Comparison between:
- 31.5" Dell U3223QE
- 37.52" Dell U3821DW
- 34.14" Dell UltraSharp U3419W
- 34.14" Dell U3421WE
Brand, series, model
Information about the brand, series, model and model aliases.
| Dell U3223QE | Dell U3821DW | Dell UltraSharp U3419W | Dell U3421WE | |
| Series | UltraSharp | UltraSharp | UltraSharp | UltraSharp |
 |  |  |  | |
| Model alias | UltraSharp U3223QE | - | - | UltraSharp U3421WE |
| Model year | 2022 | 2021 | 2018 | 2020 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 31.5 in | 37.52 in | 34.14 in | 34.14 in |
| Diagonal | 801 mm 80.1 cm 31.5354 in 2.628 ft | 952.9 mm 95.29 cm 37.5157 in 3.1263 ft | 867.2 mm 86.72 cm 34.1417 in 2.8451 ft | 867.2 mm 86.72 cm 34.1417 in 2.8451 ft |
| Width | 697.31 mm 69.731 cm 27.4531 in 2.2878 ft | 890 mm 89 cm 35.0394 in 2.9199 ft | 799.8 mm 79.98 cm 31.4882 in 2.624 ft | 799.8 mm 79.98 cm 31.4882 in 2.624 ft |
| Height | 392.23 mm 39.223 cm 15.4421 in 1.2868 ft | 387.8 mm 38.78 cm 15.2677 in 1.2723 ft | 334.8 mm 33.48 cm 13.1811 in 1.0984 ft | 334.8 mm 33.48 cm 13.1811 in 1.0984 ft |
| Radius of curvature | - | 2300 mm 230 cm 90.5512 in 7.5459 ft | 1900 mm 190 cm 74.8031 in 6.2336 ft | 1900 mm 190 cm 74.8031 in 6.2336 ft |
| Panel manufacturer | LG Display | - | LG Display | LG Display |
| Panel type | IPS | IPS | AH-IPS | AH-IPS |
| Panel bit depth | 10 bits | 10 bits | 10 bits (8 bits + FRC) | 10 bits |
| FRC | - | - | Yes | - |
| Colors | 1073741824 colors 30 bits | 1073741824 colors 30 bits | 1073741824 colors 30 bits | 1073741824 colors 30 bits |
| Aspect ratio | 1.778:1 16:9 | 2.4:1 | 2.389:1 | 2.389:1 |
| Resolution | 3840 x 2160 pixels Ultra HD (UHD) / 4K / 2160p | 3840 x 1600 pixels | 3440 x 1440 pixels | 3440 x 1440 pixels |
| Pixel pitch | 0.182 mm 0.0182 cm 0.0071 in 0.0006 ft | 0.229 mm 0.0229 cm 0.009 in 0.0008 ft | 0.233 mm 0.0233 cm 0.0092 in 0.0008 ft | 0.233 mm 0.0233 cm 0.0092 in 0.0008 ft |
| Pixel density | 140 ppi 55 ppcm | 109 ppi 43 ppcm | 109 ppi 43 ppcm | 109 ppi 43 ppcm |
| Display area | 93.6 % | 98.38 % | 90.49 % | - |
| Backlight | W-LED | W-LED | W-LED | W-LED |
| sRGB | 100 % | 100 % | 99 % | 99 % |
| DCI P3 | 98 % | 95 % | - | 95 % |
| Brightness | 400 cd/m² | 300 cd/m² | 300 cd/m² | 300 cd/m² |
| Peak brightness | 450 cd/m² | - | - | - |
| Static contrast | 2000 : 1 | 1000 : 1 | 1000 : 1 | 1000 : 1 |
| HDR | HDR10 | - | - | - |
| Horizontal viewing angle | 178 ° | 178 ° | 178 ° | 178 ° |
| Vertical viewing angle | 178 ° | 178 ° | 178 ° | 178 ° |
| Minimum response time | 5 ms 0.0050 s | 5 ms 0.0050 s | 5 ms 0.0050 s | 5 ms 0.0050 s |
| Average response time | 8 ms 0.0080 s | 8 ms 0.0080 s | 8 ms 0.0080 s | 8 ms 0.0080 s |
| Input lag | 8.9 ms 0.0089 s | - | - | - |
| Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| - | - | CIE1976 - 90% CIE1931 - 75% | - |
3D
3D displays use various technologies to achieve a 3D effect. Each of these technologies has its own advantages and drawbacks.
| 3D | No | No | No | No |
Frequencies
Information about the horizontal and vertical refresh rates/frequencies.
| Horizontal frequency (digital) | 15 kHz - 140 kHz | 30 kHz - 100 kHz | 30 kHz - 134 kHz | - |
| Vertical frequency (digital) | 23 Hz - 86 Hz | 56 Hz - 76 Hz | 48 Hz - 76 Hz | 60 Hz |
| Native - 4K at 60 Hz | - | - | - |
Power supply and consumption
Information about the power supply and consumption, energy efficiency class, etc.
| 110V | 100 V - 120 V | 100 V - 120 V | 100 V - 120 V | 100 V - 120 V |
| 220V | 220 V - 240 V | 220 V - 240 V | 220 V - 240 V | 220 V - 240 V |
| Alternating current frequency | 50 Hz - 60 Hz | 50 Hz - 60 Hz | 50 Hz - 60 Hz | 50 Hz - 60 Hz |
| Electric current (A) | 1.5 A | 3 A | 3 A | 3 A |
| Power consumption (off) | 0.2 W | 0.3 W | 0.5 W | 0.5 W |
| Power consumption (sleep) | 0.3 W | 0.3 W | 0.5 W | 0.5 W |
| Power consumption (average) | 29.4 W | 36.5 W | 41 W | 36 W |
| Power consumption (maximum) | 220 W | 230 W | 250 W | 210 W |
| Power consumption (annual) | 94.96 kWh | 105.47 kWh | 60 kWh | - |
| Energy efficiency class | - | - | A | - |
Dimensions, weight and color
Information about the dimensions and the weight of the specific model with and without stand as well as the colors, in which it is offered to the market.
| Width | 712.61 mm 71.261 cm 28.0555 in 2.338 ft | 894.3 mm 89.43 cm 35.2087 in 2.9341 ft | 813.6 mm 81.36 cm 32.0315 in 2.6693 ft | 813.3 mm 81.33 cm 32.0197 in 2.6683 ft |
| Height | 410.04 mm 41.004 cm 16.1433 in 1.3453 ft | 392.3 mm 39.23 cm 15.4449 in 1.2871 ft | 363.7 mm 36.37 cm 14.3189 in 1.1932 ft | - |
| Depth | 55.78 mm 5.578 cm 2.1961 in 0.183 ft | 102.4 mm 10.24 cm 4.0315 in 0.336 ft | 58.4 mm 5.84 cm 2.2992 in 0.1916 ft | - |
| Weight | 5.65 kg 12.46 lbs | 8.8 kg 19.4 lbs | 8.2 kg 18.08 lbs | 7.52 kg 16.58 lbs |
| Width with stand | 712.61 mm 71.261 cm 28.0555 in 2.338 ft | 894.3 mm 89.43 cm 35.2087 in 2.9341 ft | 813.6 mm 81.36 cm 32.0315 in 2.6693 ft | 813.3 mm 81.33 cm 32.0197 in 2.6683 ft |
| Height with stand | 469.34 mm 46.934 cm 18.478 in 1.5398 ft | 443.8 mm 44.38 cm 17.4724 in 1.456 ft | 417 mm 41.7 cm 16.4173 in 1.3681 ft | 392.8 mm 39.28 cm 15.4646 in 1.2887 ft |
| Depth with stand | 233.17 mm 23.317 cm 9.1799 in 0.765 ft | 251.2 mm 25.12 cm 9.8898 in 0.8241 ft | 226.4 mm 22.64 cm 8.9134 in 0.7428 ft | 237.4 mm 23.74 cm 9.3465 in 0.7789 ft |
| Weight with stand | 10.36 kg 22.84 lbs | 13.6 kg 29.98 lbs | 11.1 kg 24.47 lbs | 11.87 kg 26.17 lbs |
| Box weight | 14.49 kg 31.94 lbs | 19.9 kg 43.87 lbs | 16 kg 35.27 lbs | 16.62 kg 36.64 lbs |
| Stand width | 300 mm 30 cm 11.811 in 0.9843 ft | 385 mm 38.5 cm 15.1575 in 1.2631 ft | - | - |
| Stand height | 436.5 mm 43.65 cm 17.185 in 1.4321 ft | 318.3 mm 31.83 cm 12.5315 in 1.0443 ft | - | - |
| Stand depth | 233.17 mm 23.317 cm 9.1799 in 0.765 ft | 251.2 mm 25.12 cm 9.8898 in 0.8241 ft | - | - |
| Colors | Black and Silver | Black | Gray | Platinum Silver |
Ergonomics
Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.
| VESA mount | Yes | Yes | Yes | Yes |
| VESA interface | 100 x 100 mm | 100 x 100 mm | 100 x 100 mm | 100 x 100 mm |
| Removable stand | Yes | Yes | Yes | Yes |
| Height adjustment | Yes | Yes | Yes | Yes |
| Height adjustment range | 150 mm 15 cm 5.9055 in 0.4921 ft | 120 mm 12 cm 4.7244 in 0.3937 ft | 115 mm 11.5 cm 4.5276 in 0.3773 ft | 150 mm 15 cm 5.9055 in 0.4921 ft |
| Landscape/portrait pivot | Yes | No | No | No |
| Left pivot | 90 ° | - | - | - |
| Right pivot | 90 ° | - | - | - |
| Left/right swivel | Yes | Yes | Yes | Yes |
| Left swivel | 30 ° | 30 ° | 30 ° | 30 ° |
| Right swivel | 30 ° | 30 ° | 30 ° | 30 ° |
| Forward/backward tilt | Yes | Yes | Yes | Yes |
| Forward tilt | 5 ° | 5 ° | 5 ° | 5 ° |
| Backward tilt | 21 ° | 21 ° | 21 ° | 21 ° |
Audio
Information about the audio system - number and power of the built-in speakers, supported audio technologies.
| Speakers | - | 2 x 9 W | 2 x 9 W | 2 x 5 W |
Camera
Many contemporary desktop monitors and smart TV sets have built-in cameras.
| Camera | No | No | No | No |
Network
Supported network technologies and standards for exchanging data with other devices.
| Network | LAN | - | - | - |
Connectivity
Available connectivity ports, slots and interfaces.
| Connectivity | 1 x USB (Type-C; downstream; 15W) 1 x USB (Type-C; upstream; 90W; DP Alt Mode) 5 x USB 3.2 (Type-A; Gen 2; 10 Gbps downstream) 1 x USB 3.2 (Type-C; Gen 2; 10 Gbps upstream) 1 x Ethernet RJ45 1 x HDMI 2.0 1 x DisplayPort 1.4 (DSC) 1 x DisplayPort 1.4 (out with MST) 1 x 3.5 mm Audio Out | 1 x USB 3.2 (Type-B; Gen 1; upstream) 1 x USB 3.2 (Type-C; downstream) 1 x USB 3.2 (Type-C; upstream; 90W; DP Alt Mode) 4 x USB 3.2 (Type-A; Gen 1; downstream) 1 x Ethernet RJ45 2 x HDMI 2.0 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out (line-out for speakers) | 4 x USB 3.0 (downstream) 1 x USB 3.0 (Type-C; 90W) 2 x USB 3.0 (upstream) 2 x HDMI 2.0 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out | 1 x USB 3.1 (Type-C; upstream; 90W; DP Alt Mode) 1 x USB 3.1 (Type-C; downstream; 15W) 4 x USB 3.2 (Type-A; Gen 1; downstream; 5 Gbps) 1 x USB 3.2 (Type-B; Gen 1; upstream) 1 x Ethernet RJ45 2 x HDMI 2.0 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out |
| High-bandwidth Digital Content Protection (HDCP) 2.2 | High-bandwidth Digital Content Protection (HDCP) | High-bandwidth Digital Content Protection (HDCP) | High-bandwidth Digital Content Protection (HDCP) |
Features
Some additional functional features of the model.
| Features | ComfortView Plus Dell Display Manager Compatibility Dell Power Button Sync (DPBS) Display Stream Compression (DSC) Flicker-free technology IPS Black panel technology KVM Switch Multi-Monitor Sync (MMS) Picture-by-Picture Picture-in-Picture | Flicker-free technology KVM Switch Low Blue Light Picture-by-Picture Picture-in-Picture | Flicker-free technology KVM Picture-by-Picture Picture-in-Picture | ComfortView Flicker-free technology KVM Switch Low Blue Light Picture-by-Picture Picture-in-Picture |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | EPEAT Gold Energy Star RoHS TUV Rheinland Low Blue Light Certified (Hardware Solution) | ENERGY STAR 8.0 EPEAT Gold RoHS TAA Availability TCO Certified Displays | RoHS Compliant China Energy Label (CEL) WEEE ErP (EuP) TÜV-Certified Flicker-Free | Energy Star EPEAT Gold RoHS TCO Certified Displays TUV Rheinland Flicker Free Certified TUV Rheinland Low Blue Light Certified |
Operating and storage conditions
There are certain requirements for the environmental conditions, in which the display should be used and stored in order to function properly.
| Operating temperature | 0 °C - 40 °C 32 °F - 104 °F | 0 °C - 40 °C 32 °F - 104 °F | 0 °C - 40 °C 32 °F - 104 °F | 0 °C - 40 °C 32 °F - 104 °F |
| Operating humidity | 10 % - 80 % | 10 % - 80 % | 10 % - 80 % | 10 % - 80 % |
| Operating altitude | 5000 m 16404.2 ft | 5000 m 16404.2 ft | 5000 m 16404.2 ft | 5000 m 16404.2 ft |
| Storage temperature | -20 °C - 60 °C -4 °F - 140 °F | -20 °C - 60 °C -4 °F - 140 °F | -20 °C - 60 °C -4 °F - 140 °F | -20 °C - 60 °C -4 °F - 140 °F |
| Storage humidity | 5 % - 90 % | 5 % - 90 % | 5 % - 90 % | 5 % - 90 % |
| Storage altitude | 12192 m 40000 ft | 12192 m 40000 ft | 12192 m 40000 ft | 12192 m 40000 ft |
Accessories
Often the packaging of desktop monitors and smart TV sets includes accessories for them.
| Accessories | DisplayPort cable USB Type-C cable USB Type-A to Type-B cable | DisplayPort cable HDMI cable USB Type-C cable USB Type-B 3.2 Gen 1 cable | DisplayPort cable USB 3.0 upstream cable USB Type-C cable | DisplayPort cable HDMI cable USB Type-A to Type-B cable USB Type-C to Type-C cable |
Additional features
Information about other features.
| Additional features | Security lock slot | Security lock slot | Security lock slot | Security lock slot |
| Dell U3223QE | Dell U3821DW | Dell UltraSharp U3419W | Dell U3421WE |