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Dell AW3420DW Monitor
Dell AW3420DW
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Dell U3818DW Monitor
Dell U3818DW
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Dell U3821DW Monitor
Dell U3821DW
Available colors
Editiorial 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
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
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 %
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 size34.1 in37.5 in37.5 in
Brightness350.0 cd/m²300.0 cd/m²300.0 cd/m²
Aspect ratio21:921:921:9

Design

Colour of productBlack,WhiteBlackGrey
Panel designCurvedCurvedCurved
Built-in USB hubyesyesyes
Built-in cameranonono
Touchscreen
N/A
no
N/A
Screen surface
N/A
Matte
N/A
Built-in speakers
N/A
yes
N/A

Dimensions

Height adjustment5.12 in4.53 in4.72 in
Height (without stand)14.33 in15.62 in15.44 in
Height with stand22.02 in17.01 in22.2 in
Depth (with stand)10.78 in2.19 in9.89 in
Depth (without stand)4.64 in2.19 in4.03 in
Width (with stand)32.01 in35.2 in35.21 in
Weight0.38 oz0.43 oz0.46 oz
Height (min-max)
N/A
432 - 547
N/A
Weight (without stand)
N/A
19.95 lb
N/A

Connectivity

DVI Portnonono
HDMIyesyesyes
HDMI ports quantity122
HDMI version1.42.02.0
Headphone outputyesno
N/A
Headphone outputs quantity11
N/A
DisplayPort version1.21.21.4
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
Number of HDMI inputs
N/A
2
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
Type of DisplayPort connector
N/A
Standard
N/A
MHL
N/A
yes
N/A

Image properties

Supported graphics resolutions
  • 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 16003840 x 1600
Refresh rate120.0 Hz60.0 Hz60.0 Hz
HD typeWide Quad HDUltra-Wide Quad HD+UltraWide Quad HD+
Display number of colours16.78 million colours1.073 billion colours1.07 billion colours
Colour gamut (Adobe RGB)134.5 %
N/A
95.0 %
Display technologyLCDLCDLCD
BacklightLEDW-LEDW-LED
Panel typeIPSIPSIPS
Response time2.0 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
Colour depth (per channel)
N/A
10.0 bit
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

Features

Swivelyesyesyes
Flicker freeyesyesyes
Plug and Playyesyesyes
Ascendable and submersible
N/A
yes
N/A
Pivot function
N/A
yes
N/A
Tiltable
N/A
yes
N/A
Memory card reader
N/A
no
N/A
Cable lock slot
N/A
yesyes

Compatibility

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

Eco-labelling

EnergyStaryesyesyes
EPEAT
N/A
GoldGold
TCO-labelling
N/A
None
N/A

Power

Energy efficiency classBAF
Power consumption (standby)0.5 W0.5 W0.3 W
Power consumption (typical)58.0 W56.0 W36.5 W
Connecting 9V/12V/14V
N/A
None
N/A
Operational power consumption
N/A
56 - 250
N/A

Often compared with Dell AW3420DW

Dell AW3420DW Monitor
Dell AW3418DW
DellAW3420DW
DellAW3418DW

Often compared with Dell U3818DW

Dell U3818DW Monitor
Dell U3821DW
DellU3818DW
DellU3821DW
Dell U3818DW Monitor
LG 38WN75C-B
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LG38WN75C-B

Often compared with Dell U3821DW

Dell U3821DW Monitor
Dell U3818DW
DellU3821DW
DellU3818DW
Dell U3821DW Monitor
LG 38WN95C
DellU3821DW
LG38WN95C
Dell U3821DW Monitor
Dell U4021QW
DellU3821DW
DellU4021QW