Compare 4 products

General
Screen size	27.0 in	27.0 in	28.0 in	28.0 in
Brightness	250.0 cd/m²	250.0 cd/m²	370.0 cd/m²	370.0 cd/m²
Aspect ratio	16:9	16:9	16:9	16:9

General

Screen size

27.0 in

28.0 in

Brightness

250.0 cd/m²

370.0 cd/m²

Aspect ratio

16:9

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

Design

Colour of product

Black

Black
Black,Silver

Black,Metallic

Panel design

Flat

Built-in USB hub

Built-in camera

Screen surface

Matte

Built-in speakers

yes

Touchscreen

Dimensions
Height adjustment	5.12 in	5.12 in	N/A	N/A
Height (without stand)	14.02 in	14.8 in	2.55 in	15.01 in
Height with stand	17.94 in	16.02 in	6.67 in	18.44 in
Depth (with stand)	7.33 in	9.83 in	19.15 in	7.37 in
Width (with stand)	24.21 in	24.9 in	26.02 in	26.02 in
Weight	172.84 oz	253.97 oz	0.18 oz	0.19 oz
Height (min-max)	N/A	N/A	< 486.3	< 468.5
Depth (without stand)	N/A	N/A	16.14 in	2.89 in
Weight (without stand)	N/A	N/A	11.13 lb	10.38 lb

Dimensions

Height adjustment

5.12 in

Height (without stand)

14.02 in

14.8 in

2.55 in

15.01 in

Height with stand

17.94 in

16.02 in

6.67 in

18.44 in

Depth (with stand)

7.33 in

9.83 in

19.15 in

7.37 in

Width (with stand)

24.21 in

24.9 in

26.02 in

Weight

172.84 oz

253.97 oz

0.18 oz

0.19 oz

Height (min-max)

< 486.3

< 468.5

Depth (without stand)

16.14 in

2.89 in

Weight (without stand)

11.13 lb

10.38 lb

Connectivity
DVI Port	no	no	no	no
HDMI ports quantity	2	2	2	2
Component input (YPbPr/YCbCr)	N/A	no	no	no
Composite input	N/A	no	no	no
DisplayPort	N/A	yes	yes	yes
HDCP	N/A	yes	N/A	N/A
HDMI	N/A	yes	yes	yes
Number of HDMI inputs	N/A	2	2	2
HDMI version	N/A	2.0	2.0	2.0
Headphone output	N/A	yes	yes	yes
Headphone outputs quantity	N/A	1	1	1
S-video input	N/A	no	no	no
Thunderbolt	N/A	no	no	no
USB for video	N/A	no	no	no
VGA in	N/A	no	no	no
Number of DisplayPort inputs	N/A	1	1	1
DisplayPort version	N/A	1.2	1.0	1.2
Type of DisplayPort connector	N/A	Standard	Standard	Standard
MHL	N/A	no	no	N/A
Analogue 3.5mm input	N/A	N/A	1	0
Number of component inputs	N/A	N/A	0	0
Number of composite inputs	N/A	N/A	0	0
Number of s-video inputs	N/A	N/A	0	0
Ethernet LAN	N/A	N/A	no	N/A
Number of DisplayPort outputs	N/A	N/A	N/A	0

Connectivity

DVI Port

HDMI ports quantity

Component input (YPbPr/YCbCr)

Composite input

DisplayPort

yes

HDCP

yes

HDMI

yes

Number of HDMI inputs

HDMI version

2.0

Headphone output

yes

Headphone outputs quantity

S-video input

Thunderbolt

USB for video

VGA in

Number of DisplayPort inputs

DisplayPort version

1.2

1.0

1.2

Type of DisplayPort connector

Standard

MHL

Analogue 3.5mm input

Number of component inputs

Number of composite inputs

Number of s-video inputs

Ethernet LAN

Number of DisplayPort outputs

Image properties
Supported graphics resolutions	3840x2160	3840x2160	3840x2160	3840 x 2160
HD type	4K Ultra HD	4K Ultra HD	4K Ultra HD	4K Ultra HD
Display number of colours	1.073 billion colours	N/A	1.073 billion colours	1.07 billion colours
Display technology	LED	LED	LED	LED
Backlight	WLED	LED	LED backlight	LED backlight
Panel type	AH-IPS	IPS	TN	TN
Response time	5.0 ms	5.0 ms	1.0 ms	1.0 ms
Maximum resolution	N/A	3840 x 2160 px	3840 x 2160 px	3840 x 2160 px
Refresh rate	N/A	60.0 Hz	60.0 Hz	60.0 Hz
Colour depth (per channel)	N/A	8.0 bit	10.0 bit	10.0 bit
Colour gamut (Adobe RGB)	N/A	72.0 %	N/A	72.0 %
Colour gamut (NTSC)	N/A	72.0 %	72.0 %	72.0 %
Contrast ratio	N/A	1000:1	1000:1	1000:1
Response time (GtG)	N/A	5.0 ms	1.0 ms	1.0 ms
Picture-in-Picture (PIP)	N/A	yes	yes	yes
Pixel size	N/A	0.01 in	0.01 in	0.01 in
Viewing angle (horizontal)	N/A	178.0 °	170.0 °	170.0 °
Viewing angle (vertical)	N/A	178.0 °	160.0 °	160.0 °
Response time (BtW)	N/A	N/A	1.0 ms	1.0 ms
Image delay	N/A	N/A	< 5.6	N/A
Dynamic contrast ratio	N/A	N/A	N/A	10000:1

Image properties

Supported graphics resolutions

3840x2160

3840 x 2160

HD type

4K Ultra HD

Display number of colours

1.073 billion colours

1.07 billion colours

Display technology

LED

Backlight

WLED

LED

LED backlight

Panel type

AH-IPS

IPS

Response time

5.0 ms

1.0 ms

Maximum resolution

3840 x 2160 px

Refresh rate

60.0 Hz

Colour depth (per channel)

8.0 bit

10.0 bit

Colour gamut (Adobe RGB)

72.0 %

Colour gamut (NTSC)

72.0 %

Contrast ratio

1000:1

Response time (GtG)

5.0 ms

1.0 ms

Picture-in-Picture (PIP)

yes

Pixel size

0.01 in

Viewing angle (horizontal)

178.0 °

170.0 °

Viewing angle (vertical)

178.0 °

160.0 °

Response time (BtW)

1.0 ms

Image delay

< 5.6

Dynamic contrast ratio

10000:1

Features
Tiltable	yes	yes	yes	yes
Cable lock slot	no	no	no	no
Ascendable and submersible	N/A	yes	no	no
Pivot function	N/A	yes	no	no
Swivel	N/A	yes	no	no
Memory card reader	N/A	no	no	no
Plug and Play	N/A	yes	yes	N/A
Wi-Fi	N/A	N/A	no	N/A
Bluetooth	N/A	N/A	no	N/A
Flicker free	N/A	N/A	N/A	yes

Features

Tiltable

yes

Cable lock slot

Ascendable and submersible

yes

Pivot function

yes

Swivel

yes

Memory card reader

Plug and Play

yes

Wi-Fi

Bluetooth

Flicker free

yes

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

Compatibility

3D support (3D-Ready)

VESA mount

yes

Adaptive synchronization

yes

HDR

Type of VESA mount

100x100mm

75x75mm

Sync technology

AMD Freesync

Eco-labelling
EnergyStar	yes	yes	yes	yes
EPEAT	N/A	Gold	N/A	N/A

Eco-labelling

EnergyStar

yes

EPEAT

Gold

Power
Energy efficiency class	A	A	B	G
Power consumption (standby)	0.5 W	N/A	0.3 W	0.3 W
Power consumption (typical)	N/A	30.0 W	32.0 W	38.0 W
Connecting 9V/12V/14V	N/A	N/A	None	None
Operational power consumption	N/A	N/A	< 32	< 29.6