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| General Info | ||
|---|---|---|
| Model Number | Dell U4021QW | Lenovo ThinkVision T34w-20 |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2021 | 2020 |
| Brand | Dell | Lenovo |
| Model Number | U4021QW | ThinkVision T34w-20 |
| Alias | 61F3GAR1EU 61F3GAR1US 61F3GAR1UK |
|
| Display | ||
| Screen Size Class | 40" (inches) | 34" (inches) |
| Diagonal Size | 34 in 86.4 cm 863.6 mm 2.83 ft |
|
| Screen Width | 37.27 in 94.7 cm 946.6 mm 3.11 ft |
31.39 in 79.7 cm 797.184 mm 2.62 ft |
| Screen Height | 13.14 in 33.4 cm 333.72 mm 1.09 ft |
|
| Display Curvature | 2500 | 1500 |
| Display Type | IPS | VA |
| Display Bit Depth | 10 bits | 8 bits |
| Max Number of Colors | 1073741824 | 16777216 |
| Bits | 30 | 24 |
| Screen Aspect Ratio | 21:9 | 21:9 |
| Screen Resolution | 5120 x 2160 | 3440 x 1440 |
| Screen Pixel Pitch | 0.232 mm | |
| Screen Pixel Density | 109 ppi | |
| Screen-to-Body Ratio | 88.3 % | |
| Backlight Source | W-LED | W-LED |
| DCI P3 | 98% | |
| sRGB | 100 % | 99 % |
| Screen Brightness | 300 cd/m² | 350 cd/m² |
| Static Screen Contrast | 1000 : 1 | 3000 : 1 |
| Dynamic Screen Contrast | 3000000 : 1 | |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Display Minimum Response Time | 5 ms | 4 ms |
| Display Average Response Time | 8 ms | 6 ms |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 4.18 in 10.6 cm 106.1 mm 0.35 ft |
|
| Case Weight | 6.91 kg 15 lbs |
|
| Case Width with Stand | 37.27 in 94.7 cm 946.6 mm 3.11 ft |
31.83 in 80.9 cm 808.6 mm 2.65 ft |
| Case Height with Stand | 18.02 in 45.8 cm 457.8 mm 1.5 ft |
18.2 in 46.2 cm 462.4 mm 1.52 ft |
| Case Depth with Stand | 9.76 in 24.8 cm 248 mm 0.81 ft |
9.65 in 24.5 cm 245 mm 0.8 ft |
| Case Weight with Stand | 9.5 kg 21 lbs |
9.91 kg 22 lbs |
| Case Color | Black | Black |
| Hardware | ||
| Built-in Camera | No | |
| Connectivity | 1 x USB 3.2 (Type-C; downstream; 15W) 1 x Ethernet RJ45 (Gigabit) 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out (line-out for speakers) 1 x Thunderbolt 3.0 (Type-C; upstream; 90W; DP Alt Mode) 2 x HDMI 2.0 4 x USB 3.2 (Type-A; Gen 1; downstream) 1 x USB 3.2 (Type-B; Gen 1; upstream) |
1 x HDMI 2.0 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 4 x USB 3.1 (Type-A; Gen 1; downstream; BC 1.2 charging at 2A) 1 x USB 3.1 (Type-C; Gen1; upstream; DisplayPort; 75W) |
| Audio | ||
| Audio Speakers | 2 x 9W | |
| Features | ||
| Cool Features | KVM Switch Low Blue Light Picture-in-Picture Picture-by-Picture ComfortView Plus Flicker-free technology |
Smart Power Wireless charging dock for smartphones Flicker-free technology Low Blue Light |
| Extra Features | Security lock slot | Anti-theft stand lock slot - Kensington |
| Ergonomics | ||
| Case Width | 31.83 in 80.9 cm 808.6 mm 2.65 ft |
|
| Case Height | 14.67 in 37.3 cm 372.6 mm 1.22 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 | 120 mm 12 cm 4.7244 in 0.3937 ft |
135 mm 13.5 cm 5.315 in 0.4429 ft |
| Landscape or Portrait Pivot Support | No | No |
| Left or Right Swivel Support | Yes | Yes |
| Left Swivel | 30 ° | 45 ° |
| Right Swivel | 30 ° | 45 ° |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 21 ° | 35 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 60 Hz | 60 Hz |
| Screen Interpolation Measurement Unit | NULL | NULL |
| Accessories | ||
| Extras | DisplayPort cable HDMI cable Thunderbolt 4 (USB-C) Active Cable USB Type-A to Type-B cable |
DisplayPort cable USB Type-C to USB Type-A cable USB Type-C to USB Type-C cable |
| Certificates and Standards | ||
| Licenses | CCC China Energy Efficiency Standard Tier 2 ENERGY STAR 8.0 EPEAT Silver RoHS (EU 2002/95/EC) TCO 8.0 TCO Edge 2.0 TÜV Rheinland Eye Comfort Windows Certification |
|
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 40 °C 32 °F - 104 °F |
0 °C - 45 °C 32 °F - 113 °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 % - 90 % | 5 % - 95 % |
| Max Operating Altitude | 5000 | 5000 |
| Max Storage Altitude | 12192 | 12192 |
| Dell U4021QW | Lenovo ThinkVision T34w-20 |
