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Compare 3 products

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Dell U2421E Monitor
Dell U2421E
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Dell U2421HE Monitor
Dell U2421HE
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Iiyama ProLite TF1015MC-B1 Monitor
Iiyama ProLite TF1015MC-B1
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
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
User rating
26
4.1 out of 5
26 user ratings
5 stars
30 %
4 stars
50 %
3 stars
19 %
2 stars
0 %
1 stars
0 %
39
4.5 out of 5
39 user ratings
5 stars
58 %
4 stars
30 %
3 stars
10 %
2 stars
0 %
1 stars
0 %
2
4.5 out of 5
2 user ratings
5 stars
50 %
4 stars
50 %
3 stars
0 %
2 stars
0 %
1 stars
0 %

General

Screen size24.1 in23.8 in10.1 in
Brightness350.0 cd/m²250.0 cd/m²450.0 cd/m²
Aspect ratio16:1016:916:10

Design

Colour of productBlack,SilverBlack,SilverBlack
Panel designFlatFlatFlat
Built-in USB hubyesno
N/A
Built-in cameranono
N/A
Touchscreen
N/A
N/A
yes

Dimensions

Height adjustment5.91 in5.12 in
N/A
Height (without stand)13.36 in12.35 in
N/A
Height with stand20.11 in18.83 in
N/A
Depth (with stand)6.81 in6.5 in
N/A
Depth (without stand)1.97 in1.54 in
N/A
Width (with stand)20.9 in21.2 in8.35 in
Weight0.2 oz0.17 oz
N/A

Connectivity

DVI Portnono
N/A
HDMIyesyesyes
HDMI ports quantity11
N/A
HDMI version1.41.4
N/A
Headphone outputyesyes
N/A
Headphone outputs quantity1
N/A
N/A
DisplayPort version1.41.4
N/A
DisplayPort
N/A
N/A
yes
Number of HDMI inputs
N/A
N/A
1
VGA in
N/A
N/A
yes

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
  • 1920 x 1200
  • 640 x 480
  • 720 x 400
  • 800 x 600
  • 1024 x 768
  • 1152 x 864
  • 1280 x 1024
  • 1600 x 900
  • 1920 x 1080
N/A
Refresh rate60.0 Hz60.0 Hz60.0 Hz
HD typeWUXGAFull HD
N/A
Display number of colours16.78 million colours16.78 million colours
N/A
Colour gamut (Adobe RGB)99.0 %
N/A
N/A
Display technologyLCDLCDLCD
BacklightLEDLEDLED
Panel typeIPSIPSVA
Response time8.0 ms8.0 ms
N/A
Viewing angle (horizontal)178.0 °178.0 °170.0 °
Viewing angle (vertical)178.0 °178.0 °170.0 °
Maximum resolution
N/A
N/A
1280 x 800 px
Colour depth (per channel)
N/A
N/A
8.0 bit
Contrast ratio
N/A
N/A
1300:1
Pixel size
N/A
N/A
0.01 in

Compatibility

VESA mountyesyesyes

Power

Energy efficiency classED
N/A
Power consumption (standby)0.2 W0.2 W1.2 W
Power consumption (typical)17.2 W12.9 W
N/A
Connecting 9V/12V/14V
N/A
N/A
12V

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