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| General Info | ||
|---|---|---|
| Model Number | Dell U4025QW | Dell S3221QS |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2024 | 2020 |
| Brand | Dell | Dell |
| Model Series | UltraSharp | |
| Model Number | U4025QW | S3221QS |
| Alias | UltraSharp U4025QW | |
| Display | ||
| Screen Size Class | 40" (inches) | 32" (inches) |
| Diagonal Size | 39.71 in 100.9 cm 1008.59 mm 3.31 ft |
31.5 in 80 cm 800.1 mm 2.63 ft |
| Screen Width | 36.59 in 92.9 cm 929.28 mm 3.05 ft |
27.45 in 69.7 cm 697.31 mm 2.29 ft |
| Screen Height | 15.43 in 39.2 cm 392.04 mm 1.29 ft |
15.44 in 39.2 cm 392.26 mm 1.29 ft |
| Display Curvature | 2500 | 1800 |
| Display Type | IPS | VA |
| Display Bit Depth | 10 bits | 10 bits |
| Max Number of Colors | 1073741824 | 1073741824 |
| Bits | 30 | 30 |
| Screen Aspect Ratio | 21:9 | 16:9 |
| Screen Resolution | 5120 x 2160 | 3840 x 2160 |
| Screen Pixel Pitch | 0.182 mm | 0.182 mm |
| Screen Pixel Density | 140 ppi | 140 ppi |
| Screen-to-Body Ratio | 91.83 % | 90.79 % |
| Backlight Source | W-LED | W-LED |
| DCI P3 | 99% | 90% |
| sRGB | 100 % | 99 % |
| Adobe RGB 1998 | 80 % | |
| Screen Brightness | 300 cd/m² | 300 cd/m² |
| Max Screen Brightness | 370 cd/m² | |
| Static Screen Contrast | 2000 : 1 | 3000 : 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 | |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| HDR | DisplayHDR 600 | |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2.35 in 6 cm 59.6 mm 0.2 ft |
2.52 in 6.4 cm 64 mm 0.21 ft |
| Case Weight | 9.5 kg 21 lbs |
7.4 kg 16 lbs |
| Case Width with Stand | 37.27 in 94.7 cm 946.6 mm 3.11 ft |
27.92 in 70.9 cm 709.2 mm 2.33 ft |
| Case Height with Stand | 18.02 in 45.8 cm 457.8 mm 1.5 ft |
17.64 in 44.8 cm 448.1 mm 1.47 ft |
| Case Depth with Stand | 9.76 in 24.8 cm 248 mm 0.81 ft |
8.15 in 20.7 cm 207 mm 0.68 ft |
| Case Weight with Stand | 13.8 kg 30 lbs |
10.9 kg 24 lbs |
| Case Color | Black and Silver | Silver |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 4 x USB 3.2 (Type-A; Gen 2; 10 Gbps; downstream) 1 x Ethernet RJ45 (Wake on LAN; PXE boot; MAC address pass-thru) 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out 2 x Thunderbolt 4.0 (Type-C; upstream; 140W; DP Alt Mode) 1 x HDMI 2.1 1 x USB 3.2 (Type-C; Gen 2; 10 Gbps; upstream; data only) 2 x USB 3.2 (Type-C; Gen 2; 10 Gbps; downstream; 15W) |
2 x HDMI 2.0 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 2 x USB 3.0 (Type-A; downstream) 1 x USB 3.0 (Type-B; upstream) |
| Audio | ||
| Audio Speakers | 2 x 9W | 2 x 5W |
| Features | ||
| Cool Features | Auto KVM ComfortView Plus Picture-by-Picture Flicker-free technology Network KVM Picture-in-Picture IPS Black Dell Display Manager Adaptive-Sync technology Low Blue Light Ambient Light Sensor OSD joystick |
Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology |
| Extra Features | Security lock slot | Anti-theft stand lock slot - Kensington |
| Ergonomics | ||
| Case Width | 37.27 in 94.7 cm 946.6 mm 3.11 ft |
27.92 in 70.9 cm 709.2 mm 2.33 ft |
| Case Height | 16.5 in 41.9 cm 419.1 mm 1.38 ft |
16.72 in 42.5 cm 424.8 mm 1.39 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 |
70 mm 7 cm 2.7559 in 0.2297 ft |
| Landscape or Portrait Pivot Support | No | No |
| Left or Right Swivel Support | Yes | No |
| Left Swivel | 30 ° | |
| Right Swivel | 30 ° | |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 21 ° | 21 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 48 Hz - 120 Hz | 40 Hz - 60 Hz |
| Horizontal Digital Frequency | 29 kHz - 140 kHz | |
| 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 |
HDMI cable |
| Certificates and Standards | ||
| Licenses | Energy Star EPEAT Gold RoHS TCO Certified Displays TÜV Rheinland 5-star Eye Comfort Certified |
ENERGY STAR 8.0 EPEAT RoHS TCO Certified TUV Flicker Free TUV Low Blue Light |
| 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 | 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 % - 90 % |
| Max Operating Altitude | 5000 | 5000 |
| Max Storage Altitude | 12192 | 12192 |
| Dell U4025QW | Dell S3221QS |
