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Compare 4 products

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Dell P2421D Monitor
Dell P2421D
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Dell U2415 Monitor
Dell U2415
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Dell U2718Q Monitor
Dell U2718Q
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Lenovo ThinkVision P24h-10 Monitor
Lenovo ThinkVision P24h-10
Available colors
Editiorial reviews
1
1 editorial reviews
The Dell S2421H is a basic 24 inch monitor with a 1080p panel and very few additional features. It's part of Dell's S Series of monitors, which are mainly entry-...Read more
Read editorial reviews
5
3.3 out of 5
3 user ratings
5 stars
0 %
4 stars
66 %
3 stars
0 %
2 stars
33 %
1 stars
0 %
Read editorial reviews
9
4.1 out of 5
4 user ratings
5 stars
25 %
4 stars
75 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
User rating
39
4.1 out of 5
39 user ratings
5 stars
41 %
4 stars
25 %
3 stars
33 %
2 stars
0 %
1 stars
0 %
56
3.8 out of 5
56 user ratings
5 stars
32 %
4 stars
30 %
3 stars
23 %
2 stars
14 %
1 stars
0 %
41
4.2 out of 5
41 user ratings
5 stars
39 %
4 stars
46 %
3 stars
12 %
2 stars
2 %
1 stars
0 %
43
4.2 out of 5
43 user ratings
5 stars
32 %
4 stars
51 %
3 stars
16 %
2 stars
0 %
1 stars
0 %

General

Screen size23.8 in24.1 in27.0 in23.8 in
Brightness300.0 cd/m²300.0 cd/m²350.0 cd/m²300.0 cd/m²
Aspect ratio16:916:1016:916:9

Design

Colour of productBlack
  • Black
  • Black,Silver
Black,SilverBlack
Panel designFlatFlatFlatFlat
Built-in USB hubyesyesyesyes
Built-in cameranononono
Touchscreen
N/A
nonono
Screen surface
N/A
MatteMatteMatte
Built-in speakers
N/A
nonono

Dimensions

Height adjustment5.12 in4.53 in5.12 in4.33 in
Height (without stand)12.68 in13.8 in14.02 in1.28 in
Height with stand14.02 in20.39 in21.27 in14.7 in
Depth (with stand)6.54 in8.07 in1.93 in10.31 in
Depth (without stand)6.54 in1.8 in1.93 in1.83 in
Width (with stand)21.17 in20.95 in24.07 in21.27 in
Weight0.12 oz223.64 oz0.22 oz200.71 oz
Height (min-max)
N/A
402.9 - 517.9540.2 - 670.2< 373.4
Weight (without stand)
N/A
9.37 lb8.16 lb
N/A

Connectivity

DVI Portnononono
HDCPyes
N/A
yesyes
HDMIyesyesyesyes
HDMI ports quantity1212
Headphone outputnoyesnoyes
DisplayPort version1.21.21.21.2
Analogue 3.5mm input
N/A
010
Number of USB 2.0 port
N/A
000
Number of USB 3.0 ports
N/A
544
USB connectors (total)
N/A
544
Component input (YPbPr/YCbCr)
N/A
nonono
Number of component inputs
N/A
000
Composite input
N/A
nonono
Number of composite inputs
N/A
000
DisplayPort
N/A
yesyesyes
Number of HDMI inputs
N/A
212
S-video input
N/A
nonono
Number of s-video inputs
N/A
000
Thunderbolt
N/A
nono
N/A
USB for video
N/A
nonoyes
VGA in
N/A
nonono
Number of DisplayPort inputs
N/A
221
Number of DisplayPort outputs
N/A
101
MHL
N/A
yesnono
HDMI version
N/A
N/A
2.01.4
Type of DisplayPort connector
N/A
N/A
Standard
N/A
Type of USB connector
N/A
N/A
N/A
Type-C

Image properties

Supported graphics resolutions2560 x 14401920x12003840 x 2160
  • 1024x768
  • 1280x1024
  • 1366x768
  • 1440x900
  • 1680x1050
  • 1920x1080
  • 1920x1200
  • 2560x1440
  • 640x480
  • 720x400
  • 800x600
Refresh rate60.0 Hz60.0 Hz60.0 Hz76.0 Hz
HD typeQuad HDFull HD4K Ultra HDQuad HD
Display number of colours16.78 million colours16.78 million colours1.073 billion colours
N/A
Display technologyLEDLEDLCDLED
BacklightLEDLED backlightLEDWLED
Panel typeIPSIPSIPSIPS
Response time8.0 ms6.0 ms8.0 ms4.0 ms
Viewing angle (horizontal)178.0 °178.0 °178.0 °178.0 °
Viewing angle (vertical)178.0 °178.0 °178.0 °178.0 °
Maximum resolution
N/A
1920 x 1200 px3840 x 2160 px2560 x 1440 px
Colour depth (per channel)
N/A
8.0 bit10.0 bit
N/A
Colour gamut (Adobe RGB)
N/A
91.0 %99.9 %99.0 %
Colour gamut (NTSC)
N/A
72.0 %
N/A
99.0 %
Dynamic contrast ratio
N/A
2000000:1
N/A
3000000:1
Contrast ratio
N/A
1000:11300:11000:1
Response time (GtG)
N/A
6.0 ms5.0 ms4.0 ms
Response time (BtW)
N/A
19.0 ms14.0 ms
N/A
Image delay
N/A
< 7.7
N/A
N/A
Picture-in-Picture (PIP)
N/A
nono
N/A
Pixel size
N/A
0.01 in0.01 in0.01 in

Features

Pivot functionyesyesyesyes
Swivelyesyesyesyes
Cable lock slotyesyesyesyes
Ascendable and submersible
N/A
yesyesyes
Tiltable
N/A
yesyesyes
Memory card reader
N/A
nono
N/A
Flicker free
N/A
yes
N/A
N/A
Plug and Play
N/A
N/A
yes
N/A

Compatibility

3D support (3D-Ready)nononono
VESA mountyesyesyesyes
Type of VESA mount100x100mm100x100mm100x100mm100x100mm
Adaptive synchronization
N/A
nono
N/A
HDR
N/A
noyes
N/A

Eco-labelling

EnergyStaryesnoyesyes
EPEAT
N/A
GoldGoldGold

Power

Energy efficiency classEA+A
N/A
Power consumption (standby)0.3 W0.5 W0.3 W0.5 W
Power consumption (typical)25.0 W23.0 W30.0 W24.0 W
Operational power consumption
N/A
< 2324 - 99< 24
Connecting 9V/12V/14V
N/A
N/A
None
N/A

Often compared with Dell P2421D

Often compared with Dell U2415

Often compared with Dell U2718Q