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Compare 5 products

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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
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HP P19b G4 Monitor
HP P19b G4
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LG 20M37A Monitor
LG 20M37A
Available colors

General

Screen size34.1 in37.5 in37.5 in18.5 in19.5 in
Brightness350.0 cd/m²300.0 cd/m²300.0 cd/m²200.0 cd/m²200.0 cd/m²
Aspect ratio21:921:921:916:916:9

Design

Colour of productBlack,WhiteBlackGreyBlackBlack
Panel designCurvedCurvedCurvedFlat
N/A
Built-in USB hubyesyesyesno
N/A
Built-in cameranononono
N/A
Touchscreen
N/A
no
N/A
N/A
no
Screen surface
N/A
Matte
N/A
N/A
Matte
Built-in speakers
N/A
yes
N/A
N/A
no

Dimensions

Height adjustment5.12 in4.53 in4.72 in
N/A
N/A
Height (without stand)14.33 in15.62 in15.44 in10.94 in11.26 in
Height with stand22.02 in17.01 in22.2 in13.61 in14.06 in
Depth (with stand)10.78 in2.19 in9.89 in6.18 in6.61 in
Depth (without stand)4.64 in2.19 in4.03 in2.0 in
N/A
Width (with stand)32.01 in35.2 in35.21 in17.38 in18.23 in
Weight0.38 oz0.43 oz0.46 oz0.09 oz77.6 oz
Height (min-max)
N/A
432 - 547
N/A
N/A
N/A
Weight (without stand)
N/A
19.95 lb
N/A
N/A
N/A

Connectivity

DVI Portnonononono
HDMIyesyesyesyesno
HDMI ports quantity1221
N/A
HDMI version1.42.02.01.4
N/A
Headphone outputyesno
N/A
no
N/A
Headphone outputs quantity11
N/A
N/A
N/A
DisplayPort version1.21.21.4
N/A
N/A
Analogue 3.5mm input
N/A
1
N/A
N/A
N/A
Number of USB 2.0 port
N/A
0
N/A
N/A
N/A
Number of USB 3.0 ports
N/A
6
N/A
N/A
N/A
USB connectors (total)
N/A
7
N/A
N/A
N/A
Component input (YPbPr/YCbCr)
N/A
no
N/A
N/A
N/A
Number of component inputs
N/A
0
N/A
N/A
N/A
Composite input
N/A
no
N/A
N/A
N/A
Number of composite inputs
N/A
0
N/A
N/A
N/A
DisplayPort
N/A
yes
N/A
N/A
yes
HDCP
N/A
yes
N/A
yesno
Number of HDMI inputs
N/A
2
N/A
N/A
N/A
S-video input
N/A
no
N/A
N/A
N/A
Number of s-video inputs
N/A
0
N/A
N/A
N/A
Thunderbolt
N/A
no
N/A
N/A
N/A
USB for video
N/A
no
N/A
N/A
N/A
VGA in
N/A
no
N/A
N/A
yes
Number of DisplayPort inputs
N/A
1
N/A
N/A
N/A
Number of DisplayPort outputs
N/A
0
N/A
N/A
N/A
Type of DisplayPort connector
N/A
Standard
N/A
N/A
N/A
MHL
N/A
yes
N/A
N/A
N/A
VGA (D-Sub) ports quantity
N/A
N/A
N/A
11
Ethernet LAN
N/A
N/A
N/A
N/A
no

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
  • 640 x 480
  • 720 x 400
  • 800 x 600
  • 1024 x 768
  • 1280 x 720
  • 1366 х 768
1600x900
Refresh rate120.0 Hz60.0 Hz60.0 Hz60.0 Hz75.0 Hz
HD typeWide Quad HDUltra-Wide Quad HD+UltraWide Quad HD+WXGA
N/A
Display number of colours16.78 million colours1.073 billion colours1.07 billion colours16.78 million colours16.78 million colours
Colour gamut (Adobe RGB)134.5 %
N/A
95.0 %72.0 %72.0 %
Display technologyLCDLCDLCDLEDLED
BacklightLEDW-LEDW-LEDLED backlightLED
Panel typeIPSIPSIPSTNTN
Response time2.0 ms5.0 ms8.0 ms5.0 ms5.0 ms
Viewing angle (horizontal)178.0 °178.0 °178.0 °90.0 °90.0 °
Viewing angle (vertical)178.0 °178.0 °178.0 °65.0 °65.0 °
Maximum resolution
N/A
3840 x 1600 px
N/A
N/A
1600 x 900 px
Colour depth (per channel)
N/A
10.0 bit
N/A
N/A
N/A
Contrast ratio
N/A
1000:1
N/A
N/A
600:1
Response time (GtG)
N/A
5.0 ms
N/A
N/A
N/A
Response time (BtW)
N/A
8.0 ms
N/A
N/A
N/A
Picture-in-Picture (PIP)
N/A
yes
N/A
N/A
N/A
Pixel size
N/A
0.01 in
N/A
N/A
0.01 in
Colour gamut (NTSC)
N/A
N/A
N/A
72.0 %
N/A
Dynamic contrast ratio
N/A
N/A
N/A
8000000:15000000:1

Features

Swivelyesyesyes
N/A
N/A
Flicker freeyesyesyes
N/A
N/A
Plug and Playyesyesyesyesyes
Ascendable and submersible
N/A
yes
N/A
N/A
N/A
Pivot function
N/A
yes
N/A
no
N/A
Tiltable
N/A
yes
N/A
N/A
yes
Memory card reader
N/A
no
N/A
N/A
N/A
Cable lock slot
N/A
yesyesyesno
Wi-Fi
N/A
N/A
N/A
N/A
no
Bluetooth
N/A
N/A
N/A
N/A
no

Compatibility

3D support (3D-Ready)nono
N/A
N/A
no
VESA mountyesyesyesyesyes
Type of VESA mount100x100mm100x100mm100x100mm100x100mm
N/A
Adaptive synchronization
N/A
no
N/A
N/A
N/A
HDR
N/A
no
N/A
N/A
no

Power

Energy efficiency classBAFC
N/A
Power consumption (standby)0.5 W0.5 W0.3 W0.5 W0.3 W
Power consumption (typical)58.0 W56.0 W36.5 W9.0 W20.0 W
Connecting 9V/12V/14V
N/A
None
N/A
N/A
N/A
Operational power consumption
N/A
56 - 250
N/A
N/A
N/A

Often compared with Dell AW3420DW

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Often compared with Dell U3821DW

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