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Compare 5 products

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Asus PQ321QE Monitor
Asus PQ321QE
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LG 27UD88-W Monitor
LG 27UD88-W
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Samsung U28D590D Monitor
Samsung U28D590D
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Samsung U28E570D Monitor
Samsung U28E570D
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Samsung U28E590D Monitor
Samsung U28E590D
Available colors

General

Screen size31.5 in27.0 in28.0 in28.0 in28.0 in
Brightness350.0 cd/m²350.0 cd/m²370.0 cd/m²370.0 cd/m²370.0 cd/m²
Aspect ratio16:916:916:916:916:9

Design

Colour of productBlackBlack,Silver,White
  • Black
  • Black,Silver
  • Black
  • Silver
Black,Metallic
Panel designFlatFlatFlatFlatFlat
Built-in USB hubnoyesnonono
Touchscreennonononono
Built-in cameranonononono
Screen surfaceMatteMatteMatteMatteMatte
Built-in speakersyesnononono

Dimensions

Height adjustment5.91 in4.33 in
N/A
N/A
N/A
Height (min-max)< 489< 425< 486.3< 468.5< 468.5
Height (without stand)19.25 in14.37 in2.55 in15.01 in15.01 in
Depth (with stand)10.08 in8.76 in19.15 in7.37 in7.37 in
Depth (without stand)1.38 in1.68 in16.14 in2.89 in2.89 in
Width (with stand)29.53 in24.21 in26.02 in26.02 in26.02 in
Weight458.56 oz218.7 oz0.18 oz186.25 oz0.19 oz
Height with stand
N/A
16.74 in6.67 in
N/A
18.44 in
Weight (without stand)
N/A
10.36 lb11.13 lb10.38 lb10.38 lb

Connectivity

Analogue 3.5mm input1
N/A
100
Component input (YPbPr/YCbCr)nonononono
Number of component inputs00000
Composite inputnonononono
Number of composite inputs00000
DisplayPortyesyesyesyesyes
DVI Portnonononono
HDCPyesyes
N/A
N/A
N/A
HDMInoyesyesyesyes
Headphone outputyesyesyesyesyes
Microphone inputyes
N/A
N/A
N/A
N/A
Headphone outputs quantity111
N/A
1
S-video inputnonononono
Number of s-video inputs00000
Thunderboltnonononono
USB for videonoyesnonono
VGA innonononono
Number of DisplayPort inputs11111
Number of DisplayPort outputs00
N/A
00
DisplayPort version1.21.21.01.21.2
Type of DisplayPort connectorStandardStandardStandardStandardStandard
Type of USB connector
N/A
Type-C
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
2
N/A
N/A
N/A
USB connectors (total)
N/A
2
N/A
N/A
N/A
HDMI ports quantity
N/A
22
N/A
2
Number of HDMI inputs
N/A
2222
HDMI version
N/A
2.02.02.02.0
MHL
N/A
nonono
N/A
Ethernet LAN
N/A
N/A
no
N/A
N/A

Image properties

Maximum resolution3840 x 2160 px3840 x 2160 px3840 x 2160 px3840 x 2160 px3840 x 2160 px
Supported graphics resolutions3840x21603840x21603840x2160
N/A
3840 x 2160
Refresh rate60.0 Hz60.0 Hz60.0 Hz60.0 Hz60.0 Hz
HD type4K Ultra HD4K Ultra HD4K Ultra HD
N/A
4K Ultra HD
Display number of colours1.073 billion colours
N/A
1.073 billion colours
N/A
1.07 billion colours
Colour depth (per channel)10.0 bit10.0 bit10.0 bit
N/A
10.0 bit
Colour gamut (NTSC)80.0 %
N/A
72.0 %72.0 %72.0 %
Contrast ratio800:11000:11000:11000:11000:1
Display technologyLEDLEDLEDLCDLED
BacklightLEDW-LEDLED backlightLEDLED backlight
Panel typeIGZOIPSTNTNTN
Response time (GtG)8.0 ms5.0 ms1.0 ms1.0 ms1.0 ms
Response time8.0 ms5.0 ms1.0 ms
N/A
1.0 ms
Picture-in-Picture (PIP)noyesyesyesyes
Pixel size0.01 in0.01 in0.01 in0.01 in0.01 in
Viewing angle (horizontal)176.0 °178.0 °170.0 °170.0 °170.0 °
Viewing angle (vertical)176.0 °178.0 °160.0 °160.0 °160.0 °
Colour gamut (Adobe RGB)
N/A
78.0 %
N/A
N/A
72.0 %
Dynamic contrast ratio
N/A
5000000:1
N/A
20000:110000:1
Response time (BtW)
N/A
N/A
1.0 ms
N/A
1.0 ms
Image delay
N/A
N/A
< 5.6
N/A
N/A

Features

Ascendable and submersibleyesyesnonono
Pivot functionyesyesnonono
Swivelyesyesnonono
Tiltableyesyesyesyesyes
Memory card readernonononono
Cable lock slotyes
N/A
no
N/A
no
Flicker free
N/A
yes
N/A
yesyes
Plug and Play
N/A
yesyes
N/A
N/A
Wi-Fi
N/A
N/A
no
N/A
N/A
Bluetooth
N/A
N/A
no
N/A
N/A

Compatibility

3D support (3D-Ready)nonononono
Adaptive synchronizationnoyesnoyesyes
HDRnonononono
VESA mountyesyesnoyesyes
Type of VESA mount200x200mm100x100mm
N/A
75x75mm75x75mm
Sync technology
N/A
AMD Freesync
N/A
AMD FreesyncAMD Freesync

Power

Connecting 9V/12V/14VNoneNoneNoneNoneNone
Operational power consumption< 93< 29< 32< 38< 29.6
Power consumption (standby)1.0 W0.3 W0.3 W0.3 W0.3 W
Power consumption (typical)93.0 W29.0 W32.0 W
N/A
38.0 W
Energy efficiency class
N/A
AB
N/A
G

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