We and our partners use cookies to give you the best online experience, including to personalise advertising and content. Data about your interaction with this site and the ads shown to you may be shared with companies involved in the delivery and/or personalisation of ads on this site and elsewhere online.

Compare 4 products

Close
AOC 24B2XDM Monitor
AOC 24B2XDM
Close
Asus PQ321QE Monitor
Asus PQ321QE
Close
Dell U3818DW Monitor
Dell U3818DW
Close
LG 38UC99-W Monitor
LG 38UC99-W
Available colors
Editiorial reviews
4
4.0 out of 5
4 user ratings
5 stars
50 %
4 stars
25 %
3 stars
25 %
2 stars
0 %
1 stars
0 %
Read editorial 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
12
3.8 out of 5
5 user ratings
5 stars
40 %
4 stars
40 %
3 stars
0 %
2 stars
20 %
1 stars
0 %
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 %
4
3.5 out of 5
4 user ratings
5 stars
0 %
4 stars
50 %
3 stars
50 %
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 %
39
3.8 out of 5
39 user ratings
5 stars
28 %
4 stars
23 %
3 stars
48 %
2 stars
0 %
1 stars
0 %

General

Screen size23.8 in31.5 in37.5 in38.0 in
Brightness250.0 cd/m²350.0 cd/m²300.0 cd/m²300.0 cd/m²
Aspect ratio16:916:921:921:9

Design

Colour of productBlackBlackBlack
  • Black front panel,white ,silver/white stand
  • Black,Silver,White
  • White
Panel designFlatFlatCurvedCurved
Built-in USB hubnonoyesyes
Built-in cameranononono
Screen surfaceMatteMatteMatteMatte
Touchscreen
N/A
nonono
Built-in speakers
N/A
yesyesyes

Dimensions

Height (without stand)12.64 in19.25 in15.62 in15.5 in
Height with stand16.47 in
N/A
17.01 in18.35 in
Depth (with stand)6.73 in10.08 in2.19 in11.0 in
Depth (without stand)1.48 in1.38 in2.19 in3.6 in
Width (with stand)21.24 in29.53 in35.2 in35.32 in
Weight0.1 oz458.56 oz0.43 oz328.05 oz
Height adjustment
N/A
5.91 in4.53 in4.33 in
Height (min-max)
N/A
< 489432 - 547466.2 - 576.2
Weight (without stand)
N/A
N/A
19.95 lb16.98 lb

Connectivity

DVI Portyesnonono
HDMInonoyesyes
Headphone outputnoyesnoyes
VGA (D-Sub) ports quantity1
N/A
N/A
N/A
Analogue 3.5mm input
N/A
111
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
HDCP
N/A
yesyesyes
Microphone input
N/A
yes
N/A
N/A
Headphone outputs quantity
N/A
111
S-video input
N/A
nonono
Number of s-video inputs
N/A
000
Thunderbolt
N/A
nonono
USB for video
N/A
nonoyes
VGA in
N/A
nonono
Number of DisplayPort inputs
N/A
111
Number of DisplayPort outputs
N/A
000
DisplayPort version
N/A
1.21.21.2
Type of DisplayPort connector
N/A
StandardStandardStandard
Number of USB 2.0 port
N/A
N/A
00
Number of USB 3.0 ports
N/A
N/A
62
USB connectors (total)
N/A
N/A
73
HDMI ports quantity
N/A
N/A
22
Number of HDMI inputs
N/A
N/A
22
HDMI version
N/A
N/A
2.02.0
MHL
N/A
N/A
yes
N/A
Type of USB connector
N/A
N/A
N/A
Type-C

Image properties

Supported graphics resolutions
  • 1280 x 720
  • 1920 x 1080
3840x21603840 x 16003840x1600
Refresh rate75.0 Hz60.0 Hz60.0 Hz60.0 Hz
HD typeFull HD4K Ultra HDUltra-Wide Quad HD+
N/A
Display number of colours16.78 million colours1.073 billion colours1.073 billion colours1.073 billion colours
Colour depth (per channel)8.0 bit10.0 bit10.0 bit10.0 bit
Colour gamut (NTSC)72.0 %80.0 %
N/A
99.0 %
Dynamic contrast ratio20000000:1
N/A
N/A
N/A
Display technologyLCDLEDLCDLCD
BacklightW-LEDLEDW-LEDWLED
Panel typeVAIGZOIPSAH-IPS
Response time4.0 ms8.0 ms5.0 ms5.0 ms
Viewing angle (horizontal)178.0 °176.0 °178.0 °178.0 °
Viewing angle (vertical)178.0 °176.0 °178.0 °178.0 °
Maximum resolution
N/A
3840 x 2160 px3840 x 1600 px3840 x 1600 px
Contrast ratio
N/A
800:11000:11000:1
Response time (GtG)
N/A
8.0 ms5.0 ms5.0 ms
Picture-in-Picture (PIP)
N/A
noyesyes
Pixel size
N/A
0.01 in0.01 in0.01 in
Response time (BtW)
N/A
N/A
8.0 ms14.0 ms
Colour gamut (Adobe RGB)
N/A
N/A
N/A
99.0 %

Features

Cable lock slotyesyesyesyes
Flicker freeyes
N/A
yesyes
Ascendable and submersible
N/A
yesyesyes
Pivot function
N/A
yesyesno
Swivel
N/A
yesyesno
Tiltable
N/A
yesyesyes
Memory card reader
N/A
nonono
Plug and Play
N/A
N/A
yes
N/A
Bluetooth
N/A
N/A
N/A
yes

Compatibility

VESA mountyesyesyesyes
Type of VESA mount100x100mm200x200mm100x100mm100x100mm
3D support (3D-Ready)
N/A
nonono
Adaptive synchronization
N/A
nonoyes
HDR
N/A
nonono
Sync technology
N/A
N/A
N/A
AMD Freesync

Power

Energy efficiency classF
N/A
AB
Power consumption (standby)0.3 W1.0 W0.5 W1.2 W
Power consumption (typical)21.0 W93.0 W56.0 W49.6 W
Connecting 9V/12V/14V
N/A
NoneNoneNone
Operational power consumption
N/A
< 9356 - 25057 - 120

Often compared with Dell U3818DW