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Compare 5 products

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Acer ET322QK Monitor
Acer ET322QK
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BenQ EW3270U Monitor
BenQ EW3270U
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Dell S3221QS Monitor
Dell S3221QS
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LG 27UD58P Monitor
LG 27UD58P
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Samsung U28E590D Monitor
Samsung U28E590D
Available colors

General

Screen size31.5 in31.5 in32.0 in27.0 in28.0 in
Brightness300.0 cd/m²300.0 cd/m²300.0 cd/m²250.0 cd/m²370.0 cd/m²
Aspect ratio16:916:916:916:916:9

Design

Colour of productWhite
  • Black
  • Black,Grey,Metallic
Black,Grey
  • Black
  • White
Black,Metallic
Panel designFlatFlatCurved
N/A
Flat
Built-in USB hubnoyesyesnono
Built-in cameranonono
N/A
no
Built-in speakersyesyes
N/A
N/A
no
Touchscreen
N/A
N/A
N/A
nono
Screen surface
N/A
N/A
N/A
MatteMatte

Dimensions

Height (without stand)9.69 in
N/A
16.72 in14.8 in15.01 in
Height with stand20.84 in20.56 in20.4 in
N/A
18.44 in
Depth (with stand)9.71 in8.46 in8.15 in9.93 in7.37 in
Depth (without stand)20.91 in
N/A
2.52 in1.69 in2.89 in
Width (with stand)28.7 in28.6 in27.92 in24.9 in26.02 in
Weight0.24 oz264.55 oz0.37 oz257.5 oz0.19 oz
Height adjustment
N/A
N/A
2.76 in5.12 in
N/A
Height (min-max)
N/A
N/A
N/A
N/A
< 468.5
Weight (without stand)
N/A
N/A
N/A
N/A
10.38 lb

Connectivity

DVI Portnonononono
HDMIyesyesyesyesyes
HDMI ports quantity222
N/A
2
HDMI version2.0a2.0
N/A
2.02.0
Headphone outputnoyesnoyesyes
DisplayPort
N/A
yes
N/A
yesyes
HDCP
N/A
yes
N/A
N/A
N/A
Headphone outputs quantity
N/A
1
N/A
N/A
1
DisplayPort version
N/A
1.41.21.21.2
Number of HDMI inputs
N/A
N/A
N/A
22
Thunderbolt
N/A
N/A
N/A
nono
Number of DisplayPort inputs
N/A
N/A
N/A
11
Number of DisplayPort outputs
N/A
N/A
N/A
10
Analogue 3.5mm input
N/A
N/A
N/A
N/A
0
Component input (YPbPr/YCbCr)
N/A
N/A
N/A
N/A
no
Number of component inputs
N/A
N/A
N/A
N/A
0
Composite input
N/A
N/A
N/A
N/A
no
Number of composite inputs
N/A
N/A
N/A
N/A
0
S-video input
N/A
N/A
N/A
N/A
no
Number of s-video inputs
N/A
N/A
N/A
N/A
0
USB for video
N/A
N/A
N/A
N/A
no
VGA in
N/A
N/A
N/A
N/A
no
Type of DisplayPort connector
N/A
N/A
N/A
N/A
Standard

Image properties

Supported graphics resolutions3840 x 2160
  • 1920 x 1080
  • 3860 x 2160
3840 x 2160
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 colours1.073 billion colours1.073 billion colours
N/A
1.07 billion colours
Display technologyLEDLEDLCDLCDLED
BacklightLED backlightLEDLEDLEDLED backlight
Panel typeIPSVAVAIPSTN
Response time4.0 ms4.0 ms4.0 ms
N/A
1.0 ms
Viewing angle (horizontal)178.0 °178.0 °178.0 °178.0 °170.0 °
Viewing angle (vertical)178.0 °178.0 °178.0 °178.0 °160.0 °
Maximum resolution
N/A
3840 x 2160 px
N/A
3840 x 2160 px3840 x 2160 px
Colour depth (per channel)
N/A
10.0 bit
N/A
8.0 bit10.0 bit
Colour gamut (Adobe RGB)
N/A
95.0 %
N/A
N/A
72.0 %
Dynamic contrast ratio
N/A
20000000:1
N/A
N/A
10000:1
Contrast ratio
N/A
3000:1
N/A
1000:11000:1
Picture-in-Picture (PIP)
N/A
N/A
yes
N/A
yes
Colour gamut (NTSC)
N/A
N/A
N/A
72.0 %72.0 %
Response time (GtG)
N/A
N/A
N/A
5.0 ms1.0 ms
Pixel size
N/A
N/A
N/A
0.01 in0.01 in
Response time (BtW)
N/A
N/A
N/A
N/A
1.0 ms

Compatibility

3D support (3D-Ready)no
N/A
N/A
N/A
no
VESA mountyesyesyesyesyes
Type of VESA mount
N/A
N/A
100x100mm
N/A
75x75mm
Adaptive synchronization
N/A
N/A
N/A
yesyes
HDR
N/A
N/A
N/A
nono
Sync technology
N/A
N/A
N/A
AMD FreesyncAMD Freesync

Power

Energy efficiency classBGG
N/A
G
Power consumption (standby)0.45 W0.4 W0.2 W0.3 W0.3 W
Power consumption (typical)47.0 W76.0 W38.5 W
N/A
38.0 W
Connecting 9V/12V/14V
N/A
N/A
N/A
N/A
None
Operational power consumption
N/A
N/A
N/A
N/A
< 29.6

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