Comparison between:
- 27" Dell U2721DE
- 27" Dell UltraSharp U2713HM
- 30" Dell UltraSharp UP3017
- 27" Dell UltraSharp U2715H
Brand, series, model
Information about the brand, series, model and model aliases.
| Dell U2721DE | Dell UltraSharp U2713HM | Dell UltraSharp UP3017 | Dell UltraSharp U2715H | |
| Series | UltraSharp | UltraSharp | UltraSharp | UltraSharp |
 |  |  |  | |
| Model year | 2020 | 2012 | 2016 | 2014 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 27 in | 27 in | 30 in | 27 in |
| Diagonal | 684.7 mm 68.47 cm 26.9567 in 2.2464 ft | 685.8 mm 68.58 cm 27 in 2.25 ft | 756.2 mm 75.62 cm 29.7717 in 2.481 ft | 684.7 mm 68.47 cm 26.9567 in 2.2464 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 | 641.3 mm 64.13 cm 25.248 in 2.104 ft | 596.74 mm 59.674 cm 23.4937 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 | 400.8 mm 40.08 cm 15.7795 in 1.315 ft | 335.66 mm 33.566 cm 13.215 in 1.1012 ft |
| Panel manufacturer | - | LG Display | - | LG Display |
| Panel model | - | LM270WQ1-SLB2 | - | LM270WQ4-SSA1 |
| Panel type | IPS | AH-IPS | IPS | AH-IPS |
| Panel bit depth | 8 bits | 8 bits | 10 bits (8 bits + FRC) | 8 bits |
| FRC | - | No | Yes | No |
| LUT | - | 3D LUT 14 bits | 3D LUT 14 bits | - |
| Colors | 16777216 colors 24 bits | 16777216 colors 24 bits | 1073741824 colors 30 bits | 16777216 colors 24 bits |
| Aspect ratio | 1.778:1 16:9 | 1.778:1 16:9 | 1.6:1 16:10 | 1.778:1 16:9 |
| Resolution | 2560 x 1440 pixels Quad HD (QHD) / 1440p | 2560 x 1440 pixels Quad HD (QHD) / 1440p | 2560 x 1600 pixels | 2560 x 1440 pixels Quad HD (QHD) / 1440p |
| Pixel pitch | 0.233 mm 0.0233 cm 0.0092 in 0.0008 ft | 0.233 mm 0.0233 cm 0.0092 in 0.0008 ft | 0.251 mm 0.0251 cm 0.0099 in 0.0008 ft | 0.233 mm 0.0233 cm 0.0092 in 0.0008 ft |
| Pixel density | 109 ppi 42 ppcm | 109 ppi 42 ppcm | 101 ppi 39 ppcm | 109 ppi 42 ppcm |
| Display area | 92.16 % | 82.84 % | 83.69 % | 89.96 % |
| Backlight | W-LED | 17S4P W-LED | W-LED | W-LED |
| sRGB | 99 % | 99 % | 99 % | 99 % |
| Adobe RGB (1998) | - | 79 % | 99 % | - |
| NTSC (1953) | - | 72 % | - | 72 % |
| DCI P3 | 89 % | - | 99 % | - |
| Brightness | 350 cd/m² | 350 cd/m² | 350 cd/m² | 350 cd/m² |
| Static contrast | 1000 : 1 | 1000 : 1 | 1000 : 1 | 1000 : 1 |
| Dynamic contrast | - | 2000000 : 1 | - | 2000000 : 1 |
| 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 | 6 ms 0.0060 s | 6 ms 0.0060 s |
| Average response time | 8 ms 0.0080 s | 8 ms 0.0080 s | 8 ms 0.0080 s | - |
| Maximum response time | - | 12 ms 0.0120 s | - | 8 ms 0.0080 s |
| Input lag | - | 22 ms 0.0220 s | - | 12 ms 0.0120 s |
| Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| - | CIE1976 - 82% CIE1931 - 72% | REC 709 - 99% | CIE1976 - 91% CIE1931 - 76% |
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) | 30 kHz - 90 kHz | 30 kHz - 113 kHz | 30 kHz - 113 kHz | 30 kHz - 113 kHz |
| Vertical frequency (digital) | 56 Hz - 76 Hz | 56 Hz - 86 Hz | 50 Hz - 86 Hz | 56 Hz - 86 Hz |
| 2560 x 1440 @ 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) | 1.8 A | 1.5 A | 1.6 A | 1.5 A |
| Power consumption (off) | 0.3 W | 0.5 W | 0.3 W | - |
| Power consumption (sleep) | 0.3 W | 0.5 W | 0.3 W | 0.5 W |
| Power consumption (eco) | 19.9 W | - | 38.2 W | - |
| Power consumption (average) | 33.2 W | 42 W | 54 W | 36 W |
| Power consumption (maximum) | 160 W | 100 W | 108 W | 88 W |
| Power consumption (annual) | 64.3 kWh | - | - | - |
| Energy efficiency class | - | - | - | B |
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 | 639.3 mm 63.93 cm 25.1693 in 2.0974 ft | 686.9 mm 68.69 cm 27.0433 in 2.2536 ft | 612.7 mm 61.27 cm 24.122 in 2.0102 ft |
| Height | 355 mm 35.5 cm 13.9764 in 1.1647 ft | 378.2 mm 37.82 cm 14.8898 in 1.2408 ft | 447.1 mm 44.71 cm 17.6024 in 1.4669 ft | 363.4 mm 36.34 cm 14.3071 in 1.1923 ft |
| Depth | 39 mm 3.9 cm 1.5354 in 0.128 ft | 65.6 mm 6.56 cm 2.5827 in 0.2152 ft | 58 mm 5.8 cm 2.2835 in 0.1903 ft | 46.4 mm 4.64 cm 1.8268 in 0.1522 ft |
| Weight | 4.19 kg 9.24 lbs | 5.6 kg 12.35 lbs | 6.49 kg 14.31 lbs | 4.91 kg 10.82 lbs |
| Width with stand | 612.2 mm 61.22 cm 24.1024 in 2.0085 ft | 639.3 mm 63.93 cm 25.1693 in 2.0974 ft | 686.9 mm 68.69 cm 27.0433 in 2.2536 ft | 612.7 mm 61.27 cm 24.122 in 2.0102 ft |
| Height with stand | 390.2 mm 39.02 cm 15.3622 in 1.2802 ft | 424.3 mm 42.43 cm 16.7047 in 1.3921 ft | 482.3 mm 48.23 cm 18.9882 in 1.5823 ft | 409.9 mm 40.99 cm 16.1378 in 1.3448 ft |
| Depth with stand | 180 mm 18 cm 7.0866 in 0.5906 ft | 200.3 mm 20.03 cm 7.8858 in 0.6572 ft | 217 mm 21.7 cm 8.5433 in 0.7119 ft | 205 mm 20.5 cm 8.0709 in 0.6726 ft |
| Weight with stand | 6.24 kg 13.76 lbs | 8.1 kg 17.86 lbs | 9.59 kg 21.14 lbs | 7.02 kg 15.48 lbs |
| Box weight | 8.72 kg 19.22 lbs | - | - | - |
| Colors | Black | Black | Black | Black 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 | 130 mm 13 cm 5.1181 in 0.4265 ft | 115 mm 11.5 cm 4.5276 in 0.3773 ft | 150 mm 15 cm 5.9055 in 0.4921 ft | 100 mm 10 cm 3.937 in 0.3281 ft |
| Landscape/portrait pivot | Yes | Yes | Yes | Yes |
| Left pivot | 90 ° | 0 ° | 90 ° | 90 ° |
| Right pivot | 90 ° | 90 ° | 90 ° | 0 ° |
| Left/right swivel | Yes | Yes | Yes | Yes |
| Left swivel | 40 ° | 45 ° | 30 ° | 45 ° |
| Right swivel | 40 ° | 45 ° | 30 ° | 45 ° |
| Forward/backward tilt | Yes | Yes | Yes | Yes |
| Forward tilt | 5 ° | 4 ° | 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.
| - | - | - | Dell speaker bar AC511 - optional |
Camera
Many contemporary desktop monitors and smart TV sets have built-in cameras.
| Camera | No | No | No | No |
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 3.0 (upstream) 4 x USB 3.0 (downstream) 1 x HDMI 1 x DisplayPort 1.2 1 x DVI-D Dual Link 1 x D-sub 1 x 3.5 mm Audio Out | 1 x USB 3.0 (upstream) 2 x USB 3.0 (downstream) 2 x HDMI 1.4 1 x DisplayPort 1.2 (Output MST) 1 x DisplayPort 1.2 (Input mini) 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out | 1 x USB 3.0 (upstream) 5 x USB 3.0 (downstream) 2 x HDMI 1.4 (MHL 2.0) 1 x DisplayPort (Output MST) 1 x DisplayPort (Input mini) 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out |
| High-bandwidth Digital Content Protection (HDCP) 1.4 | High-bandwidth Digital Content Protection (HDCP) | High-bandwidth Digital Content Protection (HDCP) | - |
Features
Some additional functional features of the model.
| Features | Flicker-free technology Low Blue Light | - | Picture-by-Picture Picture-in-Picture | - |
Audio file formats
Smart TV sets allow playing different audio file formats.
| Audio file formats/codecs | - | AMR AMR-WB+ | - | - |
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 TCO Certified Displays | CECP CEL ENERGY STAR 6.0 Epeat Gold RoHS Compliant TCO Certified Displays | ENERGY STAR 6.0 Epeat Gold RoHS Compliant TCO Certified Displays |
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 - 35 °C 32 °F - 95 °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 | 3048 m 10000 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 | 10668 m 35000 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 | D-sub cable DC power connector for optional Dell Soundbar (AX510) DVI cable Factory calibration report USB 2.0 upstream cable | DisplayPort cable - mini-DP to DP Factory Calibration Report USB 3.0 upstream cable | DisplayPort cable - mini-DP to DP Factory calibration report HDMI cable USB 3.0 upstream cable |
Additional features
Information about other features.
| Additional features | Security lock slot | - | Security lock slot | Anti-theft stand lock slot - Kensington |
| Dell U2721DE | Dell UltraSharp U2713HM | Dell UltraSharp UP3017 | Dell UltraSharp U2715H |