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Compare 5 products

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Dell P2721Q Monitor
Dell P2721Q
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Dell U2719D Monitor
Dell U2719D
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Dell U2720Q Monitor
Dell U2720Q
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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/m²350.0 cd/m²
N/A
400.0 cd/m²
Aspect ratio16:916:916:916:916:9

Design

Colour of productBlack
  • Black
  • Black,Silver
BlackSilverSilver
Panel designFlatFlatFlatFlatFlat
Built-in USB hubyesyesyesyesyes
Built-in cameranonononono
Screen surface
N/A
MatteMatte
N/A
N/A
Built-in speakers
N/A
no
N/A
N/A
N/A

Dimensions

Height adjustment5.91 in5.12 in5.12 in5.91 in4.72 in
Height (without stand)14.2 in13.98 in14.02 in13.9 in14.61 in
Height with stand21.07 in20.48 in20.68 in15.16 in20.92 in
Depth (with stand)7.28 in7.09 in1.96 in7.28 in7.48 in
Depth (without stand)2.05 in
N/A
1.96 in2.14 in1.71 in
Width (with stand)24.08 in24.1 in24.07 in24.07 in25.08 in
Weight0.24 oz210.23 oz0.23 oz0.22 oz0.22 oz

Connectivity

DVI Portnonono
N/A
no
HDMIyes
N/A
yesyesyes
HDMI ports quantity11111
HDMI version2.0
N/A
2.02.02.0
Headphone outputno
N/A
yesyesyes
DisplayPort version1.2
N/A
1.4
N/A
1.2
HDCP
N/A
yesyesyes
N/A
Headphone outputs quantity
N/A
N/A
111

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
2560x1440
  • 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
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 HDQuad HD4K Ultra HD4K Ultra HD4K Ultra HD
Display number of colours1.07 billion colours16.78 million colours1.073 billion colours1.07 billion colours
N/A
Colour gamut (Adobe RGB)99.0 %99.0 %
N/A
N/A
N/A
Display technologyLCDLEDLCDLCDLCD
BacklightLEDLED backlightLEDLEDLED 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 slotyes
N/A
yesyesyes
Tiltable
N/A
yes
N/A
N/A
N/A
Flicker free
N/A
N/A
N/A
yes
N/A
Plug and Play
N/A
N/A
N/A
yes
N/A

Compatibility

VESA mountyesyesyesyesyes
3D support (3D-Ready)
N/A
nono
N/A
N/A
Type of VESA mount
N/A
100x100mm100x100mm
N/A
100x100mm

Power

Energy efficiency classFFG
N/A
F
Power consumption (standby)0.2 W0.3 W0.3 W0.3 W0.5 W
Power consumption (typical)21.8 W30.0 W33.0 W25.9 W45.0 W

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