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Compare 5 products

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

Design

Colour of productBlack
  • Black
  • White
  • Black
  • Black,Silver
BlackSilver
Panel designFlatFlatFlatFlatFlat
Built-in USB hubyesyesyesyesyes
Built-in cameranonononono
Touchscreen
N/A
no
N/A
N/A
N/A
Screen surface
N/A
MatteMatteMatte
N/A
Built-in speakers
N/A
nono
N/A
N/A

Dimensions

Height adjustment5.91 in5.12 in5.12 in5.12 in4.72 in
Height (without stand)14.2 in14.0 in13.98 in14.02 in14.61 in
Height with stand21.07 in19.11 in20.48 in20.68 in20.92 in
Depth (with stand)7.28 in1.9 in7.09 in1.96 in7.48 in
Depth (without stand)2.05 in1.9 in
N/A
1.96 in1.71 in
Width (with stand)24.08 in24.07 in24.1 in24.07 in25.08 in
Weight0.24 oz0.26 oz210.23 oz0.23 oz0.22 oz
Height (min-max)
N/A
410.2 - 540.2
N/A
N/A
N/A
Weight (without stand)
N/A
9.92 lb
N/A
N/A
N/A

Connectivity

DVI Portnonononono
HDMIyesyes
N/A
yesyes
HDMI ports quantity11111
HDMI version2.01.4
N/A
2.02.0
Headphone outputnono
N/A
yesyes
DisplayPort version1.21.2a
N/A
1.41.2
Analogue 3.5mm input
N/A
0
N/A
N/A
N/A
Number of USB 2.0 port
N/A
0
N/A
N/A
N/A
Number of USB 3.0 ports
N/A
5
N/A
N/A
N/A
USB connectors (total)
N/A
5
N/A
N/A
N/A
Component input (YPbPr/YCbCr)
N/A
no
N/A
N/A
N/A
Number of component inputs
N/A
0
N/A
N/A
N/A
Composite input
N/A
no
N/A
N/A
N/A
Number of composite inputs
N/A
0
N/A
N/A
N/A
DisplayPort
N/A
yes
N/A
N/A
N/A
Number of HDMI inputs
N/A
1
N/A
N/A
N/A
S-video input
N/A
no
N/A
N/A
N/A
Number of s-video inputs
N/A
0
N/A
N/A
N/A
Thunderbolt
N/A
no
N/A
N/A
N/A
USB for video
N/A
no
N/A
N/A
N/A
VGA in
N/A
no
N/A
N/A
N/A
Number of DisplayPort inputs
N/A
2
N/A
N/A
N/A
Number of DisplayPort outputs
N/A
1
N/A
N/A
N/A
Type of DisplayPort connector
N/A
Standard
N/A
N/A
N/A
MHL
N/A
yes
N/A
N/A
N/A
HDCP
N/A
N/A
yesyes
N/A
Headphone outputs quantity
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
  • 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 Hz
HD type4K Ultra HDWide Quad HDQuad HD4K Ultra HD4K Ultra HD
Display number of colours1.07 billion colours16.78 million colours16.78 million colours1.073 billion colours
N/A
Colour gamut (Adobe RGB)99.0 %99.0 %99.0 %
N/A
N/A
Display technologyLCDLCDLEDLCDLCD
BacklightLEDLEDLED backlightLEDLED backlight
Panel typeIPSIPSIPSIPSIPS
Response time8.0 ms8.0 ms8.0 ms8.0 ms4.0 ms
Viewing angle (horizontal)178.0 °178.0 °178.0 °178.0 °178.0 °
Viewing angle (vertical)178.0 °178.0 °178.0 °178.0 °178.0 °
Maximum resolution
N/A
2560 x 1440 px
N/A
N/A
N/A
Colour depth (per channel)
N/A
8.0 bit
N/A
N/A
8.0 bit
Colour gamut (NTSC)
N/A
72.0 %
N/A
N/A
N/A
Contrast ratio
N/A
1000:1
N/A
N/A
N/A
Response time (GtG)
N/A
8.0 ms
N/A
N/A
N/A
Image delay
N/A
< 25
N/A
N/A
N/A
Picture-in-Picture (PIP)
N/A
no
N/A
N/A
N/A
Pixel size
N/A
0.01 in
N/A
N/A
N/A
Dynamic contrast ratio
N/A
N/A
N/A
N/A
10000000:1

Features

Pivot functionyesyesyesyesyes
Swivelyesyesyesyesyes
Cable lock slotyesyes
N/A
yesyes
Ascendable and submersible
N/A
yes
N/A
N/A
N/A
Tiltable
N/A
yesyes
N/A
N/A
Memory card reader
N/A
no
N/A
N/A
N/A
Plug and Play
N/A
yes
N/A
N/A
N/A

Compatibility

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

Eco-labelling

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

Power

Energy efficiency classFAFGF
Power consumption (standby)0.2 W0.5 W0.3 W0.3 W0.5 W
Power consumption (typical)21.8 W26.0 W30.0 W33.0 W45.0 W
Connecting 9V/12V/14V
N/A
None
N/A
N/A
N/A
Operational power consumption
N/A
23.7 - 74
N/A
N/A
N/A

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