Compare 4 products

General
Screen size	27.9 in	21.3 in	27.0 in	28.0 in
Brightness	300.0 cd/m²	N/A	250.0 cd/m²	370.0 cd/m²
Aspect ratio	16:9	3:4	16:9	16:9

General

Screen size

27.9 in

21.3 in

27.0 in

28.0 in

Brightness

300.0 cd/m²

250.0 cd/m²

370.0 cd/m²

Aspect ratio

16:9

3:4

16:9

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

Design

Colour of product

Black,Grey
Grey

Black

Black,Metallic

Panel design

Flat

Built-in USB hub

yes

Built-in camera

Built-in speakers

yes

Touchscreen

Screen surface

Matte

Dimensions
Height (min-max)	< 476	N/A	< 455.7	< 468.5
Height (without stand)	25.9 in	N/A	14.8 in	15.01 in
Depth (with stand)	5.89 in	7.87 in	7.96 in	7.37 in
Depth (without stand)	5.89 in	N/A	2.41 in	2.89 in
Width (with stand)	18.75 in	14.21 in	24.9 in	26.02 in
Weight	0.25 oz	0.29 oz	197.53 oz	0.19 oz
Height adjustment	N/A	3.54 in	N/A	N/A
Height with stand	N/A	18.98 in	18.25 in	18.44 in
Weight (without stand)	N/A	N/A	11.02 lb	10.38 lb

Dimensions

Height (min-max)

< 476

< 455.7

< 468.5

Height (without stand)

25.9 in

14.8 in

15.01 in

Depth (with stand)

5.89 in

7.87 in

7.96 in

7.37 in

Depth (without stand)

5.89 in

2.41 in

2.89 in

Width (with stand)

18.75 in

14.21 in

24.9 in

26.02 in

Weight

0.25 oz

0.29 oz

197.53 oz

0.19 oz

Height adjustment

3.54 in

Height with stand

18.98 in

18.25 in

18.44 in

Weight (without stand)

11.02 lb

10.38 lb

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

Connectivity

USB connectors (total)

DisplayPort

yes

DVI Port

yes

HDCP

yes

HDMI

yes

HDMI ports quantity

Number of HDMI inputs

HDMI version

2.0

Headphone output

yes

Headphone outputs quantity

VGA in

yes

DisplayPort version

1.4

1.2

DVI-D ports quantity

Analogue 3.5mm input

Component input (YPbPr/YCbCr)

Number of component inputs

Composite input

Number of composite inputs

S-video input

Number of s-video inputs

Thunderbolt

USB for video

Number of DisplayPort inputs

Number of DisplayPort outputs

Type of DisplayPort connector

Standard

MHL

Image properties
Maximum resolution	3840 x 2160 px	1200 x 1600 px	3840 x 2160 px	3840 x 2160 px
Supported graphics resolutions	3840 x 2160	N/A	3840x2160	3840 x 2160
Refresh rate	60.0 Hz	N/A	60.0 Hz	60.0 Hz
HD type	4K Ultra HD	Not supported	4K Ultra HD	4K Ultra HD
Display number of colours	1.073 billion colours	16.7 million colours	1.073 billion colours	1.07 billion colours
Colour gamut (Adobe RGB)	72.0 %	N/A	99.0 %	72.0 %
Colour gamut (NTSC)	72.0 %	N/A	72.0 %	72.0 %
Dynamic contrast ratio	12000000:1	N/A	N/A	10000:1
Contrast ratio	1000:1	1400:1	1000:1	1000:1
Display technology	LED	LCD	LED	LED
Backlight	LED	LED	WLED	LED backlight
Panel type	TN	IPS	AH-IPS	TN
Response time (GtG)	1.0 ms	N/A	5.0 ms	1.0 ms
Response time	1.0 ms	20.0 ms	5.0 ms	1.0 ms
Pixel size	0.01 in	N/A	0.01 in	0.01 in
Viewing angle (horizontal)	170.0 °	178.0 °	178.0 °	170.0 °
Viewing angle (vertical)	160.0 °	178.0 °	178.0 °	160.0 °
Colour depth (per channel)	N/A	10.0 bit	10.0 bit	10.0 bit
Picture-in-Picture (PIP)	N/A	N/A	yes	yes
Response time (BtW)	N/A	N/A	N/A	1.0 ms

Image properties

Maximum resolution

3840 x 2160 px

1200 x 1600 px

3840 x 2160 px

Supported graphics resolutions

3840 x 2160

3840x2160

3840 x 2160

Refresh rate

60.0 Hz

HD type

4K Ultra HD

Not supported

4K Ultra HD

Display number of colours

1.073 billion colours

16.7 million colours

1.073 billion colours

1.07 billion colours

Colour gamut (Adobe RGB)

72.0 %

99.0 %

72.0 %

Colour gamut (NTSC)

72.0 %

Dynamic contrast ratio

12000000:1

10000:1

Contrast ratio

1000:1

1400:1

1000:1

Display technology

LED

LCD

LED

Backlight

LED

WLED

LED backlight

Panel type

IPS

AH-IPS

Response time (GtG)

1.0 ms

5.0 ms

1.0 ms

Response time

1.0 ms

20.0 ms

5.0 ms

1.0 ms

Pixel size

0.01 in

Viewing angle (horizontal)

170.0 °

178.0 °

170.0 °

Viewing angle (vertical)

160.0 °

178.0 °

160.0 °

Colour depth (per channel)

10.0 bit

Picture-in-Picture (PIP)

yes

Response time (BtW)

1.0 ms

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

Compatibility

Adaptive synchronization

yes

HDR

yes

VESA mount

yes

Sync technology

AMD Freesync

3D support (3D-Ready)

Type of VESA mount

100x100mm

75x75mm

Power
Energy efficiency class	G	N/A	A	G
Power consumption (typical)	55.0 W	38.0 W	37.0 W	38.0 W
Power consumption (standby)	N/A	1.0 W	0.5 W	0.3 W
Connecting 9V/12V/14V	N/A	N/A	None	None
Operational power consumption	N/A	N/A	< 30	< 29.6