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Compare 3 products

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Acer KG281K Monitor
Acer KG281K
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BenQ EL2870U Monitor
BenQ EL2870U
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Samsung U28E590D Monitor
Samsung U28E590D
Available colors
Editiorial reviews
34
4.1 out of 5
18 user ratings
5 stars
27 %
4 stars
72 %
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
40
4.3 out of 5
40 user ratings
5 stars
40 %
4 stars
45 %
3 stars
15 %
2 stars
0 %
1 stars
0 %
61
3.9 out of 5
61 user ratings
5 stars
32 %
4 stars
32 %
3 stars
24 %
2 stars
9 %
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 size28.0 in27.9 in28.0 in
Brightness330.0 cd/m²300.0 cd/m²370.0 cd/m²
Aspect ratio16:916:916:9

Design

Colour of productBlack
  • Black,Grey
  • Grey
Black,Metallic
Panel design
N/A
FlatFlat
Built-in USB hub
N/A
nono
Built-in camera
N/A
nono
Built-in speakers
N/A
yesno
Touchscreen
N/A
N/A
no
Screen surface
N/A
N/A
Matte

Connectivity

DisplayPortyesyesyes
HDMIyesyesyes
USB connectors (total)
N/A
1
N/A
DVI Port
N/A
nono
HDCP
N/A
yes
N/A
HDMI ports quantity
N/A
22
Number of HDMI inputs
N/A
22
HDMI version
N/A
2.02.0
Headphone output
N/A
yesyes
Headphone outputs quantity
N/A
11
VGA in
N/A
yesno
DisplayPort version
N/A
1.41.2
Analogue 3.5mm input
N/A
N/A
0
Component input (YPbPr/YCbCr)
N/A
N/A
no
Number of component inputs
N/A
N/A
0
Composite input
N/A
N/A
no
Number of composite inputs
N/A
N/A
0
S-video input
N/A
N/A
no
Number of s-video inputs
N/A
N/A
0
Thunderbolt
N/A
N/A
no
USB for video
N/A
N/A
no
Number of DisplayPort inputs
N/A
N/A
1
Number of DisplayPort outputs
N/A
N/A
0
Type of DisplayPort connector
N/A
N/A
Standard

Image properties

Maximum resolution3840 x 2160 px3840 x 2160 px3840 x 2160 px
Refresh rate75.0 Hz60.0 Hz60.0 Hz
Display technologyLCDLEDLED
BacklightLED backlightLEDLED backlight
Panel typeTNTNTN
Response time (GtG)1.0 ms1.0 ms1.0 ms
Pixel size0.01 in0.01 in0.01 in
Viewing angle (horizontal)170.0 °170.0 °170.0 °
Viewing angle (vertical)160.0 °160.0 °160.0 °
Supported graphics resolutions
N/A
3840 x 21603840 x 2160
HD type
N/A
4K Ultra HD4K Ultra HD
Display number of colours
N/A
1.073 billion colours1.07 billion colours
Colour gamut (Adobe RGB)
N/A
72.0 %72.0 %
Colour gamut (NTSC)
N/A
72.0 %72.0 %
Dynamic contrast ratio
N/A
12000000:110000:1
Contrast ratio
N/A
1000:11000:1
Response time
N/A
1.0 ms1.0 ms
Colour depth (per channel)
N/A
N/A
10.0 bit
Response time (BtW)
N/A
N/A
1.0 ms
Picture-in-Picture (PIP)
N/A
N/A
yes

Features

Ascendable and submersiblenoyesno
Tiltableyesyesyes
Cable lock slot
N/A
yesno
Flicker free
N/A
yesyes
Pivot function
N/A
N/A
no
Swivel
N/A
N/A
no
Memory card reader
N/A
N/A
no

Compatibility

Adaptive synchronizationyesyesyes
VESA mountyesyesyes
Type of VESA mount100x100mm
N/A
75x75mm
Sync technologyAMD FreesyncAMD FreesyncAMD Freesync
HDR
N/A
yesno
3D support (3D-Ready)
N/A
N/A
no

Power

Energy efficiency classGGG
Power consumption (typical)
N/A
55.0 W38.0 W
Connecting 9V/12V/14V
N/A
N/A
None
Operational power consumption
N/A
N/A
< 29.6
Power consumption (standby)
N/A
N/A
0.3 W

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