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Compare 4 products

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Asus PQ321QE Monitor
Asus PQ321QE
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LG 27UD58P-B Monitor
LG 27UD58P-B
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LG 27UD68P Monitor
LG 27UD68P
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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
4
4.0 out of 5
3 user ratings
5 stars
33 %
4 stars
66 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
4
4 editorial reviews
The LG 27UD68P-B is one of the best 4K monitors we have seen.  A number of users have asked, “What is […]Read more
Triple Monitor setups became popular in the early 2010’s when Nvidia released its Surround Tech that spans your computer’s output through three monitorsRead more
Check Latest Price Review of LG 27UD68-P One of LG’s top gaming monitors, the LG 27UD68-P is constructed for productivity, […]Read more
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 %
36
4.1 out of 5
36 user ratings
5 stars
33 %
4 stars
47 %
3 stars
19 %
2 stars
0 %
1 stars
0 %
37
4.2 out of 5
37 user ratings
5 stars
43 %
4 stars
35 %
3 stars
18 %
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 in27.0 in27.0 in28.0 in
Brightness350.0 cd/m²250.0 cd/m²300.0 cd/m²370.0 cd/m²
Aspect ratio16:916:916:916:9

Design

Colour of productBlackBlackBlackBlack,Metallic
Panel designFlatFlatFlatFlat
Built-in USB hubnononono
Touchscreenno
N/A
nono
Built-in cameranononono
Screen surfaceMatteMatteMatteMatte
Built-in speakersyesnonono

Dimensions

Height adjustment5.91 in5.12 in4.72 in
N/A
Height (min-max)< 489
N/A
< 417.7< 468.5
Height (without stand)19.25 in14.02 in14.37 in15.01 in
Depth (with stand)10.08 in7.33 in9.94 in7.37 in
Depth (without stand)1.38 in
N/A
1.55 in2.89 in
Width (with stand)29.53 in24.21 in24.21 in26.02 in
Weight458.56 oz172.84 oz236.34 oz0.19 oz
Height with stand
N/A
17.94 in16.44 in18.44 in
Weight (without stand)
N/A
N/A
10.14 lb10.38 lb

Connectivity

Analogue 3.5mm input1
N/A
N/A
0
Component input (YPbPr/YCbCr)no
N/A
nono
Number of component inputs0
N/A
00
Composite inputno
N/A
nono
Number of composite inputs0
N/A
00
DisplayPortyes
N/A
yesyes
DVI Portnononono
HDCPyes
N/A
N/A
N/A
HDMIno
N/A
yesyes
Headphone outputyes
N/A
yesyes
Microphone inputyes
N/A
N/A
N/A
Headphone outputs quantity1
N/A
N/A
1
S-video inputno
N/A
nono
Number of s-video inputs0
N/A
00
Thunderboltno
N/A
nono
USB for videono
N/A
nono
VGA inno
N/A
yesno
Number of DisplayPort inputs1
N/A
11
Number of DisplayPort outputs0
N/A
N/A
0
DisplayPort version1.2
N/A
1.21.2
Type of DisplayPort connectorStandard
N/A
StandardStandard
HDMI ports quantity
N/A
222
Number of HDMI inputs
N/A
N/A
22
HDMI version
N/A
N/A
2.02.0

Image properties

Maximum resolution3840 x 2160 px
N/A
3840 x 2160 px3840 x 2160 px
Supported graphics resolutions3840x21603840x21603840x21603840 x 2160
Refresh rate60.0 Hz
N/A
61.0 Hz60.0 Hz
HD type4K Ultra HD4K Ultra HD4K Ultra HD4K Ultra HD
Display number of colours1.073 billion colours1.073 billion colours1.073 billion colours1.07 billion colours
Colour depth (per channel)10.0 bit
N/A
10.0 bit10.0 bit
Colour gamut (NTSC)80.0 %
N/A
78.0 %72.0 %
Contrast ratio800:1
N/A
1000:11000:1
Display technologyLEDLEDLCDLED
BacklightLEDWLEDW-LEDLED backlight
Panel typeIGZOAH-IPSTFTTN
Response time (GtG)8.0 ms
N/A
5.0 ms1.0 ms
Response time8.0 ms5.0 ms5.0 ms1.0 ms
Picture-in-Picture (PIP)no
N/A
yesyes
Pixel size0.01 in
N/A
0.01 in0.01 in
Viewing angle (horizontal)176.0 °
N/A
178.0 °170.0 °
Viewing angle (vertical)176.0 °
N/A
178.0 °160.0 °
Dynamic contrast ratio
N/A
N/A
5000000:110000:1
Response time (BtW)
N/A
N/A
14.0 ms1.0 ms
Colour gamut (Adobe RGB)
N/A
N/A
N/A
72.0 %

Features

Ascendable and submersibleyes
N/A
yesno
Pivot functionyes
N/A
yesno
Swivelyes
N/A
yesno
Tiltableyesyesyesyes
Memory card readerno
N/A
nono
Cable lock slotyesnonono
Flicker free
N/A
N/A
yesyes
Plug and Play
N/A
N/A
yes
N/A

Compatibility

3D support (3D-Ready)nononono
Adaptive synchronizationno
N/A
yesyes
HDRno
N/A
nono
VESA mountyesyesyesyes
Type of VESA mount200x200mm
N/A
100x100mm75x75mm
Sync technology
N/A
N/A
AMD FreesyncAMD Freesync

Power

Connecting 9V/12V/14VNone
N/A
NoneNone
Operational power consumption< 93
N/A
< 29< 29.6
Power consumption (standby)1.0 W0.5 W0.3 W0.3 W
Power consumption (typical)93.0 W
N/A
N/A
38.0 W
Energy efficiency class
N/A
ABG

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