Comparison between:
- 27" Dell U2721DE
- 27" Dell U2725QE
- 27" Dell U2723QE
Brand, series, model
Information about the brand, series, model and model aliases.
| Dell U2721DE | Dell U2725QE | Dell U2723QE | |
| Series | UltraSharp | UltraSharp | UltraSharp |
 |  |  | |
| Model alias | - | UltraSharp U2725QE | UltraSharp U2723QE |
| Model year | 2020 | 2025 | 2022 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 27 in | 27 in | 27 in |
| Diagonal | 684.7 mm 68.47 cm 26.9567 in 2.2464 ft | 684.7 mm 68.47 cm 26.9567 in 2.2464 ft | 684.667 mm 68.4667 cm 26.9554 in 2.2463 ft |
| Width | 596.736 mm 59.6736 cm 23.4935 in 1.9578 ft | 596.736 mm 59.6736 cm 23.4935 in 1.9578 ft | 596.736 mm 59.6736 cm 23.4935 in 1.9578 ft |
| Height | 335.664 mm 33.5664 cm 13.2151 in 1.1013 ft | 335.664 mm 33.5664 cm 13.2151 in 1.1013 ft | 335.664 mm 33.5664 cm 13.2151 in 1.1013 ft |
| Panel manufacturer | - | - | LG Display |
| Panel model | - | - | LM270WR9-SSA1 |
| Panel type | IPS | IPS | IPS |
| Panel bit depth | 8 bits | 10 bits (8 bits + FRC) | 10 bits (8 bits + FRC) |
| FRC | - | Yes | Yes |
| Colors | 16777216 colors 24 bits | 1073741824 colors 30 bits | 1073741824 colors 30 bits |
| Aspect ratio | 1.778:1 16:9 | 1.778:1 16:9 | 1.778:1 16:9 |
| Resolution | 2560 x 1440 pixels Quad HD (QHD) / 1440p | 3840 x 2160 pixels Ultra HD (UHD) / 4K / 2160p | 3840 x 2160 pixels Ultra HD (UHD) / 4K / 2160p |
| Pixel pitch | 0.233 mm 0.0233 cm 0.0092 in 0.0008 ft | 0.155 mm 0.0155 cm 0.0061 in 0.0005 ft | 0.155 mm 0.0155 cm 0.0061 in 0.0005 ft |
| Pixel density | 109 ppi 42 ppcm | 163 ppi 64 ppcm | 163 ppi 64 ppcm |
| Display area | 92.16 % | 92.52 % | 92.8 % |
| Backlight | W-LED | Edge LED (Local Dimming) | W-LED |
| sRGB | 99 % | 100 % | 100 % |
| Adobe RGB (1998) | - | - | 93.6 % |
| DCI P3 | 89 % | 99 % | 98 % |
| Rec. 2020 | - | 77 % | - |
| Brightness | 350 cd/m² | 450 cd/m² | 340 cd/m² |
| Peak brightness | - | 600 cd/m² | 430 cd/m² |
| Static contrast | 1000 : 1 | 3000 : 1 | 2000 : 1 |
| HDR | - | DisplayHDR 600 | DisplayHDR 400 |
| Horizontal viewing angle | 178 ° | 178 ° | 178 ° |
| Vertical viewing angle | 178 ° | 178 ° | 178 ° |
| Minimum response time | 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 | 8.6 ms 0.0086 s |
| Input lag | - | 5 ms 0.0050 s | 9 ms 0.0090 s |
| Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| - | IPS Black technology Local dimming zones - 8 | - |
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 |
Frequencies
Information about the horizontal and vertical refresh rates/frequencies.
| Horizontal frequency (digital) | 30 kHz - 90 kHz | 30 kHz - 275 kHz | 15 kHz - 140 kHz |
| Vertical frequency (digital) | 56 Hz - 76 Hz | 48 Hz - 120 Hz | 23 Hz - 87 Hz |
| 2560 x 1440 @ 60 Hz | - | Native - 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 |
| 220V | 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 |
| Electric current (A) | 1.8 A | - | 1.5 A |
| Power consumption (off) | 0.3 W | 0.3 W | 0.2 W |
| Power consumption (sleep) | 0.3 W | 0.3 W | 0.3 W |
| Power consumption (eco) | 19.9 W | - | - |
| Power consumption (average) | 33.2 W | 30.5 W | 25.9 W |
| Power consumption (maximum) | 160 W | 335 W | 220 W |
| Power consumption (annual) | 64.3 kWh | 100.5 kWh | 91.83 kWh |
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 | 612.2 mm 61.22 cm 24.1024 in 2.0085 ft | 612.44 mm 61.244 cm 24.1118 in 2.0093 ft | 611.44 mm 61.144 cm 24.0724 in 2.006 ft |
| Height | 355 mm 35.5 cm 13.9764 in 1.1647 ft | 353.51 mm 35.351 cm 13.9177 in 1.1598 ft | 353.01 mm 35.301 cm 13.898 in 1.1582 ft |
| Depth | 39 mm 3.9 cm 1.5354 in 0.128 ft | 55.6 mm 5.56 cm 2.189 in 0.1824 ft | 54.33 mm 5.433 cm 2.139 in 0.1782 ft |
| Weight | 4.19 kg 9.24 lbs | 5.22 kg 11.51 lbs | 4.48 kg 9.88 lbs |
| Width with stand | 612.2 mm 61.22 cm 24.1024 in 2.0085 ft | 612.44 mm 61.244 cm 24.1118 in 2.0093 ft | 611.44 mm 61.144 cm 24.0724 in 2.006 ft |
| Height with stand | 390.2 mm 39.02 cm 15.3622 in 1.2802 ft | 385.68 mm 38.568 cm 15.1843 in 1.2654 ft | 385.18 mm 38.518 cm 15.1646 in 1.2637 ft |
| Depth with stand | 180 mm 18 cm 7.0866 in 0.5906 ft | 189 mm 18.9 cm 7.4409 in 0.6201 ft | 185 mm 18.5 cm 7.2835 in 0.607 ft |
| Weight with stand | 6.24 kg 13.76 lbs | 7.06 kg 15.56 lbs | 6.64 kg 14.64 lbs |
| Box weight | 8.72 kg 19.22 lbs | 9.73 kg 21.45 lbs | 9.53 kg 21.01 lbs |
| Stand width | - | 272.8 mm 27.28 cm 10.7402 in 0.895 ft | 268 mm 26.8 cm 10.5512 in 0.8793 ft |
| Stand height | - | - | 381.5 mm 38.15 cm 15.0197 in 1.2516 ft |
| Stand depth | - | 189 mm 18.9 cm 7.4409 in 0.6201 ft | 185 mm 18.5 cm 7.2835 in 0.607 ft |
| Colors | Black | Black and Silver | Black and Silver |
Ergonomics
Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.
| VESA mount | Yes | Yes | Yes |
| VESA interface | 100 x 100 mm | 100 x 100 mm | 100 x 100 mm |
| Removable stand | Yes | Yes | Yes |
| Height adjustment | Yes | Yes | Yes |
| Height adjustment range | 130 mm 13 cm 5.1181 in 0.4265 ft | 150 mm 15 cm 5.9055 in 0.4921 ft | 150 mm 15 cm 5.9055 in 0.4921 ft |
| Landscape/portrait pivot | Yes | Yes | Yes |
| Left pivot | 90 ° | 90 ° | 90 ° |
| Right pivot | 90 ° | 90 ° | 90 ° |
| Left/right swivel | Yes | Yes | Yes |
| Left swivel | 40 ° | 30 ° | 30 ° |
| Right swivel | 40 ° | 30 ° | 30 ° |
| Forward/backward tilt | Yes | Yes | Yes |
| Forward tilt | 5 ° | 5 ° | 5 ° |
| Backward tilt | 21 ° | 21 ° | 21 ° |
| - | Cable management | - |
Camera
Many contemporary desktop monitors and smart TV sets have built-in cameras.
| Camera | No | No | No |
Network
Supported network technologies and standards for exchanging data with other devices.
| Network | - | LAN | LAN |
Connectivity
Available connectivity ports, slots and interfaces.
| Connectivity | 2 x USB 3.0 (downstream; BC 1.2) 2 x USB 3.0 (downstream) 1 x USB 3.1 (Type-C; upstream; DP; 65W) 1 x Ethernet RJ45 1 x HDMI 1.4 1 x DisplayPort 1.4 (Output MST) 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out | 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) 5 x USB 3.2 (Type-A; Gen 2; 10 Gbps; downstream) 1 x Ethernet RJ45 (2.5 Gbps; Wake-on-LAN; MAPT; PXE Boot) 1 x HDMI 2.1 1 x DisplayPort 1.4 (out; Daisy Chain) 1 x DisplayPort 1.4 (in; DSC; HBR3) 1 x Thunderbolt 4.0 (Type-C; upstream; 140W; DP Alt Mode; DSC) 1 x Thunderbolt 4.0 (Type-C; downstream; 15W; Daisy Chain) 1 x 3.5 mm Audio Out | 1 x USB (Type-C; upstream; 90W; DP Alt Mode) 1 x USB (Type-C; Gen 2; 10 Gbps downstream; 15W) 1 x USB 3.2 (Type-C; Gen 2; 10 Gbps upstream) 5 x USB 3.2 (Type-A; Gen 2; 10 Gbps downstream; data only) 1 x Ethernet RJ45 1 x HDMI 2.0 1 x DisplayPort 1.4 (out with MST) 1 x DisplayPort 1.4 (DSC) 1 x 3.5 mm Audio Out |
| High-bandwidth Digital Content Protection (HDCP) 1.4 | High-bandwidth Digital Content Protection (HDCP) 2.2 | High-bandwidth Digital Content Protection (HDCP) 2.2 |
Features
Some additional functional features of the model.
| Features | Flicker-free technology Low Blue Light | Ambient Light Sensor Auto Brightness ComfortView Plus Dell Display and Peripheral Manager (DDPM) Dell Power Button Sync (DPBS) Display Stream Compression (DSC) Dynamic Refresh Rate (DRR) Easy Arrange Flicker-free technology IPS Black technology Low Blue Light KVM Switch (auto) Multi-Monitor Sync (MMS) Picture-by-Picture Picture-in-Picture | ComfortView Plus Dell Display Manager Dell Power Button Sync (DPBS) Display Stream Compression (DSC) Flicker-free technology IPS Black panel technology KVM Switch Low Blue Light Multi-Monitor Sync (MMS) Picture-by-Picture Picture-in-Picture |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | ENERGY STAR EPEAT TCO Certified RoHS NFPA 99 | Energy Star EPEAT Gold FCC RoHS TCO Certified Edge TÜV Rheinland Eye Comfort 3.0 with 5-star rating | EPEAT Gold Energy Star RoHS TUV Rheinland Low Blue Light Certified (Hardware Solution) |
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 |
| Operating humidity | 10 % - 80 % | 10 % - 80 % | 10 % - 80 % |
| Operating altitude | 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 |
| Storage humidity | 5 % - 90 % | 5 % - 90 % | 5 % - 90 % |
| Storage altitude | 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 to Type-C cable | DisplayPort cable Thunderbolt 4 cable (40 Gbps) USB Type-C to Type-A cable | DisplayPort cable USB Type-C cable USB Type-A to Type-B cable |
Additional features
Information about other features.
| Additional features | Security lock slot | Security lock slot | Security lock slot |
| Dell U2721DE | Dell U2725QE | Dell U2723QE |