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| General Info | ||
|---|---|---|
| Model Number | Philips 278E1A | Dell U2421HE |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2019 | 2020 |
| Brand | Philips | Dell |
| Model Series | E-Line | |
| Model Number | 278E1A | U2421HE |
| Alias | 278E1A/00 278E1A/01 |
|
| Display | ||
| Screen Size Class | 27" (inches) | 24" (inches) |
| Diagonal Size | 27 in 68.6 cm 685.9 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 Curvature | 1800 | |
| Display Type | IPS | IPS |
| Display Bit Depth | 10 bits (8 bits + FRC) | 8 bits |
| Frame Rate Control | Yes | |
| Max Number of Colors | 1073741824 | 16777216 |
| Bits | 30 | 24 |
| Screen Aspect Ratio | 16:9 | 16:9 |
| Screen Resolution | 3840 x 2160 | 1920 x 1080 |
| Screen Pixel Pitch | 0.155 mm | 0.275 mm |
| Screen Pixel Density | 163 ppi | 92 ppi |
| Screen-to-Body Ratio | 88.79 % | 92.49 % |
| Backlight Source | W-LED | W-LED |
| DCI P3 | 89% | |
| sRGB | 109 % | 99 % |
| NTSC 1953 | 91 % | |
| Screen Brightness | 350 cd/m² | 250 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 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 | 8 ms | |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 1.77 in 4.5 cm 45 mm 0.15 ft |
1.54 in 3.9 cm 39 mm 0.13 ft |
| Case Weight | 4.18 kg 9 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 | 18.15 in 46.1 cm 461 mm 1.51 ft |
13.72 in 34.8 cm 348.4 mm 1.14 ft |
| Case Depth with Stand | 7.56 in 19.2 cm 192 mm 0.63 ft |
6.5 in 16.5 cm 165 mm 0.54 ft |
| Case Weight with Stand | 4.78 kg 11 lbs |
5.32 kg 12 lbs |
| Case Color | Black | Black |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x 3.5 mm Audio Out 1 x HDMI 2.0 2 x DisplayPort 1.2 |
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 3W | |
| Features | ||
| Cool Features | SmartContrast SmartImage SmartUniformity SmartImage Game Flicker-free technology Low Blue Light |
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 | 14.49 in 36.8 cm 368 mm 1.21 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 | 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 | 40 ° | |
| Right Swivel | 40 ° | |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 20 ° | 21 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 59 Hz - 61 Hz | 56 Hz - 76 Hz |
| Horizontal Digital Frequency | 30 kHz - 83 kHz | 30 kHz - 83 kHz |
| Screen Interpolation Measurement Unit | NULL | NULL |
| Accessories | ||
| Extras | HDMI cable | DisplayPort cable USB Type-C to Type-C cable |
| Certificates and Standards | ||
| Licenses | cETLus EAC / CU TÜV/ISO9241-307 ENERGY STAR 8.0 FCC Class B ISO9241-307 CCC CECP RoHS |
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 % - 80 % | 10 % - 80 % |
| 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 | 3658 | 5000 |
| Max Storage Altitude | 12192 | 12192 |
| Philips 278E1A | Dell U2421HE |
