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| General Info | ||
|---|---|---|
| Model Number | Lenovo E28u-20 | Philips 279E1EW |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2022 | 2021 |
| Brand | Lenovo | Philips |
| Model Series | E-Line | |
| Model Number | E28u-20 | 279E1EW |
| Alias | 62F9GAR4 | 279E1EW/93 279E1EW/96 279E1EW/11 |
| Display | ||
| Screen Size Class | 28" (inches) | 27" (inches) |
| Diagonal Size | 28 in 71.1 cm 711.2 mm 2.33 ft |
27 in 68.6 cm 685.8 mm 2.25 ft |
| Screen Width | 24.45 in 62.1 cm 620.928 mm 2.04 ft |
23.49 in 59.7 cm 596.736 mm 1.96 ft |
| Screen Height | 13.44 in 34.1 cm 341.28 mm 1.12 ft |
13.22 in 33.6 cm 335.664 mm 1.1 ft |
| Display Manufacturer | Innolux | |
| Display Type | AAS IPS | IPS |
| Display Bit Depth | 10 bits (8 bits + FRC) | 10 bits (8 bits + FRC) |
| Frame Rate Control | Yes | Yes |
| Max Number of Colors | 1073741824 | 1073741824 |
| Bits | 30 | 30 |
| Screen Aspect Ratio | 16:9 | 16:9 |
| Screen Resolution | 3840 x 2160 | 3840 x 2160 |
| Screen Pixel Pitch | 0.16 mm | 0.155 mm |
| Screen Pixel Density | 157 ppi | 163 ppi |
| Screen-to-Body Ratio | 89.03 % | 88.79 % |
| Backlight Source | W-LED | W-LED |
| DCI P3 | 90% | |
| sRGB | 99 % | 111.5 % |
| NTSC 1953 | 93 % | |
| Screen Brightness | 300 cd/m² | 350 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 3000000 : 1 | 80000000 : 1 |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Display Minimum Response Time | 4 ms | 4 ms |
| Display Average Response Time | 6 ms | |
| Display Maximum Response Time | 14 ms | |
| Display Coating | Anti-glare/Matte | Anti-glare/Matte (3H) |
| HDR | HDR10 | |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 1.93 in 4.9 cm 48.9 mm 0.16 ft |
1.61 in 4.1 cm 41 mm 0.13 ft |
| Case Weight | 4.6 kg 10 lbs |
4.42 kg 10 lbs |
| Case Width with Stand | 25.07 in 63.7 cm 636.9 mm 2.09 ft |
24.13 in 61.3 cm 613 mm 2.01 ft |
| Case Height with Stand | 14.98 in 38.1 cm 380.6 mm 1.25 ft |
21.46 in 54.5 cm 545 mm 1.79 ft |
| Case Depth with Stand | 8.66 in 22 cm 220 mm 0.72 ft |
8.82 in 22.4 cm 224 mm 0.73 ft |
| Case Weight with Stand | 6.8 kg 15 lbs |
6.1 kg 13 lbs |
| Case Color | Raven Black | White |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 2 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.4 |
1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 1 x USB (Type-C; upstream; 15W; DP Alt Mode) 1 x HDMI 2.0 |
| Audio | ||
| Audio Speakers | 2 x 2W | |
| Features | ||
| Cool Features | Flicker-free technology Natural Low Blue Light 3-side NearEdgeless design AMD FreeSync technology |
EasyRead Flicker-free technology SmartImage MultiView Picture-in-Picture SmartUniformity Picture-by-Picture Low Blue Light Adaptive-Sync technology Separate Sync AMD FreeSync technology SmartContrast |
| Extra Features | Anti-theft stand lock slot - Kensington | Anti-theft stand lock slot - Kensington |
| Ergonomics | ||
| Case Width | 25.07 in 63.7 cm 636.9 mm 2.09 ft |
24.13 in 61.3 cm 613 mm 2.01 ft |
| Case Height | 14.71 in 37.4 cm 373.7 mm 1.23 ft |
14.49 in 36.8 cm 368 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 | Yes | Yes |
| Height Adjustment Range | 200 mm 20 cm 7.874 in 0.6562 ft |
100 mm 10 cm 3.937 in 0.3281 ft |
| Landscape or Portrait Pivot Support | Yes | No |
| Left Pivot | 90 ° | |
| Right Pivot | 90 ° | |
| Left or Right Swivel Support | Yes | No |
| Left Swivel | 360 ° | |
| Right Swivel | 360 ° | |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 22 ° | 20 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 60 Hz | 23 Hz - 75 Hz |
| Horizontal Digital Frequency | 30 kHz - 140 kHz | |
| Screen Interpolation Measurement Unit | NULL | NULL |
| Accessories | ||
| Extras | HDMI cable | HDMI cable DisplayPort cable USB Type-C cable |
| Certificates and Standards | ||
| Licenses | CCC China Energy Efficiency Standard Tier 2 ENERGY STAR Eyesafe Display Certification RoHS (EU 2002/95/EC) TCO 9.0 TCO Edge 2.0 TÜV Low Blue Light (Hardware Solution) TÜV Rheinland Eye Comfort Volatile Organic Compound Certification Windows Certification |
CB CE Mark PSE RoHS VCCI |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 45 °C 32 °F - 113 °F |
0 °C - 40 °C 32 °F - 104 °F |
| Safe Operating Humidity Level | 10 % - 80 % | 20 % - 80 % |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
-20 °C - 60 °C -4 °F - 140 °F |
| Internal Storage Humidity | 5 % - 95 % | 20 % - 80 % |
| Max Operating Altitude | 5000 | 3658 |
| Max Storage Altitude | 12192 | 12192 |
| Lenovo E28u-20 | Philips 279E1EW |
