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Compare 3 products

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AOC 24B2XDM Monitor
AOC 24B2XDM
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Dell U2311H Monitor
Dell U2311H
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Dell U2312HM Monitor
Dell U2312HM
Available colors
Editiorial reviews
4
4 editorial reviews
Considering its price, no one has an excuse any more to buy a second-rate TN panel. While it hasn't been given the same attention to detail in colour accuracy as the 2209WA or the U2711, the U2311H makes for a compelling buy if you want affordable 1080p.Read more
We check out one of the recent IPS based screens to the Dell line up, the U2311H. What do we think of it?Read more
Read editorial reviews
5
4.3 out of 5
3 user ratings
5 stars
66 %
4 stars
0 %
3 stars
33 %
2 stars
0 %
1 stars
0 %
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 %
42
4.1 out of 5
42 user ratings
5 stars
38 %
4 stars
42 %
3 stars
14 %
2 stars
4 %
1 stars
0 %
37
4.1 out of 5
37 user ratings
5 stars
35 %
4 stars
40 %
3 stars
24 %
2 stars
0 %
1 stars
0 %

General

Screen size23.8 in23.0 in21.5 in
Brightness250.0 cd/m²300.0 cd/m²300.0 cd/m²
Aspect ratio16:916:916:9

Design

Colour of productBlackBlack
  • Black
  • Silver
Panel designFlatFlatFlat
Built-in USB hubnoyesyes
Built-in cameranonono
Screen surfaceMatteMatteMatte
Touchscreen
N/A
nono
Built-in speakers
N/A
nono

Dimensions

Height (without stand)12.64 in14.02 in11.99 in
Height with stand16.47 in14.02 in19.41 in
Depth (with stand)6.73 in7.25 in7.22 in
Depth (without stand)1.48 in2.56 in2.34 in
Width (with stand)21.24 in21.65 in21.51 in
Weight0.1 oz227.52 oz104.41 oz
Height adjustment
N/A
3.94 in5.04 in
Height (min-max)
N/A
356.16 - 456.16365 - 493
Weight (without stand)
N/A
10.34 lb6.53 lb

Connectivity

DVI Portyesyesyes
HDMInonono
Headphone outputnonono
VGA (D-Sub) ports quantity111
Number of USB 2.0 port
N/A
44
USB connectors (total)
N/A
44
Component input (YPbPr/YCbCr)
N/A
nono
Composite input
N/A
nono
DisplayPort
N/A
yesyes
DVI-D ports quantity
N/A
11
HDCP
N/A
yesno
S-video input
N/A
nono
Thunderbolt
N/A
nono
USB for video
N/A
nono
VGA in
N/A
yesyes
Number of DisplayPort inputs
N/A
11
DisplayPort version
N/A
1.1a1.2
Type of DisplayPort connector
N/A
StandardStandard
Analogue 3.5mm input
N/A
N/A
0
Number of USB 3.0 ports
N/A
N/A
0
Number of component inputs
N/A
N/A
0
Number of composite inputs
N/A
N/A
0
Number of s-video inputs
N/A
N/A
0
Number of DisplayPort outputs
N/A
N/A
0
Ethernet LAN
N/A
N/A
no

Image properties

Supported graphics resolutions
  • 1280 x 720
  • 1920 x 1080
1920x10801920x1080
Refresh rate75.0 Hz60.0 Hz60.0 Hz
HD typeFull HDFull HDFull HD
Display number of colours16.78 million colours16.78 million colours16.78 million colours
Colour depth (per channel)8.0 bit6.0 bit6.0 bit
Colour gamut (NTSC)72.0 %72.0 %73.0 %
Dynamic contrast ratio20000000:110000:12000000:1
Display technologyLCDLCDLCD
BacklightW-LEDCCFLLED backlight
Panel typeVAIPSIPS
Response time4.0 ms8.0 ms8.0 ms
Viewing angle (horizontal)178.0 °178.0 °178.0 °
Viewing angle (vertical)178.0 °178.0 °178.0 °
Maximum resolution
N/A
1920 x 1080 px1920 x 1080 px
Colour gamut (Adobe RGB)
N/A
82.0 %76.0 %
Contrast ratio
N/A
1000:11000:1
Response time (GtG)
N/A
8.0 ms8.0 ms
Picture-in-Picture (PIP)
N/A
nono
Pixel size
N/A
0.01 in0.01 in

Features

Cable lock slotyesyesno
Flicker freeyes
N/A
N/A
Ascendable and submersible
N/A
yesyes
Pivot function
N/A
yesyes
Swivel
N/A
yesyes
Tiltable
N/A
yesyes
Memory card reader
N/A
nono
Wi-Fi
N/A
N/A
no
Bluetooth
N/A
N/A
no
Plug and Play
N/A
N/A
yes

Compatibility

VESA mountyesyesno
Type of VESA mount100x100mm100x100mm100x100mm
3D support (3D-Ready)
N/A
nono
Adaptive synchronization
N/A
nono
HDR
N/A
nono

Power

Energy efficiency classF
N/A
N/A
Power consumption (standby)0.3 W1.0 W0.5 W
Power consumption (typical)21.0 W33.0 W30.0 W
Connecting 9V/12V/14V
N/A
NoneNone
Operational power consumption
N/A
N/A
30 - 70

Often compared with Dell U2311H

Often compared with Dell U2312HM