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AOC 24B2XDM Monitor
AOC 24B2XDM
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Dell U3818DW Monitor
Dell U3818DW
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Dell U3821DW Monitor
Dell U3821DW
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Editiorial reviews
10
10 editorial reviews
The Dell U3818DW aims to fill a growing demand for ultrawide monitors with an impressive 3840 x 1600 resolution, plus equally awe-inspiring visualsRead more
3840x1600 Ultrawide Monitors: How 160 Lines Can Make All the Difference When PC monitors made the mainstream transition to widescreen aspect ratios in theRead more
Monitors for gaming and design are in demand nowadays thanks to the boom of the digital age which spawned careers in content creation, editing, and gradingRead more
Read editorial reviews
4
4 editorial reviews
What is the best large monitor? The Samsung Odyssey Neo G9 is our no-brainer top pick! We analyzed each monitor's screen size, panel type, resolution, and more.Read more
If you're in the market for an excellent widescreen desktop monitor, then you need to consider the Dell UltraSharp 38 (U3821DW).Read more
Looking to maximize your productivity? Check out our 38" Curved Dell UltraSharp U3821DW review and see if this is the one for you.Read more
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 %
43
4.1 out of 5
43 user ratings
5 stars
32 %
4 stars
44 %
3 stars
23 %
2 stars
0 %
1 stars
0 %
40
4.2 out of 5
40 user ratings
5 stars
42 %
4 stars
32 %
3 stars
25 %
2 stars
0 %
1 stars
0 %

General

Screen size23.8 in37.5 in37.5 in
Brightness250.0 cd/m²300.0 cd/m²300.0 cd/m²
Aspect ratio16:921:921:9

Design

Colour of productBlackBlackGrey
Panel designFlatCurvedCurved
Built-in USB hubnoyesyes
Built-in cameranonono
Screen surfaceMatteMatte
N/A
Touchscreen
N/A
no
N/A
Built-in speakers
N/A
yes
N/A

Dimensions

Height (without stand)12.64 in15.62 in15.44 in
Height with stand16.47 in17.01 in22.2 in
Depth (with stand)6.73 in2.19 in9.89 in
Depth (without stand)1.48 in2.19 in4.03 in
Width (with stand)21.24 in35.2 in35.21 in
Weight0.1 oz0.43 oz0.46 oz
Height adjustment
N/A
4.53 in4.72 in
Height (min-max)
N/A
432 - 547
N/A
Weight (without stand)
N/A
19.95 lb
N/A

Connectivity

DVI Portyesnono
HDMInoyesyes
Headphone outputnono
N/A
VGA (D-Sub) ports quantity1
N/A
N/A
Analogue 3.5mm input
N/A
1
N/A
Number of USB 2.0 port
N/A
0
N/A
Number of USB 3.0 ports
N/A
6
N/A
USB connectors (total)
N/A
7
N/A
Component input (YPbPr/YCbCr)
N/A
no
N/A
Number of component inputs
N/A
0
N/A
Composite input
N/A
no
N/A
Number of composite inputs
N/A
0
N/A
DisplayPort
N/A
yes
N/A
HDCP
N/A
yes
N/A
HDMI ports quantity
N/A
22
Number of HDMI inputs
N/A
2
N/A
HDMI version
N/A
2.02.0
Headphone outputs quantity
N/A
1
N/A
S-video input
N/A
no
N/A
Number of s-video inputs
N/A
0
N/A
Thunderbolt
N/A
no
N/A
USB for video
N/A
no
N/A
VGA in
N/A
no
N/A
Number of DisplayPort inputs
N/A
1
N/A
Number of DisplayPort outputs
N/A
0
N/A
DisplayPort version
N/A
1.21.4
Type of DisplayPort connector
N/A
Standard
N/A
MHL
N/A
yes
N/A

Image properties

Supported graphics resolutions
  • 1280 x 720
  • 1920 x 1080
3840 x 16003840 x 1600
Refresh rate75.0 Hz60.0 Hz60.0 Hz
HD typeFull HDUltra-Wide Quad HD+UltraWide Quad HD+
Display number of colours16.78 million colours1.073 billion colours1.07 billion colours
Colour depth (per channel)8.0 bit10.0 bit
N/A
Colour gamut (NTSC)72.0 %
N/A
N/A
Dynamic contrast ratio20000000:1
N/A
N/A
Display technologyLCDLCDLCD
BacklightW-LEDW-LEDW-LED
Panel typeVAIPSIPS
Response time4.0 ms5.0 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
3840 x 1600 px
N/A
Contrast ratio
N/A
1000:1
N/A
Response time (GtG)
N/A
5.0 ms
N/A
Response time (BtW)
N/A
8.0 ms
N/A
Picture-in-Picture (PIP)
N/A
yes
N/A
Pixel size
N/A
0.01 in
N/A
Colour gamut (Adobe RGB)
N/A
N/A
95.0 %

Features

Cable lock slotyesyesyes
Flicker freeyesyesyes
Ascendable and submersible
N/A
yes
N/A
Pivot function
N/A
yes
N/A
Swivel
N/A
yesyes
Tiltable
N/A
yes
N/A
Memory card reader
N/A
no
N/A
Plug and Play
N/A
yesyes

Compatibility

VESA mountyesyesyes
Type of VESA mount100x100mm100x100mm100x100mm
3D support (3D-Ready)
N/A
no
N/A
Adaptive synchronization
N/A
no
N/A
HDR
N/A
no
N/A

Power

Energy efficiency classFAF
Power consumption (standby)0.3 W0.5 W0.3 W
Power consumption (typical)21.0 W56.0 W36.5 W
Connecting 9V/12V/14V
N/A
None
N/A
Operational power consumption
N/A
56 - 250
N/A

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