Comparison between:
- 25" Dell U2520D
- 27" Dell E2720H
- 27" Dell E2720HS
- 27" Dell P2720D

Brand, series, model

Information about the brand, series, model and model aliases.

Dell U2520DDell E2720HDell E2720HSDell P2720D
SeriesUltraSharp---
Dell U2520DDell E2720HDell E2720HSDell P2720D
Model aliasUltraSharp U2520D
U2520DR
---

Display

Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.

Size class25 in27 in27 in27 in
Diagonal634.4 mm
63.44 cm
24.9764 in
2.0814 ft
685.99 mm
68.599 cm
27.0075 in
2.2506 ft
684.7 mm
68.47 cm
26.9567 in
2.2464 ft
684.7 mm
68.47 cm
26.9567 in
2.2464 ft
Width552.96 mm
55.296 cm
21.7701 in
1.8142 ft
597.89 mm
59.789 cm
23.539 in
1.9616 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
Height311.04 mm
31.104 cm
12.2457 in
1.0205 ft
336.31 mm
33.631 cm
13.2406 in
1.1034 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 typeIPSIPSIPSIPS
Panel bit depth8 bits8 bits8 bits8 bits
FRCNo---
Colors16777216 colors
24 bits
16777216 colors
24 bits
16777216 colors
24 bits
16777216 colors
24 bits
Aspect ratio1.778:1
16:9
1.778:1
16:9
1.778:1
16:9
1.778:1
16:9
Resolution2560 x 1440 pixels
Quad HD (QHD) / 1440p
1920 x 1080 pixels
Full HD / 1080p
1920 x 1080 pixels
Full HD / 1080p
2560 x 1440 pixels
Quad HD (QHD) / 1440p
Pixel pitch0.216 mm
0.0216 cm
0.0085 in
0.0007 ft
0.311 mm
0.0311 cm
0.0123 in
0.001 ft
0.311 mm
0.0311 cm
0.0123 in
0.001 ft
0.233 mm
0.0233 cm
0.0092 in
0.0008 ft
Pixel density117 ppi
46 ppcm
81 ppi
32 ppcm
81 ppi
32 ppcm
109 ppi
42 ppcm
Display area91.23 %88.32 %87.98 %89.95 %
BacklightW-LEDW-LEDW-LEDW-LED
sRGB99 %--99 %
NTSC (1953)-72 %72 %-
DCI P395 %---
Brightness350 cd/m²300 cd/m²300 cd/m²350 cd/m²
Static contrast1000 : 11000 : 11000 : 11000 : 1
HDRDisplayHDR 400---
Horizontal viewing angle178 °178 °178 °178 °
Vertical viewing angle178 °178 °178 °178 °
Minimum response time5 ms
0.0050 s
5 ms
0.0050 s
5 ms
0.0050 s
5 ms
0.0050 s
Average response time8 ms
0.0080 s
8 ms
0.0080 s
8 ms
0.0080 s
8 ms
0.0080 s
CoatingAnti-glare/Matte (3H)Anti-glare/Matte (3H)Anti-glare/MatteAnti-glare/Matte (3H)

3D

3D displays use various technologies to achieve a 3D effect. Each of these technologies has its own advantages and drawbacks.

3DNoNoNoNo

Frequencies

Information about the horizontal and vertical refresh rates/frequencies.

Horizontal frequency (digital)10 kHz - 120 kHz--29 kHz - 113 kHz
Vertical frequency (digital)48 Hz - 75 Hz60 Hz60 Hz49 Hz - 75 Hz

Power supply and consumption

Information about the power supply and consumption, energy efficiency class, etc.

110V100 V - 120 V100 V - 120 V100 V - 120 V100 V - 120 V
220V220 V - 240 V220 V - 240 V220 V - 240 V220 V - 240 V
Alternating current frequency50 Hz - 60 Hz50 Hz - 60 Hz50 Hz - 60 Hz50 Hz - 60 Hz
Electric current (A)2.5 A1 A1 A-
Power consumption (off)0.3 W0.3 W0.3 W0.3 W
Power consumption (sleep)0.3 W0.5 W0.5 W0.3 W
Power consumption (eco)20.6 W-16.4 W19 W
Power consumption (average)24 W21 W23 W24 W
Power consumption (maximum)-26 W30 W55 W

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.

Width567.7 mm
56.77 cm
22.3504 in
1.8625 ft
621.49 mm
62.149 cm
24.4681 in
2.039 ft
621.49 mm
62.149 cm
24.4681 in
2.039 ft
611.6 mm
61.16 cm
24.0787 in
2.0066 ft
Height332.1 mm
33.21 cm
13.0748 in
1.0896 ft
366.31 mm
36.631 cm
14.4217 in
1.2018 ft
366.31 mm
36.631 cm
14.4217 in
1.2018 ft
364.1 mm
36.41 cm
14.3346 in
1.1946 ft
Depth49.9 mm
4.99 cm
1.9646 in
0.1637 ft
52.34 mm
5.234 cm
2.0606 in
0.1717 ft
52.3 mm
5.23 cm
2.0591 in
0.1716 ft
43.6 mm
4.36 cm
1.7165 in
0.143 ft
Weight4.2 kg
9.26 lbs
4.5 kg
9.92 lbs
4.54 kg
10.01 lbs
4.57 kg
10.08 lbs
Width with stand567.7 mm
56.77 cm
22.3504 in
1.8625 ft
621.49 mm
62.149 cm
24.4681 in
2.039 ft
621.49 mm
62.149 cm
24.4681 in
2.039 ft
611.6 mm
61.16 cm
24.0787 in
2.0066 ft
Height with stand382.9 mm
38.29 cm
15.0748 in
1.2562 ft
458.11 mm
45.811 cm
18.0358 in
1.503 ft
408.3 mm
40.83 cm
16.0748 in
1.3396 ft
395.3 mm
39.53 cm
15.563 in
1.2969 ft
Depth with stand185 mm
18.5 cm
7.2835 in
0.607 ft
174.752 mm
17.4752 cm
6.88 in
0.5733 ft
186.944 mm
18.6944 cm
7.36 in
0.6133 ft
185 mm
18.5 cm
7.2835 in
0.607 ft
Weight with stand6.4 kg
14.11 lbs
5.88 kg
12.96 lbs
6.11 kg
13.47 lbs
6.87 kg
15.15 lbs
ColorsBlackBlackBlackBlack

Ergonomics

Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.

VESA mountYesYesYesYes
VESA interface100 x 100 mm100 x 100 mm100 x 100 mm100 x 100 mm
Removable standYesYesYesYes
Height adjustmentYesNoYesYes
Height adjustment range130 mm
13 cm
5.1181 in
0.4265 ft
-100 mm
10 cm
3.937 in
0.3281 ft
130 mm
13 cm
5.1181 in
0.4265 ft
Landscape/portrait pivotYesNoNoYes
Left pivot90 °--90 °
Right pivot90 °--90 °
Left/right swivelYesNoNoYes
Left swivel45 °--45 °
Right swivel45 °--45 °
Forward/backward tiltYesYesYesYes
Forward tilt5 °5 °5 °5 °
Backward tilt21 °21 °21 °21 °
-Stand width - 205 mm
Stand depth - 175 mm
Stand width - 248.8 mm
Stand depth - 187 mm
-

Audio

Information about the audio system - number and power of the built-in speakers, supported audio technologies.

Speakers--2 x 1 W-

Camera

Many contemporary desktop monitors and smart TV sets have built-in cameras.

CameraNoNoNoNo

Connectivity

Available connectivity ports, slots and interfaces.

Connectivity2 x USB 3.0 (Type-A; downstream)
1 x USB 3.0 (Type-A; downstream; BC 1.2 charging at 2A)
1 x USB 3.0 (Type-C; Gen 1; downstream; 15W)
1 x USB 3.0 (Type-C; upstream; 90W; DisplayPort)
1 x HDMI 2.0 (CEC)
1 x DisplayPort 1.4 (out)
1 x DisplayPort 1.4 (in)
1 x 3.5 mm Audio Out
1 x DisplayPort 1.2
1 x D-sub
1 x HDMI 1.4
1 x D-sub
2 x USB 2.0 (downstream)
2 x USB 3.0 (downstream)
1 x USB 3.0 (upstream)
1 x HDMI 1.4
1 x DisplayPort 1.2
High-bandwidth Digital Content Protection (HDCP) 2.2High-bandwidth Digital Content Protection (HDCP) 1.2High-bandwidth Digital Content Protection (HDCP) 1.2-

Features

Some additional functional features of the model.

FeaturesFlicker-free technology
Low Blue Light
Dell Display Manager
Flicker-free technology
Low Blue Light
PowerNap
Dell Display Manager
Flicker-free technology
Low Blue Light
PowerNap
Flicker-free technology
Low Blue Light

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licensesBFR-free
CEL
ENERGY STAR 6.0
EPEAT
Mercury-free
NFPA 99
PVC-free
RoHS Compliant
TCO Certified Displays
Energy Star
EPEAT
TCO Certified Display
Energy Star
EPEAT
TCO Certified Display
EnergyStar
EPEAT
TCO-certified
RoHS
BFR/PVC free
NFPA 99

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 temperature0 °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 humidity10 % - 80 %10 % - 80 %10 % - 80 %10 % - 80 %
Operating altitude5000 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 humidity5 % - 90 %5 % - 90 %5 % - 90 %10 % - 90 %
Storage altitude12192 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.

AccessoriesDisplayPort cable (U2520D)
HDMI cable (U2520DR)
USB Type-C to Type-C cable
USB Type-C to Type-A cable
DisplayPort cable
VGA cable (EMEA and Japan only)
HDMI cable
VGA cable (EMEA and Japan only)
DisplayPort cable
USB 3.0 upstream cable

Additional features

Information about other features.

Additional featuresSecurity lock slot
Anti-theft stand lock slot
Security lock slotSecurity lock slotAnti-theft stand lock slot
 Dell U2520DDell E2720HDell E2720HSDell P2720D