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General Info | ||
---|---|---|
Model Number | Lenovo L28u-35 | Dell P3421W |
Price | ||
Type | Monitor | Monitor |
Year | 2022 | 2020 |
Brand | Lenovo | Dell |
Model Number | L28u-35 | P3421W |
Alias | 66ECGAC4 | |
Display | ||
Screen Size Class | 28" (inches) | 34" (inches) |
Diagonal Size | 28 in 71.1 cm 711.2 mm 2.33 ft |
34.14 in 86.7 cm 867.2 mm 2.85 ft |
Screen Width | 24.45 in 62.1 cm 620.928 mm 2.04 ft |
31.49 in 80 cm 799.8 mm 2.62 ft |
Screen Height | 13.44 in 34.1 cm 341.28 mm 1.12 ft |
13.18 in 33.5 cm 334.8 mm 1.1 ft |
Display Curvature | 3800 | |
Display Manufacturer | Innolux | LG Display |
Display Type | AAS IPS | IPS |
Display Bit Depth | 10 bits (8 bits + FRC) | 10 bits |
Frame Rate Control | Yes | |
Max Number of Colors | 1073741824 | 1073741824 |
Bits | 30 | 30 |
Screen Aspect Ratio | 16:9 | 21:9 |
Screen Resolution | 3840 x 2160 | 3440 x 1440 |
Screen Pixel Pitch | 0.16 mm | 0.233 mm |
Screen Pixel Density | 157 ppi | 109 ppi |
Screen-to-Body Ratio | 89.03 % | |
Backlight Source | W-LED | W-LED |
DCI P3 | 90% | |
sRGB | 99 % | 99 % |
Screen Brightness | 300 cd/m² | 300 cd/m² |
Static Screen Contrast | 1000 : 1 | 1000 : 1 |
Dynamic Screen Contrast | 3000000 : 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 | 6 ms | 8 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 |
|
Case Weight | 4.6 kg 10 lbs |
6.7 kg 15 lbs |
Case Width with Stand | 25.07 in 63.7 cm 636.9 mm 2.09 ft |
32.11 in 81.6 cm 815.7 mm 2.68 ft |
Case Height with Stand | 16.51 in 41.9 cm 419.3 mm 1.38 ft |
15.4 in 39.1 cm 391.1 mm 1.28 ft |
Case Depth with Stand | 8.46 in 21.5 cm 215 mm 0.71 ft |
9.35 in 23.7 cm 237.4 mm 0.78 ft |
Case Weight with Stand | 6.6 kg 15 lbs |
|
Case Color | Raven Black | Black and Silver |
Hardware | ||
Built-in Camera | No | No |
Connectivity | 1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.4 |
2 x USB 3.2 (Type-A; Gen 1; downstream; 5 Gbps) 1 x USB 3.2 (Type-B; Gen 1; upstream) 1 x DisplayPort 1.2 1 x HDMI 2.0 2 x USB 2.0 (Type-A; downstream) 1 x USB 3.1 (Type-C; upstream; 65W; DP Alt Mode) |
Audio | ||
Audio Speakers | 2 x 2W | 2 x 5W |
Features | ||
Cool Features | Flicker-free technology Natural Low Blue Light 3-side NearEdgeless design AMD FreeSync technology |
KVM Switch Low Blue Light Picture-in-Picture Picture-by-Picture ComfortView Flicker-free technology |
Extra Features | Anti-theft stand lock slot - Kensington | Security lock slot |
Ergonomics | ||
Case Width | 25.07 in 63.7 cm 636.9 mm 2.09 ft |
32.11 in 81.6 cm 815.7 mm 2.68 ft |
Case Height | 14.71 in 37.4 cm 373.7 mm 1.23 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 | 90 ° | 4 ° |
Right Pivot | 90 ° | 4 ° |
Left or Right Swivel Support | Yes | Yes |
Left Swivel | 360 ° | 30 ° |
Right Swivel | 360 ° | 30 ° |
Forward and Backward Tilt Support | Yes | Yes |
Forward Tilt | 5 ° | 5 ° |
Backward Tilt | 22 ° | 21 ° |
Frequency and Interpolation | ||
Vertical Digital Frequency | 60 Hz | 60 Hz |
Screen Interpolation Measurement Unit | NULL | NULL |
Accessories | ||
Extras | HDMI cable | DisplayPort cable HDMI cable USB Type-A to Type-B cable USB Type-C to 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 |
Energy Star EPEAT RoHS TCO Certified Displays TUV Rheinland Flicker Free Certified TUV Rheinland Low Blue Light Certified |
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 % | 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 % - 95 % | 5 % - 90 % |
Max Operating Altitude | 5000 | 5000 |
Max Storage Altitude | 12192 | 12192 |
Lenovo L28u-35 | Dell P3421W |