Compare 4 products

General
Screen size	23.8 in	25.0 in	27.0 in	27.0 in
Brightness	250.0 cd/m²	350.0 cd/m²	350.0 cd/m²	350.0 cd/m²
Aspect ratio	16:9	16:9	16:9	16:9

General

Screen size

23.8 in

25.0 in

27.0 in

Brightness

250.0 cd/m²

350.0 cd/m²

Aspect ratio

16:9

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

Design

Colour of product

Black

Black
Black,Silver

Black,Silver

Black
White

Panel design

Flat

Built-in USB hub

yes

Built-in camera

Screen surface

Matte

Touchscreen

Built-in speakers

Dimensions
Height (without stand)	12.64 in	15.67 in	14.31 in	14.0 in
Height with stand	16.47 in	13.33 in	20.67 in	19.11 in
Depth (with stand)	6.73 in	1.83 in	8.07 in	1.9 in
Depth (without stand)	1.48 in	1.83 in	1.83 in	1.9 in
Width (with stand)	21.24 in	22.4 in	24.12 in	24.07 in
Weight	0.1 oz	239.86 oz	260.32 oz	0.26 oz
Height adjustment	N/A	4.53 in	4.53 in	5.12 in
Height (min-max)	N/A	< 512.5	< 409.9	410.2 - 540.2
Weight (without stand)	N/A	9.7 lb	10.82 lb	9.92 lb

Dimensions

Height (without stand)

12.64 in

15.67 in

14.31 in

14.0 in

Height with stand

16.47 in

13.33 in

20.67 in

19.11 in

Depth (with stand)

6.73 in

1.83 in

8.07 in

1.9 in

Depth (without stand)

1.48 in

1.83 in

1.9 in

Width (with stand)

21.24 in

22.4 in

24.12 in

24.07 in

Weight

0.1 oz

239.86 oz

260.32 oz

0.26 oz

Height adjustment

4.53 in

5.12 in

Height (min-max)

< 512.5

< 409.9

410.2 - 540.2

Weight (without stand)

9.7 lb

10.82 lb

9.92 lb

Connectivity
DVI Port	yes	no	no	no
HDMI	no	yes	yes	yes
Headphone output	no	yes	yes	no
VGA (D-Sub) ports quantity	1	N/A	N/A	N/A
Analogue 3.5mm input	N/A	0	0	0
Number of USB 2.0 port	N/A	0	0	0
Number of USB 3.0 ports	N/A	5	5	5
USB connectors (total)	N/A	6	6	5
Component input (YPbPr/YCbCr)	N/A	no	no	no
Number of component inputs	N/A	0	0	0
Composite input	N/A	no	no	no
Number of composite inputs	N/A	0	0	0
DisplayPort	N/A	yes	yes	yes
HDCP	N/A	yes	N/A	N/A
HDMI ports quantity	N/A	2	2	1
Number of HDMI inputs	N/A	2	2	1
HDMI version	N/A	1.4	1.4	1.4
S-video input	N/A	no	no	no
Number of s-video inputs	N/A	0	0	0
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	2	2	2
Number of DisplayPort outputs	N/A	1	1	1
DisplayPort version	N/A	1.2	1.2	1.2a
Type of DisplayPort connector	N/A	Standard	Standard	Standard
MHL	N/A	yes	yes	yes

Connectivity

DVI Port

yes

HDMI

yes

Headphone output

yes

VGA (D-Sub) ports quantity

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

HDCP

yes

HDMI ports quantity

Number of HDMI inputs

HDMI version

1.4

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

1.2a

Type of DisplayPort connector

Standard

MHL

yes

Image properties
Supported graphics resolutions	1280 x 720 1920 x 1080	2560x1440	2560x1440	2560 x 1440
Refresh rate	75.0 Hz	60.0 Hz	60.0 Hz	60.0 Hz
HD type	Full HD	Wide Quad HD	Wide Quad HD	Wide Quad HD
Display number of colours	16.78 million colours	16.78 million colours	16.78 million colours	16.78 million colours
Colour depth (per channel)	8.0 bit	8.0 bit	8.0 bit	8.0 bit
Colour gamut (NTSC)	72.0 %	72.0 %	72.0 %	72.0 %
Dynamic contrast ratio	20000000:1	2000000:1	12000000:1	N/A
Display technology	LCD	LED	LED	LCD
Backlight	W-LED	LED backlight	LED backlight	LED
Panel type	VA	IPS	IPS	IPS
Response time	4.0 ms	8.0 ms	6.0 ms	8.0 ms
Viewing angle (horizontal)	178.0 °	178.0 °	178.0 °	178.0 °
Viewing angle (vertical)	178.0 °	178.0 °	178.0 °	178.0 °
Maximum resolution	N/A	2560 x 1440 px	2560 x 1440 px	2560 x 1440 px
Colour gamut (Adobe RGB)	N/A	99.0 %	99.0 %	99.0 %
Contrast ratio	N/A	1000:1	1000:1	1000:1
Response time (GtG)	N/A	6.0 ms	6.0 ms	8.0 ms
Response time (BtW)	N/A	19.0 ms	N/A	N/A
Picture-in-Picture (PIP)	N/A	no	no	no
Pixel size	N/A	0.01 in	0.01 in	0.01 in
Image delay	N/A	N/A	< 12	< 25

Image properties

Supported graphics resolutions

2560x1440

2560 x 1440

Refresh rate

75.0 Hz

60.0 Hz

HD type

Full HD

Wide Quad HD

Display number of colours

16.78 million colours

Colour depth (per channel)

8.0 bit

Colour gamut (NTSC)

72.0 %

Dynamic contrast ratio

20000000:1

2000000:1

12000000:1

Display technology

LCD

LED

LCD

Backlight

W-LED

LED backlight

LED

Panel type

IPS

Response time

4.0 ms

8.0 ms

6.0 ms

8.0 ms

Viewing angle (horizontal)

178.0 °

Viewing angle (vertical)

178.0 °

Maximum resolution

2560 x 1440 px

Colour gamut (Adobe RGB)

99.0 %

Contrast ratio

1000:1

Response time (GtG)

6.0 ms

8.0 ms

Response time (BtW)

19.0 ms

Picture-in-Picture (PIP)

Pixel size

0.01 in

Image delay

< 12

< 25

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

Features

Cable lock slot

yes

Flicker free

yes

Ascendable and submersible

yes

Pivot function

yes

Swivel

yes

Tiltable

yes

Memory card reader

Plug and Play

yes

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

Compatibility

VESA mount

yes

Type of VESA mount

100x100mm

3D support (3D-Ready)

Adaptive synchronization

HDR

Power
Energy efficiency class	F	B	B	A
Power consumption (standby)	0.3 W	0.5 W	0.5 W	0.5 W
Power consumption (typical)	21.0 W	35.0 W	36.0 W	26.0 W
Connecting 9V/12V/14V	N/A	None	None	None
Operational power consumption	N/A	35 - 87	36 - 88	23.7 - 74