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Compare 5 products

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Asus PQ321QE Monitor
Asus PQ321QE
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HP P19b G4 Monitor
HP P19b G4
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Iiyama ProLite E1980SD-B1 Monitor
Iiyama ProLite E1980SD-B1
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Samsung C34F791WQU Monitor
Samsung C34F791WQU
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Samsung C34H890W Monitor
Samsung C34H890W
Available colors

General

Screen size31.5 in18.5 in19.0 in34.0 in34.0 in
Brightness350.0 cd/m²200.0 cd/m²250.0 cd/m²250.0 cd/m²300.0 cd/m²
Aspect ratio16:916:95:421:921:9

Design

Colour of productBlackBlack
  • Black
  • Blue
White
  • Black
  • Silver
Panel designFlatFlatFlatCurvedCurved
Built-in USB hubnono
N/A
yesyes
Touchscreenno
N/A
nonono
Built-in cameranono
N/A
nono
Screen surfaceMatte
N/A
N/A
MatteMatte
Built-in speakersyes
N/A
yesyesno

Dimensions

Height adjustment5.91 in
N/A
N/A
3.94 in5.31 in
Height (min-max)< 489
N/A
N/A
< 516538.9 - 673.9
Height (without stand)19.25 in10.94 in
N/A
14.28 in14.25 in
Depth (with stand)10.08 in6.18 in
N/A
12.18 in11.76 in
Depth (without stand)1.38 in2.0 in
N/A
6.57 in4.85 in
Width (with stand)29.53 in17.38 in16.18 in31.84 in31.84 in
Weight458.56 oz0.09 oz
N/A
0.27 oz278.66 oz
Height with stand
N/A
13.61 in
N/A
20.31 in
N/A
Weight (without stand)
N/A
N/A
N/A
13.45 lb13.89 lb

Connectivity

Analogue 3.5mm input1
N/A
N/A
00
Component input (YPbPr/YCbCr)no
N/A
N/A
nono
Number of component inputs0
N/A
N/A
00
Composite inputno
N/A
N/A
nono
Number of composite inputs0
N/A
N/A
00
DisplayPortyes
N/A
noyesyes
DVI Portnonoyesnono
HDCPyesyesyes
N/A
N/A
HDMInoyesyesyesyes
Headphone outputyesno
N/A
yesyes
Microphone inputyes
N/A
N/A
N/A
N/A
Headphone outputs quantity1
N/A
N/A
1
N/A
S-video inputno
N/A
N/A
nono
Number of s-video inputs0
N/A
N/A
00
Thunderboltno
N/A
N/A
nono
USB for videono
N/A
N/A
noyes
VGA inno
N/A
yesnono
Number of DisplayPort inputs1
N/A
N/A
11
Number of DisplayPort outputs0
N/A
N/A
00
DisplayPort version1.2
N/A
N/A
1.2a1.2
Type of DisplayPort connectorStandard
N/A
N/A
StandardStandard
HDMI ports quantity
N/A
1
N/A
2
N/A
HDMI version
N/A
1.4
N/A
2.02.0
VGA (D-Sub) ports quantity
N/A
1
N/A
N/A
N/A
DVI-D ports quantity
N/A
N/A
1
N/A
N/A
Number of USB 2.0 port
N/A
N/A
N/A
0
N/A
Number of USB 3.0 ports
N/A
N/A
N/A
24
USB connectors (total)
N/A
N/A
N/A
24
Number of HDMI inputs
N/A
N/A
N/A
21
MHL
N/A
N/A
N/A
nono
Type of USB connector
N/A
N/A
N/A
N/A
Type-C

Image properties

Maximum resolution3840 x 2160 px
N/A
1280 x 1024 px3440 x 1440 px3440 x 1440 px
Supported graphics resolutions3840x2160
  • 640 x 480
  • 720 x 400
  • 800 x 600
  • 1024 x 768
  • 1280 x 720
  • 1366 х 768
N/A
3440 x 1440
N/A
Refresh rate60.0 Hz60.0 Hz75.0 Hz100.0 Hz100.0 Hz
HD type4K Ultra HDWXGA
N/A
Ultra-Wide Quad HD
N/A
Display number of colours1.073 billion colours16.78 million colours
N/A
16.78 million colours
N/A
Colour depth (per channel)10.0 bit
N/A
N/A
8.0 bit
N/A
Colour gamut (NTSC)80.0 %72.0 %
N/A
88.0 %
N/A
Contrast ratio800:1
N/A
1000:13000:13000:1
Display technologyLEDLEDLCDLEDLCD
BacklightLEDLED backlightLEDLEDLED
Panel typeIGZOTNTNVAVA
Response time (GtG)8.0 ms
N/A
N/A
4.0 ms4.0 ms
Response time8.0 ms5.0 ms2.0 ms4.0 ms
N/A
Picture-in-Picture (PIP)no
N/A
N/A
yesyes
Pixel size0.01 in
N/A
0.01 in0.01 in0.01 in
Viewing angle (horizontal)176.0 °90.0 °170.0 °178.0 °178.0 °
Viewing angle (vertical)176.0 °65.0 °160.0 °178.0 °178.0 °
Colour gamut (Adobe RGB)
N/A
72.0 %
N/A
88.0 %
N/A
Dynamic contrast ratio
N/A
8000000:15000000:1100000000:1100000000:1
Response time (BtW)
N/A
N/A
2.0 ms
N/A
N/A
Image delay
N/A
N/A
N/A
< 26
N/A

Compatibility

3D support (3D-Ready)no
N/A
N/A
nono
Adaptive synchronizationno
N/A
noyesyes
HDRno
N/A
nonono
VESA mountyesyesyesyesyes
Type of VESA mount200x200mm100x100mm100x100mm
  • 200x200mm
  • 100x100mm
100x100mm
Sync technology
N/A
N/A
N/A
AMD FreesyncAMD Freesync

Power

Connecting 9V/12V/14VNone
N/A
N/A
14VNone
Operational power consumption< 93
N/A
< 1655 - 7357 - 175
Power consumption (standby)1.0 W0.5 W1.0 W0.3 W0.3 W
Power consumption (typical)93.0 W9.0 W
N/A
70.0 W
N/A
Energy efficiency class
N/A
C
N/A
C
N/A