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Compare 3 products

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Dell U2421HE Monitor
Dell U2421HE
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Dell U2518D Monitor
Dell U2518D
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MSI Optix MAG24C Monitor
MSI Optix MAG24C
Available colors
Editiorial reviews
4
4.0 out of 5
3 user ratings
5 stars
33 %
4 stars
66 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
5
4.0 out of 5
4 user ratings
5 stars
25 %
4 stars
75 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
4
3.8 out of 5
3 user ratings
5 stars
0 %
4 stars
66 %
3 stars
33 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
User rating
39
4.5 out of 5
39 user ratings
5 stars
58 %
4 stars
30 %
3 stars
10 %
2 stars
0 %
1 stars
0 %
39
4.1 out of 5
39 user ratings
5 stars
41 %
4 stars
41 %
3 stars
10 %
2 stars
5 %
1 stars
2 %
40
4.1 out of 5
40 user ratings
5 stars
32 %
4 stars
47 %
3 stars
20 %
2 stars
0 %
1 stars
0 %

General

Screen size23.8 in25.0 in23.6 in
Brightness250.0 cd/m²350.0 cd/m²250.0 cd/m²
Aspect ratio16:916:916:9

Design

Colour of productBlack,SilverBlack
  • Black
  • Black,Red
Panel designFlatFlatCurved
Built-in USB hubnoyesno
Built-in cameranonono
Touchscreen
N/A
nono
Screen surface
N/A
MatteMatte
Built-in speakers
N/A
nono

Dimensions

Height adjustment5.12 in5.12 in2.56 in
Height (without stand)12.35 in13.05 in8.09 in
Height with stand18.83 in20.76 in
N/A
Depth (with stand)6.5 in1.94 in15.33 in
Depth (without stand)1.54 in1.94 in
N/A
Width (with stand)21.2 in22.35 in21.13 in
Weight0.17 oz0.22 oz172.49 oz
Height (min-max)
N/A
< 527.2< 389.31
Weight (without stand)
N/A
7.54 lb
N/A

Connectivity

DVI Portnonoyes
HDMIyesyesyes
HDMI ports quantity111
HDMI version1.42.01.4
Headphone outputyesnoyes
DisplayPort version1.41.21.2
Number of USB 3.0 ports
N/A
5
N/A
USB connectors (total)
N/A
5
N/A
Component input (YPbPr/YCbCr)
N/A
nono
Composite input
N/A
nono
Number of composite inputs
N/A
0
N/A
DisplayPort
N/A
yesyes
Number of HDMI inputs
N/A
11
S-video input
N/A
nono
Number of s-video inputs
N/A
0
N/A
Thunderbolt
N/A
nono
USB for video
N/A
nono
VGA in
N/A
nono
Number of DisplayPort inputs
N/A
11
Number of DisplayPort outputs
N/A
2
N/A
Type of DisplayPort connector
N/A
StandardStandard
MHL
N/A
no
N/A
DVI-D ports quantity
N/A
N/A
1
Headphone outputs quantity
N/A
N/A
1
Ethernet LAN
N/A
N/A
no

Image properties

Supported graphics resolutions
  • 640 x 480
  • 720 x 400
  • 800 x 600
  • 1024 x 768
  • 1152 x 864
  • 1280 x 1024
  • 1600 x 900
  • 1920 x 1080
2560 x 14401920x1080
Refresh rate60.0 Hz60.0 Hz144.0 Hz
HD typeFull HDQuad HDFull HD
Display number of colours16.78 million colours16.78 million colours16.78 million colours
Display technologyLCDLCDLED
BacklightLEDLEDLED
Panel typeIPSIPSVA
Response time8.0 ms8.0 ms1.0 ms
Viewing angle (horizontal)178.0 °178.0 °178.0 °
Viewing angle (vertical)178.0 °178.0 °178.0 °
Maximum resolution
N/A
2560 x 1440 px1920 x 1080 px
Colour depth (per channel)
N/A
8.0 bit8.0 bit
Colour gamut (Adobe RGB)
N/A
99.0 %
N/A
Colour gamut (NTSC)
N/A
99.0 %85.0 %
Contrast ratio
N/A
1000:13000:1
Response time (GtG)
N/A
5.0 ms4.0 ms
Response time (BtW)
N/A
8.0 ms1.0 ms
Picture-in-Picture (PIP)
N/A
nono
Pixel size
N/A
0.01 in0.01 in
Dynamic contrast ratio
N/A
N/A
100000000:1

Features

Pivot functionyesyesno
Swivelyesyesyes
Cable lock slotyesyesyes
Ascendable and submersible
N/A
yesno
Tiltable
N/A
yesyes
Memory card reader
N/A
nono
Flicker free
N/A
yesyes
Plug and Play
N/A
yes
N/A

Compatibility

VESA mountyesyesyes
3D support (3D-Ready)
N/A
nono
Adaptive synchronization
N/A
noyes
HDR
N/A
yesno
Type of VESA mount
N/A
100x100mm75x75mm
Sync technology
N/A
N/A
AMD Freesync

Power

Energy efficiency classDBB
Power consumption (standby)0.2 W0.5 W0.33 W
Power consumption (typical)12.9 W30.0 W48.0 W
Connecting 9V/12V/14V
N/A
NoneNone
Operational power consumption
N/A
28 - 110< 48

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