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 3 products

Close
Asus PQ321QE Monitor
Asus PQ321QE
Close
Dell AW3420DW Monitor
Dell AW3420DW
Close
Dell U3818DW Monitor
Dell U3818DW
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
4
4.0 out of 5
4 user ratings
5 stars
25 %
4 stars
75 %
3 stars
0 %
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
User rating
4
3.5 out of 5
4 user ratings
5 stars
0 %
4 stars
50 %
3 stars
50 %
2 stars
0 %
1 stars
0 %
38
4.2 out of 5
38 user ratings
5 stars
36 %
4 stars
44 %
3 stars
18 %
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 %

General

Screen size31.5 in34.1 in37.5 in
Brightness350.0 cd/m²350.0 cd/m²300.0 cd/m²
Aspect ratio16:921:921:9

Design

Colour of productBlackBlack,WhiteBlack
Panel designFlatCurvedCurved
Built-in USB hubnoyesyes
Touchscreenno
N/A
no
Built-in cameranonono
Screen surfaceMatte
N/A
Matte
Built-in speakersyes
N/A
yes

Dimensions

Height adjustment5.91 in5.12 in4.53 in
Height (min-max)< 489
N/A
432 - 547
Height (without stand)19.25 in14.33 in15.62 in
Depth (with stand)10.08 in10.78 in2.19 in
Depth (without stand)1.38 in4.64 in2.19 in
Width (with stand)29.53 in32.01 in35.2 in
Weight458.56 oz0.38 oz0.43 oz
Height with stand
N/A
22.02 in17.01 in
Weight (without stand)
N/A
N/A
19.95 lb

Connectivity

Analogue 3.5mm input1
N/A
1
Component input (YPbPr/YCbCr)no
N/A
no
Number of component inputs0
N/A
0
Composite inputno
N/A
no
Number of composite inputs0
N/A
0
DisplayPortyes
N/A
yes
DVI Portnonono
HDCPyes
N/A
yes
HDMInoyesyes
Headphone outputyesyesno
Microphone inputyes
N/A
N/A
Headphone outputs quantity111
S-video inputno
N/A
no
Number of s-video inputs0
N/A
0
Thunderboltno
N/A
no
USB for videono
N/A
no
VGA inno
N/A
no
Number of DisplayPort inputs1
N/A
1
Number of DisplayPort outputs0
N/A
0
DisplayPort version1.21.21.2
Type of DisplayPort connectorStandard
N/A
Standard
HDMI ports quantity
N/A
12
HDMI version
N/A
1.42.0
Number of USB 2.0 port
N/A
N/A
0
Number of USB 3.0 ports
N/A
N/A
6
USB connectors (total)
N/A
N/A
7
Number of HDMI inputs
N/A
N/A
2
MHL
N/A
N/A
yes

Image properties

Maximum resolution3840 x 2160 px
N/A
3840 x 1600 px
Supported graphics resolutions3840x2160
  • 640 x 480
  • 720 x 480
  • 720 x 576
  • 800 x 600
  • 1024 x 768
  • 1280 x 720
  • 1920 x 1080
  • 3440 x 1440
3840 x 1600
Refresh rate60.0 Hz120.0 Hz60.0 Hz
HD type4K Ultra HDWide Quad HDUltra-Wide Quad HD+
Display number of colours1.073 billion colours16.78 million colours1.073 billion colours
Colour depth (per channel)10.0 bit
N/A
10.0 bit
Colour gamut (NTSC)80.0 %
N/A
N/A
Contrast ratio800:1
N/A
1000:1
Display technologyLEDLCDLCD
BacklightLEDLEDW-LED
Panel typeIGZOIPSIPS
Response time (GtG)8.0 ms
N/A
5.0 ms
Response time8.0 ms2.0 ms5.0 ms
Picture-in-Picture (PIP)no
N/A
yes
Pixel size0.01 in
N/A
0.01 in
Viewing angle (horizontal)176.0 °178.0 °178.0 °
Viewing angle (vertical)176.0 °178.0 °178.0 °
Colour gamut (Adobe RGB)
N/A
134.5 %
N/A
Response time (BtW)
N/A
N/A
8.0 ms

Features

Ascendable and submersibleyes
N/A
yes
Pivot functionyes
N/A
yes
Swivelyesyesyes
Tiltableyes
N/A
yes
Memory card readerno
N/A
no
Cable lock slotyes
N/A
yes
Flicker free
N/A
yesyes
Plug and Play
N/A
yesyes

Compatibility

3D support (3D-Ready)nonono
Adaptive synchronizationno
N/A
no
HDRno
N/A
no
VESA mountyesyesyes
Type of VESA mount200x200mm100x100mm100x100mm

Power

Connecting 9V/12V/14VNone
N/A
None
Operational power consumption< 93
N/A
56 - 250
Power consumption (standby)1.0 W0.5 W0.5 W
Power consumption (typical)93.0 W58.0 W56.0 W
Energy efficiency class
N/A
BA

Often compared with Dell AW3420DW

Often compared with Dell U3818DW