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Acer Predator XB271HUA Monitor
Acer Predator XB271HUA
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AOC AG271QG Monitor
AOC AG271QG
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HP P19b G4 Monitor
HP P19b G4
Available colors
Editiorial reviews
11
4.5 out of 5
6 user ratings
5 stars
50 %
4 stars
50 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
19
4.2 out of 5
10 user ratings
5 stars
50 %
4 stars
50 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
User rating
33
4.2 out of 5
33 user ratings
5 stars
39 %
4 stars
42 %
3 stars
18 %
2 stars
0 %
1 stars
0 %
37
4.2 out of 5
37 user ratings
5 stars
43 %
4 stars
37 %
3 stars
18 %
2 stars
0 %
1 stars
0 %
4
4.8 out of 5
4 user ratings
5 stars
75 %
4 stars
25 %
3 stars
0 %
2 stars
0 %
1 stars
0 %

General

Screen size27.0 in27.0 in18.5 in
Brightness350.0 cd/m²350.0 cd/m²200.0 cd/m²
Aspect ratio16:916:916:9

Design

Colour of productBlackBlack,RedBlack
Panel designFlatFlatFlat
Built-in USB hubnoyesno
Built-in cameranonono
Built-in speakersyesyes
N/A
Touchscreen
N/A
no
N/A
Screen surface
N/A
Matte
N/A

Dimensions

Height adjustment5.91 in5.12 in
N/A
Height (without stand)14.45 in13.19 in10.94 in
Height with stand21.69 in17.05 in13.61 in
Depth (with stand)10.55 in8.58 in6.18 in
Width (with stand)24.17 in24.53 in17.38 in
Weight246.92 oz239.86 oz0.09 oz
Depth (without stand)
N/A
N/A
2.0 in

Connectivity

HDMI ports quantity111
Analogue 3.5mm input
N/A
0
N/A
Number of USB 2.0 port
N/A
0
N/A
Number of USB 3.0 ports
N/A
4
N/A
USB connectors (total)
N/A
4
N/A
Component input (YPbPr/YCbCr)
N/A
no
N/A
Number of component inputs
N/A
0
N/A
Composite input
N/A
no
N/A
Number of composite inputs
N/A
0
N/A
DisplayPort
N/A
yes
N/A
DVI Port
N/A
nono
HDCP
N/A
yesyes
HDMI
N/A
yesyes
Number of HDMI inputs
N/A
1
N/A
HDMI version
N/A
1.41.4
Headphone output
N/A
yesno
Headphone outputs quantity
N/A
1
N/A
S-video input
N/A
no
N/A
Number of s-video inputs
N/A
0
N/A
Thunderbolt
N/A
no
N/A
USB for video
N/A
no
N/A
VGA in
N/A
no
N/A
Number of DisplayPort inputs
N/A
1
N/A
Number of DisplayPort outputs
N/A
0
N/A
DisplayPort version
N/A
1.2
N/A
MHL
N/A
no
N/A
VGA (D-Sub) ports quantity
N/A
N/A
1

Image properties

HD typeWide Quad HDQuad HDWXGA
Display number of colours16.78 million colours16.78 million colours16.78 million colours
Display technologyLCDLEDLED
BacklightLED backlightWLEDLED backlight
Panel typeTNIPSTN
Response time1.0 ms4.0 ms5.0 ms
Viewing angle (horizontal)170.0 °178.0 °90.0 °
Maximum resolution
N/A
2560 x 1440 px
N/A
Supported graphics resolutions
N/A
2560x1440
  • 640 x 480
  • 720 x 400
  • 800 x 600
  • 1024 x 768
  • 1280 x 720
  • 1366 х 768
Refresh rate
N/A
165.0 Hz60.0 Hz
Colour depth (per channel)
N/A
8.0 bit
N/A
Dynamic contrast ratio
N/A
50000000:18000000:1
Contrast ratio
N/A
1000:1
N/A
Response time (GtG)
N/A
4.0 ms
N/A
Response time (BtW)
N/A
4.0 ms
N/A
Picture-in-Picture (PIP)
N/A
no
N/A
Pixel size
N/A
0.01 in
N/A
Viewing angle (vertical)
N/A
178.0 °65.0 °
Colour gamut (Adobe RGB)
N/A
N/A
72.0 %
Colour gamut (NTSC)
N/A
N/A
72.0 %

Features

Pivot functionyesyesno
Swivelyesyes
N/A
Tiltableyesyes
N/A
Cable lock slotnoyesyes
Ascendable and submersible
N/A
yes
N/A
Memory card reader
N/A
no
N/A
Flicker free
N/A
yes
N/A
Plug and Play
N/A
yesyes

Eco-labelling

EnergyStaryesyesyes
EPEAT
N/A
N/A
Silver

Power

Energy efficiency classCCC
Power consumption (standby)4.7 W0.5 W0.5 W
Connecting 9V/12V/14V
N/A
None
N/A
Operational power consumption
N/A
< 45
N/A
Power consumption (typical)
N/A
45.0 W9.0 W