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Compare 5 products

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Dell P2421 Monitor
Dell P2421
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Dell U2415 Monitor
Dell U2415
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Dell U2417H Monitor
Dell U2417H
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Dell U2515H Monitor
Dell U2515H
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LG 20M37A Monitor
LG 20M37A
Available colors

General

Screen size24.1 in24.1 in23.8 in25.0 in19.5 in
Brightness300.0 cd/m²300.0 cd/m²250.0 cd/m²350.0 cd/m²200.0 cd/m²
Aspect ratio16:1016:1016:916:916:9

Design

Colour of productBlack
  • Black
  • Black,Silver
  • Black
  • White
  • Black
  • Black,Silver
Black
Panel designFlatFlatFlatFlat
N/A
Built-in USB hubyesyesyesyes
N/A
Built-in cameranononono
N/A
Touchscreen
N/A
nononono
Screen surface
N/A
MatteMatteMatteMatte
Built-in speakers
N/A
nononono

Dimensions

Height adjustment5.12 in4.53 in5.12 in4.53 in
N/A
Height (without stand)13.76 in13.8 in12.37 in15.67 in11.26 in
Height with stand19.72 in20.39 in19.11 in13.33 in14.06 in
Depth (with stand)6.54 in8.07 in21.17 in1.83 in6.61 in
Depth (without stand)1.74 in1.8 in1.78 in1.83 in
N/A
Width (with stand)20.91 in20.95 in21.17 in22.4 in18.23 in
Weight0.18 oz223.64 oz112.17 oz239.86 oz77.6 oz
Height (min-max)
N/A
402.9 - 517.9485 - 485.3< 512.5
N/A
Weight (without stand)
N/A
9.37 lb7.01 lb9.7 lb
N/A

Connectivity

DVI Portyesnononono
HDMIyesyesyesyesno
HDMI ports quantity1212
N/A
HDMI version1.4
N/A
1.41.4
N/A
Headphone outputnoyesnoyes
N/A
VGA (D-Sub) ports quantity1
N/A
N/A
N/A
1
DisplayPort version1.21.21.21.2
N/A
Analogue 3.5mm input
N/A
0
N/A
0
N/A
Number of USB 2.0 port
N/A
000
N/A
Number of USB 3.0 ports
N/A
555
N/A
USB connectors (total)
N/A
556
N/A
Component input (YPbPr/YCbCr)
N/A
nonono
N/A
Number of component inputs
N/A
000
N/A
Composite input
N/A
nonono
N/A
Number of composite inputs
N/A
000
N/A
DisplayPort
N/A
yesyesyesyes
Number of HDMI inputs
N/A
212
N/A
S-video input
N/A
nonono
N/A
Number of s-video inputs
N/A
000
N/A
Thunderbolt
N/A
nonono
N/A
USB for video
N/A
nonono
N/A
VGA in
N/A
nononoyes
Number of DisplayPort inputs
N/A
212
N/A
Number of DisplayPort outputs
N/A
111
N/A
MHL
N/A
yesyesyes
N/A
Type of DisplayPort connector
N/A
N/A
StandardStandard
N/A
HDCP
N/A
N/A
N/A
yesno
Ethernet LAN
N/A
N/A
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 1200
  • 1920 x 1200
1920x1200
1920 x 1080
2560x14401600x900
Refresh rate60.0 Hz60.0 Hz60.0 Hz60.0 Hz75.0 Hz
HD typeWUXGAFull HDFull HDWide Quad HD
N/A
Display number of colours16.7 million colours16.78 million colours16.78 million colours16.78 million colours16.78 million colours
Display technologyLCDLEDLEDLEDLED
BacklightLEDLED backlightLEDLED backlightLED
Panel typeIPSIPSIPSIPSTN
Response time8.0 ms6.0 ms8.0 ms8.0 ms5.0 ms
Viewing angle (horizontal)178.0 °178.0 °178.0 °178.0 °90.0 °
Viewing angle (vertical)178.0 °178.0 °178.0 °178.0 °65.0 °
Maximum resolution
N/A
1920 x 1200 px1920 x 1080 px2560 x 1440 px1600 x 900 px
Colour depth (per channel)
N/A
8.0 bit8.0 bit8.0 bit
N/A
Colour gamut (Adobe RGB)
N/A
91.0 %99.0 %99.0 %72.0 %
Colour gamut (NTSC)
N/A
72.0 %99.0 %72.0 %
N/A
Dynamic contrast ratio
N/A
2000000:12000000:12000000:15000000:1
Contrast ratio
N/A
1000:11000:11000:1600:1
Response time (GtG)
N/A
6.0 ms8.0 ms6.0 ms
N/A
Response time (BtW)
N/A
19.0 ms8.0 ms19.0 ms
N/A
Image delay
N/A
< 7.7
N/A
N/A
N/A
Picture-in-Picture (PIP)
N/A
nonono
N/A
Pixel size
N/A
0.01 in0.01 in0.01 in0.01 in

Features

Pivot functionyesyesyesyes
N/A
Swivelyesyesyesyes
N/A
Cable lock slotyesyesyesnono
Ascendable and submersible
N/A
yesyesyes
N/A
Tiltable
N/A
yesyesyesyes
Memory card reader
N/A
nonono
N/A
Flicker free
N/A
yesyesyes
N/A
Wi-Fi
N/A
N/A
N/A
N/A
no
Bluetooth
N/A
N/A
N/A
N/A
no
Plug and Play
N/A
N/A
N/A
N/A
yes

Compatibility

VESA mountyesyesyesyesyes
Type of VESA mount100x100mm100x100mm100x100mm100x100mm
N/A
3D support (3D-Ready)
N/A
nononono
Adaptive synchronization
N/A
nonono
N/A
HDR
N/A
nononono

Power

Energy efficiency classDA+AB
N/A
Power consumption (standby)0.2 W0.5 W0.28 W0.5 W0.3 W
Power consumption (typical)14.8 W23.0 W19.0 W35.0 W20.0 W
Operational power consumption
N/A
< 23< 1935 - 87
N/A
Connecting 9V/12V/14V
N/A
N/A
NoneNone
N/A

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