Compare 4 products

General
Screen size	27.0 in	27.0 in	31.5 in	32.0 in
Brightness	350.0 cd/m²	350.0 cd/m²	350.0 cd/m²	250.0 cd/m²
Aspect ratio	16:9	16:9	16:9	16:9

General

Screen size

27.0 in

31.5 in

32.0 in

Brightness

350.0 cd/m²

250.0 cd/m²

Aspect ratio

16:9

Design
Colour of product	Black Black,Red	Black	Black	Black
Panel design	Flat	Flat	Flat	Flat
Built-in USB hub	yes	yes	no	yes
Touchscreen	no	no	no	N/A
Built-in camera	no	no	no	N/A
Screen surface	Matte	Matte	Matte	N/A
Built-in speakers	yes	yes	yes	N/A

Design

Colour of product

Black
Black,Red

Black

Panel design

Flat

Built-in USB hub

yes

Touchscreen

Built-in camera

Screen surface

Matte

Built-in speakers

yes

Dimensions
Height adjustment	5.0 in	5.91 in	5.91 in	N/A
Height (min-max)	< 401	< 559	< 489	N/A
Height (without stand)	14.45 in	14.49 in	19.25 in	16.71 in
Depth (with stand)	9.65 in	9.37 in	10.08 in	7.62 in
Depth (without stand)	2.4 in	2.48 in	1.38 in	1.65 in
Width (with stand)	24.57 in	24.61 in	29.53 in	28.19 in
Weight (without stand)	10.14 lb	N/A	N/A	N/A
Weight	282.19 oz	257.5 oz	458.56 oz	0.23 oz
Height with stand	N/A	22.01 in	N/A	20.35 in

Dimensions

Height adjustment

5.0 in

5.91 in

Height (min-max)

< 401

< 559

< 489

Height (without stand)

14.45 in

14.49 in

19.25 in

16.71 in

Depth (with stand)

9.65 in

9.37 in

10.08 in

7.62 in

Depth (without stand)

2.4 in

2.48 in

1.38 in

1.65 in

Width (with stand)

24.57 in

24.61 in

29.53 in

28.19 in

Weight (without stand)

10.14 lb

Weight

282.19 oz

257.5 oz

458.56 oz

0.23 oz

Height with stand

22.01 in

20.35 in

Connectivity
Analogue 3.5mm input	0	0	1	N/A
Number of USB 2.0 port	0	0	N/A	N/A
Number of USB 3.0 ports	4	2	N/A	N/A
USB connectors (total)	4	2	N/A	N/A
Component input (YPbPr/YCbCr)	no	no	no	N/A
Number of component inputs	0	0	0	N/A
Composite input	no	no	no	N/A
Number of composite inputs	0	0	0	N/A
DisplayPort	yes	yes	yes	N/A
DVI Port	no	no	no	no
HDMI	yes	yes	no	yes
HDMI ports quantity	1	2	N/A	2
Number of HDMI inputs	1	2	N/A	N/A
HDMI version	1.4	1.4	N/A	2.0
Headphone output	no	no	yes	no
S-video input	no	no	no	N/A
Number of s-video inputs	0	0	0	N/A
Thunderbolt	no	no	no	N/A
VGA in	no	no	no	N/A
Number of DisplayPort inputs	1	2	1	N/A
Number of DisplayPort outputs	0	0	0	N/A
DisplayPort version	1.2	1.2	1.2	N/A
Type of DisplayPort connector	Standard	Standard	Standard	N/A
HDCP	N/A	yes	yes	N/A
USB for video	N/A	no	no	N/A
MHL	N/A	yes	N/A	N/A
Microphone input	N/A	N/A	yes	N/A
Headphone outputs quantity	N/A	N/A	1	N/A

Connectivity

Analogue 3.5mm input

Number of USB 2.0 port

Number of USB 3.0 ports

USB connectors (total)

Component input (YPbPr/YCbCr)

Number of component inputs

Composite input

Number of composite inputs

DisplayPort

yes

DVI Port

HDMI

yes

HDMI ports quantity

Number of HDMI inputs

HDMI version

1.4

2.0

Headphone output

yes

S-video input

Number of s-video inputs

Thunderbolt

VGA in

Number of DisplayPort inputs

Number of DisplayPort outputs

DisplayPort version

1.2

Type of DisplayPort connector

Standard

HDCP

yes

USB for video

MHL

yes

Microphone input

yes

Headphone outputs quantity

Image properties
Maximum resolution	2560 x 1440 px	2560 x 1440 px	3840 x 2160 px	N/A
Supported graphics resolutions	2560x1440	2560x1440	3840x2160	3840 x 2160
Refresh rate	165.0 Hz	144.0 Hz	60.0 Hz	60.0 Hz
HD type	Wide Quad HD	Wide Quad HD	4K Ultra HD	4K Ultra HD
Display number of colours	16.78 million colours	16.78 million colours	1.073 billion colours	16.7 million colours
Colour depth (per channel)	8.0 bit	8.0 bit	10.0 bit	N/A
Colour gamut (Adobe RGB)	73.0 %	100.0 %	N/A	N/A
Dynamic contrast ratio	100000000:1	100000000:1	N/A	N/A
Contrast ratio	1000:1	1000:1	800:1	N/A
Display technology	LED	LED	LED	N/A
Backlight	LED	WLED	LED	LED backlight
Panel type	IPS	IPS	IGZO	VA
Response time (GtG)	4.0 ms	4.0 ms	8.0 ms	N/A
Response time (BtW)	4.0 ms	N/A	N/A	N/A
Response time	4.0 ms	4.0 ms	8.0 ms	8.0 ms
Picture-in-Picture (PIP)	no	no	no	no
Pixel size	0.01 in	0.01 in	0.01 in	N/A
Viewing angle (horizontal)	178.0 °	178.0 °	176.0 °	178.0 °
Viewing angle (vertical)	178.0 °	178.0 °	176.0 °	178.0 °
Colour gamut (NTSC)	N/A	100.0 %	80.0 %	N/A

Image properties

Maximum resolution

2560 x 1440 px

3840 x 2160 px

Supported graphics resolutions

2560x1440

3840x2160

3840 x 2160

Refresh rate

165.0 Hz

144.0 Hz

60.0 Hz

HD type

Wide Quad HD

4K Ultra HD

Display number of colours

16.78 million colours

1.073 billion colours

16.7 million colours

Colour depth (per channel)

8.0 bit

10.0 bit

Colour gamut (Adobe RGB)

73.0 %

100.0 %

Dynamic contrast ratio

100000000:1

Contrast ratio

1000:1

800:1

Display technology

LED

Backlight

LED

WLED

LED

LED backlight

Panel type

IPS

IGZO

Response time (GtG)

4.0 ms

8.0 ms

Response time (BtW)

4.0 ms

Response time

4.0 ms

8.0 ms

Picture-in-Picture (PIP)

Pixel size

0.01 in

Viewing angle (horizontal)

178.0 °

176.0 °

178.0 °

Viewing angle (vertical)

178.0 °

176.0 °

178.0 °

Colour gamut (NTSC)

100.0 %

80.0 %

Compatibility
3D support (3D-Ready)	no	no	no	N/A
Adaptive synchronization	yes	yes	no	N/A
HDR	no	no	no	yes
VESA mount	no	yes	yes	yes
Type of VESA mount	100x100mm	100x100mm	200x200mm	100x100mm
Sync technology	Nvidia G-sync	AMD Freesync	N/A	N/A

Compatibility

3D support (3D-Ready)

Adaptive synchronization

yes

HDR

yes

VESA mount

yes

Type of VESA mount

100x100mm

200x200mm

100x100mm

Sync technology

Nvidia G-sync

AMD Freesync

Power
Energy efficiency class	B	B	N/A	G
Connecting 9V/12V/14V	None	None	None	N/A
Operational power consumption	< 72	< 38.7	< 93	N/A
Power consumption (standby)	0.5 W	0.5 W	1.0 W	N/A
Power consumption (typical)	41.0 W	38.7 W	93.0 W	40.0 W