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Compare 5 products

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Dell P2721Q Monitor
Dell P2721Q
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Dell U2720Q Monitor
Dell U2720Q
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Dell U2722D Monitor
Dell U2722D
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Dell U2723QE Monitor
Dell U2723QE
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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/m²300.0 cd/m²
N/A
400.0 cd/m²
Aspect ratio16:916:916:916:916:9

Design

Colour of productBlackBlackBlack,SilverSilverSilver
Panel designFlatFlatFlatFlatFlat
Built-in USB hubyesyesyesyesyes
Built-in cameranonononono
Screen surface
N/A
Matte
N/A
N/A
N/A

Dimensions

Height adjustment5.91 in5.12 in5.91 in5.91 in4.72 in
Height (without stand)14.2 in14.02 in13.86 in13.9 in14.61 in
Height with stand21.07 in20.68 in21.07 in15.16 in20.92 in
Depth (with stand)7.28 in1.96 in7.28 in7.28 in7.48 in
Depth (without stand)2.05 in1.96 in1.95 in2.14 in1.71 in
Width (with stand)24.08 in24.07 in24.07 in24.07 in25.08 in
Weight0.24 oz0.23 oz0.22 oz0.22 oz0.22 oz

Connectivity

DVI Portnonono
N/A
no
HDMIyesyesyesyesyes
HDMI ports quantity11111
HDMI version2.02.01.42.02.0
Headphone outputnoyes
N/A
yesyes
DisplayPort version1.21.41.4
N/A
1.2
HDCP
N/A
yes
N/A
yes
N/A
Headphone outputs quantity
N/A
1
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
  • 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
2560 x 1440
N/A
  • 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 HD4K Ultra HDQuad HD4K Ultra HD4K Ultra HD
Display number of colours1.07 billion colours1.073 billion colours1.07 billion colours1.07 billion colours
N/A
Colour gamut (Adobe RGB)99.0 %
N/A
100.0 %
N/A
N/A
Display technologyLCDLCDLCDLCDLCD
BacklightLEDLEDLEDLEDLED 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
N/A
N/A
3840 x 2160 px
N/A
Colour depth (per channel)
N/A
N/A
N/A
N/A
8.0 bit
Dynamic contrast ratio
N/A
N/A
N/A
N/A
10000000:1

Features

Pivot functionyesyesyesyesyes
Swivelyesyesyesyesyes
Cable lock slotyesyesyesyesyes
Plug and Play
N/A
N/A
yesyes
N/A
Flicker free
N/A
N/A
N/A
yes
N/A

Compatibility

VESA mountyesyesyesyesyes
3D support (3D-Ready)
N/A
no
N/A
N/A
N/A
Type of VESA mount
N/A
100x100mm100x100mm
N/A
100x100mm

Power

Energy efficiency classFGE
N/A
F
Power consumption (standby)0.2 W0.3 W0.3 W0.3 W0.5 W
Power consumption (typical)21.8 W33.0 W
N/A
25.9 W45.0 W

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