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Compare 4 products

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Asus PQ321QE Monitor
Asus PQ321QE
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LG 20M37A Monitor
LG 20M37A
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Samsung U28E590D Monitor
Samsung U28E590D
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Samsung U28E590DS Monitor
Samsung U28E590DS
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
12
3.5 out of 5
5 user ratings
5 stars
20 %
4 stars
40 %
3 stars
20 %
2 stars
20 %
1 stars
0 %
Read editorial reviews
11
3.3 out of 5
4 user ratings
5 stars
25 %
4 stars
25 %
3 stars
25 %
2 stars
25 %
1 stars
0 %
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 %
36
4.4 out of 5
36 user ratings
5 stars
50 %
4 stars
38 %
3 stars
11 %
2 stars
0 %
1 stars
0 %
70
3.5 out of 5
70 user ratings
5 stars
25 %
4 stars
25 %
3 stars
27 %
2 stars
17 %
1 stars
4 %
42
4.0 out of 5
42 user ratings
5 stars
28 %
4 stars
45 %
3 stars
23 %
2 stars
2 %
1 stars
0 %

General

Screen size31.5 in19.5 in28.0 in28.0 in
Brightness350.0 cd/m²200.0 cd/m²370.0 cd/m²370.0 cd/m²
Aspect ratio16:916:916:916:9

Design

Colour of productBlackBlackBlack,Metallic
  • Black
  • Black,Silver
Panel designFlat
N/A
FlatFlat
Built-in USB hubno
N/A
nono
Touchscreennonono
N/A
Built-in camerano
N/A
nono
Screen surfaceMatteMatteMatte
N/A
Built-in speakersyesnonono

Dimensions

Height adjustment5.91 in
N/A
N/A
N/A
Height (min-max)< 489
N/A
< 468.5
N/A
Height (without stand)19.25 in11.26 in15.01 in15.01 in
Depth (with stand)10.08 in6.61 in7.37 in2.89 in
Depth (without stand)1.38 in
N/A
2.89 in2.89 in
Width (with stand)29.53 in18.23 in26.02 in23.89 in
Weight458.56 oz77.6 oz0.19 oz0.19 oz
Height with stand
N/A
14.06 in18.44 in18.44 in
Weight (without stand)
N/A
N/A
10.38 lb
N/A

Connectivity

Analogue 3.5mm input1
N/A
0
N/A
Component input (YPbPr/YCbCr)no
N/A
no
N/A
Number of component inputs0
N/A
0
N/A
Composite inputno
N/A
no
N/A
Number of composite inputs0
N/A
0
N/A
DisplayPortyesyesyes
N/A
DVI Portnononono
HDCPyesno
N/A
N/A
HDMInonoyesyes
Headphone outputyes
N/A
yesyes
Microphone inputyes
N/A
N/A
N/A
Headphone outputs quantity1
N/A
11
S-video inputno
N/A
no
N/A
Number of s-video inputs0
N/A
0
N/A
Thunderboltno
N/A
no
N/A
USB for videono
N/A
no
N/A
VGA innoyesno
N/A
Number of DisplayPort inputs1
N/A
1
N/A
Number of DisplayPort outputs0
N/A
0
N/A
DisplayPort version1.2
N/A
1.2
N/A
Type of DisplayPort connectorStandard
N/A
Standard
N/A
VGA (D-Sub) ports quantity
N/A
1
N/A
N/A
Ethernet LAN
N/A
no
N/A
no
HDMI ports quantity
N/A
N/A
22
Number of HDMI inputs
N/A
N/A
2
N/A
HDMI version
N/A
N/A
2.0
N/A

Image properties

Maximum resolution3840 x 2160 px1600 x 900 px3840 x 2160 px
N/A
Supported graphics resolutions3840x21601600x9003840 x 21603840 x 2160
Refresh rate60.0 Hz75.0 Hz60.0 Hz60.0 Hz
HD type4K Ultra HD
N/A
4K Ultra HD4K Ultra HD
Display number of colours1.073 billion colours16.78 million colours1.07 billion colours1.073 billion colours
Colour depth (per channel)10.0 bit
N/A
10.0 bit
N/A
Colour gamut (NTSC)80.0 %
N/A
72.0 %
N/A
Contrast ratio800:1600:11000:1700:1
Display technologyLEDLEDLEDLED
BacklightLEDLEDLED backlight
N/A
Panel typeIGZOTNTNTN
Response time (GtG)8.0 ms
N/A
1.0 ms
N/A
Response time8.0 ms5.0 ms1.0 ms1.0 ms
Picture-in-Picture (PIP)no
N/A
yesyes
Pixel size0.01 in0.01 in0.01 in
N/A
Viewing angle (horizontal)176.0 °90.0 °170.0 °160.0 °
Viewing angle (vertical)176.0 °65.0 °160.0 °170.0 °
Colour gamut (Adobe RGB)
N/A
72.0 %72.0 %72.0 %
Dynamic contrast ratio
N/A
5000000:110000:1
N/A
Response time (BtW)
N/A
N/A
1.0 ms
N/A

Features

Ascendable and submersibleyes
N/A
no
N/A
Pivot functionyes
N/A
no
N/A
Swivelyes
N/A
no
N/A
Tiltableyesyesyesyes
Memory card readerno
N/A
no
N/A
Cable lock slotyesnonono
Wi-Fi
N/A
no
N/A
no
Bluetooth
N/A
no
N/A
no
Plug and Play
N/A
yes
N/A
yes
Flicker free
N/A
N/A
yesyes

Compatibility

3D support (3D-Ready)nononono
Adaptive synchronizationno
N/A
yes
N/A
HDRnonono
N/A
VESA mountyesyesyesyes
Type of VESA mount200x200mm
N/A
75x75mm
N/A
Sync technology
N/A
N/A
AMD Freesync
N/A

Power

Connecting 9V/12V/14VNone
N/A
None
N/A
Operational power consumption< 93
N/A
< 29.6
N/A
Power consumption (standby)1.0 W0.3 W0.3 W0.3 W
Power consumption (typical)93.0 W20.0 W38.0 W0.3 W
Energy efficiency class
N/A
N/A
GB

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