHz |
| Screen Interpolation Measurement Unit | NULL | |
| Accessories | ||
| Extras | D-Sub cable HDMI cable |
DisplayPort cable HDMI cable USB 3.0 cable |
| Certificates and Standards | ||
| Licenses | Energy Star EPEAT TCO Certified Display |
ENERGY STAR TCO Displays |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 40 °C 32 °F - 104 °F |
5 °C - 35 °C 41 °F - 95 °F |
| Safe Operating Humidity Level | 10 % - 80 % | 10 % - 85 % |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
-20 °C - 60 °C -4 °F - 140 °F |
| Internal Storage Humidity | 5 % - 90 % | |
| Max Operating Altitude | 5000 | |
| Max Storage Altitude | 12192 |
| Dell E2421HN | Acer XR342CKP |
