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Asus PQ321QE Monitor
Asus PQ321QE
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Samsung U28D590D Monitor
Samsung U28D590D
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Samsung U28E590D Monitor
Samsung U28E590D
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
15
3.7 out of 5
5 user ratings
5 stars
0 %
4 stars
100 %
3 stars
0 %
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
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 %
39
4.0 out of 5
39 user ratings
5 stars
28 %
4 stars
48 %
3 stars
20 %
2 stars
2 %
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 %

General

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

Design

Colour of productBlack
  • Black
  • Black,Silver
Black,Metallic
Panel designFlatFlatFlat
Built-in USB hubnonono
Touchscreennonono
Built-in cameranonono
Screen surfaceMatteMatteMatte
Built-in speakersyesnono

Dimensions

Height adjustment5.91 in
N/A
N/A
Height (min-max)< 489< 486.3< 468.5
Height (without stand)19.25 in2.55 in15.01 in
Depth (with stand)10.08 in19.15 in7.37 in
Depth (without stand)1.38 in16.14 in2.89 in
Width (with stand)29.53 in26.02 in26.02 in
Weight458.56 oz0.18 oz0.19 oz
Height with stand
N/A
6.67 in18.44 in
Weight (without stand)
N/A
11.13 lb10.38 lb

Connectivity

Analogue 3.5mm input110
Component input (YPbPr/YCbCr)nonono
Number of component inputs000
Composite inputnonono
Number of composite inputs000
DisplayPortyesyesyes
DVI Portnonono
HDCPyes
N/A
N/A
HDMInoyesyes
Headphone outputyesyesyes
Microphone inputyes
N/A
N/A
Headphone outputs quantity111
S-video inputnonono
Number of s-video inputs000
Thunderboltnonono
USB for videononono
VGA innonono
Number of DisplayPort inputs111
Number of DisplayPort outputs0
N/A
0
DisplayPort version1.21.01.2
Type of DisplayPort connectorStandardStandardStandard
HDMI ports quantity
N/A
22
Number of HDMI inputs
N/A
22
HDMI version
N/A
2.02.0
MHL
N/A
no
N/A
Ethernet LAN
N/A
no
N/A

Image properties

Maximum resolution3840 x 2160 px3840 x 2160 px3840 x 2160 px
Supported graphics resolutions3840x21603840x21603840 x 2160
Refresh rate60.0 Hz60.0 Hz60.0 Hz
HD type4K Ultra HD4K Ultra HD4K Ultra HD
Display number of colours1.073 billion colours1.073 billion colours1.07 billion colours
Colour depth (per channel)10.0 bit10.0 bit10.0 bit
Colour gamut (NTSC)80.0 %72.0 %72.0 %
Contrast ratio800:11000:11000:1
Display technologyLEDLEDLED
BacklightLEDLED backlightLED backlight
Panel typeIGZOTNTN
Response time (GtG)8.0 ms1.0 ms1.0 ms
Response time8.0 ms1.0 ms1.0 ms
Picture-in-Picture (PIP)noyesyes
Pixel size0.01 in0.01 in0.01 in
Viewing angle (horizontal)176.0 °170.0 °170.0 °
Viewing angle (vertical)176.0 °160.0 °160.0 °
Response time (BtW)
N/A
1.0 ms1.0 ms
Image delay
N/A
< 5.6
N/A
Colour gamut (Adobe RGB)
N/A
N/A
72.0 %
Dynamic contrast ratio
N/A
N/A
10000:1

Features

Ascendable and submersibleyesnono
Pivot functionyesnono
Swivelyesnono
Tiltableyesyesyes
Memory card readernonono
Cable lock slotyesnono
Wi-Fi
N/A
no
N/A
Bluetooth
N/A
no
N/A
Plug and Play
N/A
yes
N/A
Flicker free
N/A
N/A
yes

Compatibility

3D support (3D-Ready)nonono
Adaptive synchronizationnonoyes
HDRnonono
VESA mountyesnoyes
Type of VESA mount200x200mm
N/A
75x75mm
Sync technology
N/A
N/A
AMD Freesync

Power

Connecting 9V/12V/14VNoneNoneNone
Operational power consumption< 93< 32< 29.6
Power consumption (standby)1.0 W0.3 W0.3 W
Power consumption (typical)93.0 W32.0 W38.0 W
Energy efficiency class
N/A
BG

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Often compared with Samsung U28E590D