Comparison between:
- 27" Asus PB278Q
- 28" Samsung U28E590D
- 23.6" Samsung U24E590D

Brand, series, model

Information about the brand, series, model and model aliases.

Asus PB278QSamsung U28E590DSamsung U24E590D
Asus PB278QSamsung U28E590DSamsung U24E590D
Model alias-LU28E590DS/ZALU24E590DS/ZA
Model year201220152015

Display

Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.

Size class27 in28 in23.6 in
Diagonal684.7 mm
68.47 cm
26.9567 in
2.2464 ft
711.2 mm
71.12 cm
28 in
2.3333 ft
599 mm
59.9 cm
23.5827 in
1.9652 ft
Width596.736 mm
59.6736 cm
23.4935 in
1.9578 ft
620.928 mm
62.0928 cm
24.446 in
2.0372 ft
521.28 mm
52.128 cm
20.5228 in
1.7102 ft
Height335.664 mm
33.5664 cm
13.2151 in
1.1013 ft
341.28 mm
34.128 cm
13.4362 in
1.1197 ft
293.22 mm
29.322 cm
11.5441 in
0.962 ft
Panel manufacturerSamsungInnoluxSamsung
Panel modelLTM270DL02M280DGJ-L30LTM236FL01
Panel typePLSTNPLS
Panel bit depth8 bits10 bits (8 bits + FRC)8 bits
FRCNoYesNo
Colors16777216 colors
24 bits
1073741824 colors
30 bits
16777216 colors
24 bits
Aspect ratio1.778:1
16:9
1.778:1
16:9
1.778:1
16:9
Resolution2560 x 1440 pixels
Quad HD (QHD) / 1440p
3840 x 2160 pixels
Ultra HD (UHD) / 4K / 2160p
3840 x 2160 pixels
Ultra HD (UHD) / 4K / 2160p
Pixel pitch0.233 mm
0.0233 cm
0.0092 in
0.0008 ft
0.16 mm
0.016 cm
0.0063 in
0.0005 ft
0.136 mm
0.0136 cm
0.0053 in
0.0004 ft
Pixel density109 ppi
42 ppcm
157 ppi
61 ppcm
187 ppi
73 ppcm
Display area80.66 %84.09 %81.81 %
BacklightW-LEDW-LEDW-LED
sRGB99.5 %98 %100 %
Adobe RGB (1998)78.1 %67 %-
NTSC (1953)81 %72 %72 %
Brightness300 cd/m²370 cd/m²300 cd/m²
Static contrast1000 : 11000 : 11000 : 1
Dynamic contrast80000000 : 1100000000 : 1100000000 : 1
Horizontal viewing angle178 °170 °178 °
Vertical viewing angle178 °160 °178 °
Minimum response time5 ms
0.0050 s
1 ms
0.0010 s
4 ms
0.0040 s
Average response time12 ms
0.0120 s
3.5 ms
0.0035 s
10 ms
0.0100 s
Maximum response time-23 ms
0.0230 s
-
Input lag17 ms
0.0170 s
15 ms
0.0150 s
5 ms
0.0050 s
CoatingAnti-glare/MatteAnti-glare/Matte (3H)Anti-glare/Matte (3H)

3D

3D displays use various technologies to achieve a 3D effect. Each of these technologies has its own advantages and drawbacks.

3DNoNoNo

Frequencies

Information about the horizontal and vertical refresh rates/frequencies.

Horizontal frequency (analog)24 kHz - 89 kHz--
Horizontal frequency (digital)24 kHz - 89 kHz30 kHz - 135 kHz30 kHz - 135 kHz
Vertical frequency (analog)50 Hz - 75 Hz--
Vertical frequency (digital)50 Hz - 75 Hz24 Hz - 75 Hz24 Hz - 75 Hz
-DisplayPort - 3840 x 2160 @ 60 Hz
HDMI1 - 3840 x 2160 @ 30 Hz
HDMI2 - 3840 x 2160 @ 60 Hz
-

Power supply and consumption

Information about the power supply and consumption, energy efficiency class, etc.

110V100 V - 120 V100 V - 120 V100 V - 120 V
220V220 V - 240 V220 V - 240 V220 V - 240 V
Alternating current frequency50 Hz - 60 Hz50 Hz - 60 Hz50 Hz - 60 Hz
Power consumption (off)0.5 W0.3 W0.3 W
Power consumption (sleep)0.5 W0.45 W0.45 W
Power consumption (eco)20 W29.6 W13 W
Power consumption (average)45 W38 W25 W
Power consumption (maximum)60 W45 W34.3 W
Power consumption (annual)-85 kWh-
Energy efficiency class-BC

Dimensions, weight and color

Information about the dimensions and the weight of the specific model with and without stand as well as the colors, in which it is offered to the market.

Width643 mm
64.3 cm
25.315 in
2.1096 ft
660.9 mm
66.09 cm
26.0197 in
2.1683 ft
561.1 mm
56.11 cm
22.0906 in
1.8409 ft
Height386.2 mm
38.62 cm
15.2047 in
1.2671 ft
381.3 mm
38.13 cm
15.0118 in
1.251 ft
333 mm
33.3 cm
13.1102 in
1.0925 ft
Depth69.6 mm
6.96 cm
2.7402 in
0.2283 ft
73.5 mm
7.35 cm
2.8937 in
0.2411 ft
62.8 mm
6.28 cm
2.4724 in
0.206 ft
Weight-4.7 kg
10.36 lbs
4.04 kg
8.91 lbs
Width with stand643 mm
64.3 cm
25.315 in
2.1096 ft
660.9 mm
66.09 cm
26.0197 in
2.1683 ft
561.1 mm
56.11 cm
22.0906 in
1.8409 ft
Height with stand552.3 mm
55.23 cm
21.7441 in
1.812 ft
468.5 mm
46.85 cm
18.4449 in
1.5371 ft
428 mm
42.8 cm
16.8504 in
1.4042 ft
Depth with stand218 mm
21.8 cm
8.5827 in
0.7152 ft
187.1 mm
18.71 cm
7.3661 in
0.6138 ft
187.1 mm
18.71 cm
7.3661 in
0.6138 ft
Weight with stand8.8 kg
19.4 lbs
5.28 kg
11.64 lbs
4.61 kg
10.16 lbs
Box width-740 mm
74 cm
29.1339 in
2.4278 ft
-
Box height-461 mm
46.1 cm
18.1496 in
1.5125 ft
-
Box depth-141 mm
14.1 cm
5.5512 in
0.4626 ft
-
Box weight-7.75 kg
17.09 lbs
-
ColorsBlackBlackBlack

Ergonomics

Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.

VESA mountYesYesYes
VESA interface100 x 100 mm75 x 75 mm75 x 75 mm
Removable standYesYesYes
Height adjustmentYesNoNo
Height adjustment range120 mm
12 cm
4.7244 in
0.3937 ft
--
Landscape/portrait pivotYesNoNo
Left pivot0 °--
Right pivot90 °--
Left/right swivelYesNoNo
Left swivel60 °--
Right swivel60 °--
Forward/backward tiltYesYesYes
Forward tilt5 °2 °2 °
Backward tilt20 °20 °20 °
-T-shape standT-shape stand

Audio

Information about the audio system - number and power of the built-in speakers, supported audio technologies.

Speakers2 x 3 W--

Camera

Many contemporary desktop monitors and smart TV sets have built-in cameras.

CameraNoNoNo

Connectivity

Available connectivity ports, slots and interfaces.

Connectivity1 x HDMI 1.4
1 x DisplayPort 1.2
1 x DVI-D Dual Link
1 x D-sub
2 x 3.5 mm Audio Out
1 x HDMI 1.4
1 x HDMI 2.0
1 x DisplayPort 1.2
1 x 3.5 mm Audio Out
1 x HDMI 1.4
1 x HDMI 2.0
1 x DisplayPort 1.2
1 x 3.5 mm Audio Out
High-bandwidth Digital Content Protection (HDCP)High-bandwidth Digital Content Protection (HDCP)High-bandwidth Digital Content Protection (HDCP)

Features

Some additional functional features of the model.

Features-AMD FreeSync technology
Eco Saving Plus
Eye saver mode
Flicker-free technology
Low Blue Light
Picture-by-Picture
Picture-in-Picture
Samsung MagicAngle
Samsung MagicBright
UHD Upscale
AMD FreeSync technology
Eco Saving Plus
Eye saver mode
Flicker-free technology
Low Blue Light
Picture-In-Picture
Picture-By-Picture
UHD Upscale

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licensesBSMI
CB
CCC
CE
cTick
CU
ErP
ENERGY STAR
FCC Class B
KCC
PSE
RoHS
UL/cUL
WEEE
CE
ISO9241-307
TÜV/Ergonomics
CE
ENERGY STAR 6.0
ISO9241-307
TÜV/Ergonomics

Operating and storage conditions

There are certain requirements for the environmental conditions, in which the display should be used and stored in order to function properly.

Operating temperature-10 °C - 40 °C
50 °F - 104 °F
10 °C - 40 °C
50 °F - 104 °F
Operating humidity-10 % - 80 %10 % - 80 %
Storage temperature--20 °C - 45 °C
-4 °F - 113 °F
-20 °C - 45 °C
-4 °F - 113 °F
Storage humidity-5 % - 95 %5 % - 95 %

Accessories

Often the packaging of desktop monitors and smart TV sets includes accessories for them.

AccessoriesAudio cable
D-sub cable
DisplayPort cable
DVI-D cable
HDMI cable
DisplayPort cable
HDMI cable
DP cable
HDMI cable
 Asus PB278QSamsung U28E590DSamsung U24E590D