Comparison between:
- 27" Dell S2721DS
- 23.8" Dell P2415Q
Brand, series, model
Information about the brand, series, model and model aliases.
| Dell S2721DS | Dell P2415Q | |
 |  | |
| Model year | 2020 | 2014 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 27 in | 23.8 in |
| Diagonal | 684.7 mm 68.47 cm 26.9567 in 2.2464 ft | 604.7 mm 60.47 cm 23.8071 in 1.9839 ft |
| Width | 596.736 mm 59.6736 cm 23.4935 in 1.9578 ft | 527.04 mm 52.704 cm 20.7496 in 1.7291 ft |
| Height | 335.664 mm 33.5664 cm 13.2151 in 1.1013 ft | 296.46 mm 29.646 cm 11.6717 in 0.9726 ft |
| Panel manufacturer | - | LG Display |
| Panel model | - | LM238WR2-SLA1 |
| Panel type | IPS | AH-IPS |
| Panel bit depth | 8 bits | 10 bits (8 bits + FRC) |
| FRC | - | Yes |
| Colors | 16777216 colors 24 bits | 1073741824 colors 30 bits |
| Aspect ratio | 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 |
| Pixel pitch | 0.233 mm 0.0233 cm 0.0092 in 0.0008 ft | 0.137 mm 0.0137 cm 0.0054 in 0.0005 ft |
| Pixel density | 109 ppi 42 ppcm | 185 ppi 72 ppcm |
| Display area | 89.83 % | 82.05 % |
| Backlight | W-LED | W-LED |
| sRGB | 99 % | 99 % |
| NTSC (1953) | - | 72 % |
| Brightness | 350 cd/m² | 300 cd/m² |
| Static contrast | 1000 : 1 | 1000 : 1 |
| Dynamic contrast | - | 2000000 : 1 |
| Horizontal viewing angle | 178 ° | 178 ° |
| Vertical viewing angle | 178 ° | 178 ° |
| Minimum response time | 4 ms 0.0040 s | 6 ms 0.0060 s |
| Average response time | 8 ms 0.0080 s | 8 ms 0.0080 s |
| Maximum response time | - | 14 ms 0.0140 s |
| Input lag | - | 12 ms 0.0120 s |
| Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| - | CIE1976 - 102.28% CIE1931 - 82.09% |
3D
3D displays use various technologies to achieve a 3D effect. Each of these technologies has its own advantages and drawbacks.
| 3D | No | No |
Frequencies
Information about the horizontal and vertical refresh rates/frequencies.
| Horizontal frequency (digital) | 30 kHz - 115 kHz | 31 kHz - 140 kHz |
| Vertical frequency (digital) | 48 Hz - 75 Hz | 29 Hz - 76 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 |
| 220V | 220 V - 240 V | 220 V - 240 V |
| Alternating current frequency | 50 Hz - 60 Hz | 50 Hz - 60 Hz |
| Electric current (A) | - | 1.8 A |
| Power consumption (off) | 0.3 W | 0.5 W |
| Power consumption (sleep) | 0.3 W | 0.5 W |
| Power consumption (eco) | 17.5 W | - |
| Power consumption (average) | 19 W | 45 W |
| Power consumption (maximum) | 40 W | 90 W |
| Power consumption (annual) | 54.68 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 | 611.6 mm 61.16 cm 24.0787 in 2.0066 ft | 566.64 mm 56.664 cm 22.3087 in 1.8591 ft |
| Height | 364.6 mm 36.46 cm 14.3543 in 1.1962 ft | 336.06 mm 33.606 cm 13.2307 in 1.1026 ft |
| Depth | 55.4 mm 5.54 cm 2.1811 in 0.1818 ft | 46.93 mm 4.693 cm 1.8476 in 0.154 ft |
| Weight | 4.4 kg 9.7 lbs | 3.34 kg 7.36 lbs |
| Width with stand | 611.6 mm 61.16 cm 24.0787 in 2.0066 ft | 566.64 mm 56.664 cm 22.3087 in 1.8591 ft |
| Height with stand | 400.1 mm 40.01 cm 15.752 in 1.3127 ft | 369.53 mm 36.953 cm 14.5484 in 1.2124 ft |
| Depth with stand | 174.7 mm 17.47 cm 6.878 in 0.5732 ft | 205 mm 20.5 cm 8.0709 in 0.6726 ft |
| Weight with stand | 6.2 kg 13.67 lbs | 8.68 kg 19.14 lbs |
| Box weight | 8.9 kg 19.62 lbs | - |
| Colors | Silver | Black |
Ergonomics
Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.
| VESA mount | Yes | Yes |
| VESA interface | 100 x 100 mm | 100 x 100 mm |
| Removable stand | Yes | Yes |
| Height adjustment | Yes | Yes |
| Height adjustment range | 110 mm 11 cm 4.3307 in 0.3609 ft | 130 mm 13 cm 5.1181 in 0.4265 ft |
| Landscape/portrait pivot | Yes | Yes |
| Left pivot | 90 ° | 90 ° |
| Right pivot | 90 ° | 90 ° |
| Left/right swivel | Yes | Yes |
| Left swivel | 30 ° | 45 ° |
| Right swivel | 30 ° | 45 ° |
| Forward/backward tilt | Yes | Yes |
| Forward tilt | 5 ° | 5 ° |
| Backward tilt | 21 ° | 21 ° |
| Stand width - 257 mm Stand depth - 174.7 mm | - |
Audio
Information about the audio system - number and power of the built-in speakers, supported audio technologies.
| Speakers | 2 x 3 W | - |
Camera
Many contemporary desktop monitors and smart TV sets have built-in cameras.
| Camera | No | No |
Connectivity
Available connectivity ports, slots and interfaces.
| Connectivity | 2 x HDMI 1.4 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out | 1 x USB 3.0 (upstream) 4 x USB 3.0 (downstream) 1 x HDMI 1.4 (MHL) 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 | - |
Features
Some additional functional features of the model.
| Features | 3-sided bezeless design AMD FreeSync technology Flicker-free technology Low Blue Light | - |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | ENERGY STAR 8.0 EPEAT RoHS TCO Certified TUV Flicker Free TUV Low Blue Light | 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 |
| Operating humidity | 10 % - 80 % | 10 % - 80 % |
| Operating altitude | 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 |
| Storage humidity | 5 % - 90 % | 5 % - 90 % |
| Storage altitude | 12192 m 40000 ft | 12192 m 40000 ft |
Accessories
Often the packaging of desktop monitors and smart TV sets includes accessories for them.
| Accessories | HDMI cable | DisplayPort cable - mini-DP to DP Factory calibration report USB 3.0 upstream cable |
Additional features
Information about other features.
| Additional features | Anti-theft stand lock slot - Kensington | Anti-theft stand lock slot - Kensington |
| Dell S2721DS | Dell P2415Q |