Compare 4 products

General
Screen size	31.5 in	27.0 in	27.0 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

31.5 in

27.0 in

32.0 in

Brightness

350.0 cd/m²

250.0 cd/m²

Aspect ratio

16:9

Design
Colour of product	Black	Black Grey	Black,Silver	Black
Panel design	Flat	Flat	Flat	Flat
Built-in USB hub	no	yes	yes	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	no	no	N/A

Design

Colour of product

Black

Black
Grey

Black,Silver

Black

Panel design

Flat

Built-in USB hub

yes

Touchscreen

Built-in camera

Screen surface

Matte

Built-in speakers

yes

Dimensions
Height adjustment	5.91 in	5.12 in	4.53 in	N/A
Height (min-max)	< 489	< 445.2	< 409.9	N/A
Height (without stand)	19.25 in	15.62 in	14.31 in	16.71 in
Depth (with stand)	10.08 in	12.71 in	8.07 in	7.62 in
Depth (without stand)	1.38 in	8.32 in	1.83 in	1.65 in
Width (with stand)	29.53 in	25.7 in	24.12 in	28.19 in
Weight	458.56 oz	323.46 oz	260.32 oz	0.23 oz
Height with stand	N/A	22.31 in	20.67 in	20.35 in
Weight (without stand)	N/A	18.3 lb	10.82 lb	N/A

Dimensions

Height adjustment

5.91 in

5.12 in

4.53 in

Height (min-max)

< 489

< 445.2

< 409.9

Height (without stand)

19.25 in

15.62 in

14.31 in

16.71 in

Depth (with stand)

10.08 in

12.71 in

8.07 in

7.62 in

Depth (without stand)

1.38 in

8.32 in

1.83 in

1.65 in

Width (with stand)

29.53 in

25.7 in

24.12 in

28.19 in

Weight

458.56 oz

323.46 oz

260.32 oz

0.23 oz

Height with stand

22.31 in

20.67 in

20.35 in

Weight (without stand)

18.3 lb

10.82 lb

Connectivity
Analogue 3.5mm input	1	1	0	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	yes	no	no
HDCP	yes	yes	N/A	N/A
HDMI	no	yes	yes	yes
Headphone output	yes	yes	yes	no
Microphone input	yes	N/A	N/A	N/A
Headphone outputs quantity	1	1	N/A	N/A
S-video input	no	no	no	N/A
Number of s-video inputs	0	0	0	N/A
Thunderbolt	no	no	no	N/A
USB for video	no	no	no	N/A
VGA in	no	no	no	N/A
Number of DisplayPort inputs	1	1	2	N/A
Number of DisplayPort outputs	0	1	1	N/A
DisplayPort version	1.2	1.2	1.2	N/A
Type of DisplayPort connector	Standard	Standard	Standard	N/A
Number of USB 2.0 port	N/A	0	0	N/A
Number of USB 3.0 ports	N/A	2	5	N/A
USB connectors (total)	N/A	3	6	N/A
DVI-D ports quantity	N/A	1	N/A	N/A
HDMI ports quantity	N/A	1	2	2
Number of HDMI inputs	N/A	1	2	N/A
HDMI version	N/A	1.4	1.4	2.0
MHL	N/A	no	yes	N/A

Connectivity

Analogue 3.5mm input

Component input (YPbPr/YCbCr)

Number of component inputs

Composite input

Number of composite inputs

DisplayPort

yes

DVI Port

yes

HDCP

yes

HDMI

yes

Headphone output

yes

Microphone input

yes

Headphone outputs quantity

S-video input

Number of s-video inputs

Thunderbolt

USB for video

VGA in

Number of DisplayPort inputs

Number of DisplayPort outputs

DisplayPort version

1.2

Type of DisplayPort connector

Standard

Number of USB 2.0 port

Number of USB 3.0 ports

USB connectors (total)

DVI-D ports quantity

HDMI ports quantity

Number of HDMI inputs

HDMI version

1.4

2.0

MHL

yes

Image properties
Maximum resolution	3840 x 2160 px	2560 x 1440 px	2560 x 1440 px	N/A
Supported graphics resolutions	3840x2160	2560x1440	2560x1440	3840 x 2160
Refresh rate	60.0 Hz	60.0 Hz	60.0 Hz	60.0 Hz
HD type	4K Ultra HD	2K Ultra HD	Wide Quad HD	4K Ultra HD
Display number of colours	1.073 billion colours	1.073 billion colours	16.78 million colours	16.7 million colours
Colour depth (per channel)	10.0 bit	10.0 bit	8.0 bit	N/A
Colour gamut (NTSC)	80.0 %	99.0 %	72.0 %	N/A
Contrast ratio	800:1	1000:1	1000:1	N/A
Display technology	LED	LED	LED	N/A
Backlight	LED	LED backlight	LED backlight	LED backlight
Panel type	IGZO	IPS	IPS	VA
Response time (GtG)	8.0 ms	5.0 ms	6.0 ms	N/A
Response time	8.0 ms	5.0 ms	6.0 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)	176.0 °	178.0 °	178.0 °	178.0 °
Viewing angle (vertical)	176.0 °	178.0 °	178.0 °	178.0 °
Colour gamut (Adobe RGB)	N/A	99.0 %	99.0 %	N/A
Dynamic contrast ratio	N/A	20000000:1	12000000:1	N/A
Image delay	N/A	N/A	< 12	N/A

Image properties

Maximum resolution

3840 x 2160 px

2560 x 1440 px

Supported graphics resolutions

3840x2160

2560x1440

3840 x 2160

Refresh rate

60.0 Hz

HD type

4K Ultra HD

2K Ultra HD

Wide Quad HD

4K Ultra HD

Display number of colours

1.073 billion colours

16.78 million colours

16.7 million colours

Colour depth (per channel)

10.0 bit

8.0 bit

Colour gamut (NTSC)

80.0 %

99.0 %

72.0 %

Contrast ratio

800:1

1000:1

Display technology

LED

Backlight

LED

LED backlight

Panel type

IGZO

IPS

Response time (GtG)

8.0 ms

5.0 ms

6.0 ms

Response time

8.0 ms

5.0 ms

6.0 ms

8.0 ms

Picture-in-Picture (PIP)

Pixel size

0.01 in

Viewing angle (horizontal)

176.0 °

178.0 °

Viewing angle (vertical)

176.0 °

178.0 °

Colour gamut (Adobe RGB)

99.0 %

Dynamic contrast ratio

20000000:1

12000000:1

Image delay

< 12

Compatibility
3D support (3D-Ready)	no	no	no	N/A
Adaptive synchronization	no	no	no	N/A
HDR	no	no	no	yes
VESA mount	yes	yes	yes	yes
Type of VESA mount	200x200mm	100x100mm	100x100mm	100x100mm

Compatibility

3D support (3D-Ready)

Adaptive synchronization

HDR

yes

VESA mount

yes

Type of VESA mount

200x200mm

100x100mm

Power
Connecting 9V/12V/14V	None	None	None	N/A
Operational power consumption	< 93	< 36.7	36 - 88	N/A
Power consumption (standby)	1.0 W	0.5 W	0.5 W	N/A
Power consumption (typical)	93.0 W	36.7 W	36.0 W	40.0 W
Energy efficiency class	N/A	G	B	G