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Compare 6 products

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Dell P2720D Monitor
Dell P2720D
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Dell P2721Q Monitor
Dell P2721Q
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Dell U2717D Monitor
Dell U2717D
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Dell U2719D Monitor
Dell U2719D
Close
Dell U2720Q Monitor
Dell U2720Q
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HP U28 Monitor
HP U28
Available colors

General

Screen size27.0 in27.0 in27.0 in27.0 in27.0 in28.0 in
Brightness350.0 cd/m²350.0 cd/m²350.0 cd/m²350.0 cd/m²350.0 cd/m²400.0 cd/m²
Aspect ratio16:916:916:916:916:916:9

Design

Colour of productBlackBlack
  • Black
  • White
  • Black
  • Black,Silver
BlackSilver
Panel designFlatFlatFlatFlatFlatFlat
Built-in USB hubyesyesyesyesyesyes
Built-in cameranononononono
Touchscreen
N/A
N/A
no
N/A
N/A
N/A
Screen surface
N/A
N/A
MatteMatteMatte
N/A
Built-in speakers
N/A
N/A
nono
N/A
N/A

Dimensions

Height adjustment5.12 in5.91 in5.12 in5.12 in5.12 in4.72 in
Height (without stand)14.33 in14.2 in14.0 in13.98 in14.02 in14.61 in
Height with stand20.68 in21.07 in19.11 in20.48 in20.68 in20.92 in
Depth (with stand)1.72 in7.28 in1.9 in7.09 in1.96 in7.48 in
Width (with stand)24.08 in24.08 in24.07 in24.1 in24.07 in25.08 in
Weight0.24 oz0.24 oz0.26 oz210.23 oz0.23 oz0.22 oz
Depth (without stand)
N/A
2.05 in1.9 in
N/A
1.96 in1.71 in
Height (min-max)
N/A
N/A
410.2 - 540.2
N/A
N/A
N/A
Weight (without stand)
N/A
N/A
9.92 lb
N/A
N/A
N/A

Connectivity

DVI Portnononononono
HDMIyesyesyes
N/A
yesyes
HDMI ports quantity111111
HDMI version1.42.01.4
N/A
2.02.0
Headphone outputnonono
N/A
yesyes
DisplayPort version1.21.21.2a
N/A
1.41.2
Analogue 3.5mm input
N/A
N/A
0
N/A
N/A
N/A
Number of USB 2.0 port
N/A
N/A
0
N/A
N/A
N/A
Number of USB 3.0 ports
N/A
N/A
5
N/A
N/A
N/A
USB connectors (total)
N/A
N/A
5
N/A
N/A
N/A
Component input (YPbPr/YCbCr)
N/A
N/A
no
N/A
N/A
N/A
Number of component inputs
N/A
N/A
0
N/A
N/A
N/A
Composite input
N/A
N/A
no
N/A
N/A
N/A
Number of composite inputs
N/A
N/A
0
N/A
N/A
N/A
DisplayPort
N/A
N/A
yes
N/A
N/A
N/A
Number of HDMI inputs
N/A
N/A
1
N/A
N/A
N/A
S-video input
N/A
N/A
no
N/A
N/A
N/A
Number of s-video inputs
N/A
N/A
0
N/A
N/A
N/A
Thunderbolt
N/A
N/A
no
N/A
N/A
N/A
USB for video
N/A
N/A
no
N/A
N/A
N/A
VGA in
N/A
N/A
no
N/A
N/A
N/A
Number of DisplayPort inputs
N/A
N/A
2
N/A
N/A
N/A
Number of DisplayPort outputs
N/A
N/A
1
N/A
N/A
N/A
Type of DisplayPort connector
N/A
N/A
Standard
N/A
N/A
N/A
MHL
N/A
N/A
yes
N/A
N/A
N/A
HDCP
N/A
N/A
N/A
yesyes
N/A
Headphone outputs quantity
N/A
N/A
N/A
N/A
11

Image properties

Supported graphics resolutions
  • 640 x 480
  • 720 x 400
  • 800 x 600
  • 1024 x 768
  • 1152 x 864
  • 1280 x 1024
  • 1280 x 768
  • 1600 x 1200
  • 1680 x 1050
  • 1920 x 1080
  • 1920 x 1200
  • 2048 x 1080
  • 2560 x 1440
  • 640 x 480
  • 720 x 400
  • 800 x 600
  • 1024 x 768
  • 1152 x 864
  • 1280 x 1024
  • 1920 x 1080
  • 2048 x 1280
  • 2560 x 1440
  • 3840 x 2160
2560 x 14402560x1440
  • 640 x 480
  • 720 x 400
  • 800 x 600
  • 1024 x 768
  • 1152 x 864
  • 1280 x 1024
  • 1680 x 1050
  • 1920 x 1080
  • 1920 x 1200
  • 2048 x 1152
  • 2048 x 1280
  • 2560 x 1440
  • 3840 x 2160
  • 640 x 480
  • 720 x 400
  • 800 x 600
  • 1024 x 768
  • 1280 x 1024
  • 1440 x 900
  • 1440 x 900
  • 1600 x 900
  • 1920 x 1080
  • 2560 x 1440
  • 3840 x 2160
Refresh rate60.0 Hz60.0 Hz60.0 Hz60.0 Hz60.0 Hz60.0 Hz
HD typeQuad HD4K Ultra HDWide Quad HDQuad HD4K Ultra HD4K Ultra HD
Display number of colours1.67 billion colors1.07 billion colours16.78 million colours16.78 million colours1.073 billion colours
N/A
Colour gamut (Adobe RGB)99.0 %99.0 %99.0 %99.0 %
N/A
N/A
Display technologyLCDLCDLCDLEDLCDLCD
BacklightW-LEDLEDLEDLED backlightLEDLED backlight
Panel typeIPSIPSIPSIPSIPSIPS
Response time8.0 ms8.0 ms8.0 ms8.0 ms8.0 ms4.0 ms
Viewing angle (horizontal)178.0 °178.0 °178.0 °178.0 °178.0 °178.0 °
Viewing angle (vertical)178.0 °178.0 °178.0 °178.0 °178.0 °178.0 °
Maximum resolution
N/A
N/A
2560 x 1440 px
N/A
N/A
N/A
Colour depth (per channel)
N/A
N/A
8.0 bit
N/A
N/A
8.0 bit
Colour gamut (NTSC)
N/A
N/A
72.0 %
N/A
N/A
N/A
Contrast ratio
N/A
N/A
1000:1
N/A
N/A
N/A
Response time (GtG)
N/A
N/A
8.0 ms
N/A
N/A
N/A
Image delay
N/A
N/A
< 25
N/A
N/A
N/A
Picture-in-Picture (PIP)
N/A
N/A
no
N/A
N/A
N/A
Pixel size
N/A
N/A
0.01 in
N/A
N/A
N/A
Dynamic contrast ratio
N/A
N/A
N/A
N/A
N/A
10000000:1

Features

Pivot functionyesyesyesyesyesyes
Swivelyesyesyesyesyesyes
Cable lock slotyesyesyes
N/A
yesyes
Flicker freeyes
N/A
N/A
N/A
N/A
N/A
Plug and Playyes
N/A
yes
N/A
N/A
N/A
Ascendable and submersible
N/A
N/A
yes
N/A
N/A
N/A
Tiltable
N/A
N/A
yesyes
N/A
N/A
Memory card reader
N/A
N/A
no
N/A
N/A
N/A

Compatibility

3D support (3D-Ready)no
N/A
nonono
N/A
VESA mountyesyesyesyesyesyes
Adaptive synchronization
N/A
N/A
no
N/A
N/A
N/A
HDR
N/A
N/A
no
N/A
N/A
N/A
Type of VESA mount
N/A
N/A
100x100mm100x100mm100x100mm100x100mm

Eco-labelling

EnergyStaryesyesyesyesyesyes
EPEAT
N/A
N/A
GoldGold
N/A
N/A
TCO-labelling
N/A
N/A
TCO Displays 7.0
N/A
N/A
N/A

Power

Energy efficiency classEFAFGF
Power consumption (standby)0.3 W0.2 W0.5 W0.3 W0.3 W0.5 W
Power consumption (typical)24.0 W21.8 W26.0 W30.0 W33.0 W45.0 W
Connecting 9V/12V/14V
N/A
N/A
None
N/A
N/A
N/A
Operational power consumption
N/A
N/A
23.7 - 74
N/A
N/A
N/A

Often compared with Dell P2720D

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Often compared with HP U28

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