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AOC 24B2XDM Monitor
AOC 24B2XDM
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Dell P2721Q Monitor
Dell P2721Q
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HP U28 Monitor
HP U28
Available colors
Editiorial reviews
6
4.0 out of 5
5 user ratings
5 stars
0 %
4 stars
100 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
3
3 editorial reviews
The best 4k HDR monitor we've tested is the Samsung LS32BG75NNXGO. It's a high-end 32-inch 4k monitor that's one of the few on the market with Mini LED backlighting.Read more
Creative-level accuracyRead more
HP's U28 4K HDR Monitor offers high resolution and pixel density, masters the sRGB color space, and renders nuanced HDR content. It's a fair-value pick for prosumer content creators and others seeking a midsize panel with good color chops.Read more
Read editorial reviews
User rating
26
4.2 out of 5
26 user ratings
5 stars
38 %
4 stars
46 %
3 stars
15 %
2 stars
0 %
1 stars
0 %
36
4.2 out of 5
36 user ratings
5 stars
36 %
4 stars
47 %
3 stars
16 %
2 stars
0 %
1 stars
0 %
27
4.1 out of 5
27 user ratings
5 stars
29 %
4 stars
51 %
3 stars
18 %
2 stars
0 %
1 stars
0 %

General

Screen size23.8 in27.0 in28.0 in
Brightness250.0 cd/m²350.0 cd/m²400.0 cd/m²
Aspect ratio16:916:916:9

Design

Colour of productBlackBlackSilver
Panel designFlatFlatFlat
Built-in USB hubnoyesyes
Built-in cameranonono
Screen surfaceMatte
N/A
N/A

Dimensions

Height (without stand)12.64 in14.2 in14.61 in
Height with stand16.47 in21.07 in20.92 in
Depth (with stand)6.73 in7.28 in7.48 in
Depth (without stand)1.48 in2.05 in1.71 in
Width (with stand)21.24 in24.08 in25.08 in
Weight0.1 oz0.24 oz0.22 oz
Height adjustment
N/A
5.91 in4.72 in

Connectivity

DVI Portyesnono
HDMInoyesyes
Headphone outputnonoyes
VGA (D-Sub) ports quantity1
N/A
N/A
HDMI ports quantity
N/A
11
HDMI version
N/A
2.02.0
DisplayPort version
N/A
1.21.2
Headphone outputs quantity
N/A
N/A
1

Image properties

Supported graphics resolutions
  • 1280 x 720
  • 1920 x 1080
  • 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
  • 1280 x 1024
  • 1440 x 900
  • 1440 x 900
  • 1600 x 900
  • 1920 x 1080
  • 2560 x 1440
  • 3840 x 2160
Refresh rate75.0 Hz60.0 Hz60.0 Hz
HD typeFull HD4K Ultra HD4K Ultra HD
Display number of colours16.78 million colours1.07 billion colours
N/A
Colour depth (per channel)8.0 bit
N/A
8.0 bit
Colour gamut (NTSC)72.0 %
N/A
N/A
Dynamic contrast ratio20000000:1
N/A
10000000:1
Display technologyLCDLCDLCD
BacklightW-LEDLEDLED backlight
Panel typeVAIPSIPS
Response time4.0 ms8.0 ms4.0 ms
Viewing angle (horizontal)178.0 °178.0 °178.0 °
Viewing angle (vertical)178.0 °178.0 °178.0 °
Colour gamut (Adobe RGB)
N/A
99.0 %
N/A

Features

Cable lock slotyesyesyes
Flicker freeyes
N/A
N/A
Pivot function
N/A
yesyes
Swivel
N/A
yesyes

Compatibility

VESA mountyesyesyes
Type of VESA mount100x100mm
N/A
100x100mm

Power

Energy efficiency classFFF
Power consumption (standby)0.3 W0.2 W0.5 W
Power consumption (typical)21.0 W21.8 W45.0 W

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Often compared with HP U28

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