Comparison between:
- 28" Acer CB281HKAbmiiprx
- 28" Acer RT280KAbmiipx
- 31.5" Iiyama ProLite X3272UHS
- 31.5" LG 32UD59

Brand, series, model

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

Acer CB281HKAbmiiprxAcer RT280KAbmiipxIiyama ProLite X3272UHSLG 32UD59
Acer CB281HKAbmiiprxAcer RT280KAbmiipxIiyama ProLite X3272UHSLG 32UD59
Model aliasCB281HK AbmiiprxRT280K AbmiipxX3272UHS-B132UD59-B

Display

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

Size class28 in28 in31.5 in31.5 in
Diagonal711.2 mm
71.12 cm
28 in
2.3333 ft
711.2 mm
71.12 cm
28 in
2.3333 ft
801 mm
80.1 cm
31.5354 in
2.628 ft
801 mm
80.1 cm
31.5354 in
2.628 ft
Width620.93 mm
62.093 cm
24.4461 in
2.0372 ft
620.93 mm
62.093 cm
24.4461 in
2.0372 ft
695.04 mm
69.504 cm
27.3638 in
2.2803 ft
698.4 mm
69.84 cm
27.4961 in
2.2913 ft
Height341.28 mm
34.128 cm
13.4362 in
1.1197 ft
341.28 mm
34.128 cm
13.4362 in
1.1197 ft
390.96 mm
39.096 cm
15.3921 in
1.2827 ft
392.85 mm
39.285 cm
15.4665 in
1.2889 ft
Panel typeTNTNVAVA
Panel bit depth10 bits (8 bits + FRC)10 bits10 bits (8 bits + FRC)10 bits (8 bits + FRC)
FRCYes-YesYes
Colors1073741824 colors
30 bits
1073741824 colors
30 bits
1073741824 colors
30 bits
1073741824 colors
30 bits
Aspect ratio1.778:1
16:9
1.778:1
16:9
1.778:1
16:9
1.778:1
16:9
Resolution3840 x 2160 pixels
Ultra HD (UHD) / 4K / 2160p
3840 x 2160 pixels
Ultra HD (UHD) / 4K / 2160p
3840 x 2160 pixels
Ultra HD (UHD) / 4K / 2160p
3840 x 2160 pixels
Ultra HD (UHD) / 4K / 2160p
Pixel pitch0.162 mm
0.0162 cm
0.0064 in
0.0005 ft
0.162 mm
0.0162 cm
0.0064 in
0.0005 ft
0.181 mm
0.0181 cm
0.0071 in
0.0006 ft
0.182 mm
0.0182 cm
0.0072 in
0.0006 ft
Pixel density157 ppi
61 ppcm
157 ppi
61 ppcm
140 ppi
55 ppcm
139 ppi
54 ppcm
Display area84.54 %-86.03 %88.72 %
BacklightW-LEDW-LEDW-LEDW-LED
sRGB100 %-100 %99 %
Adobe RGB (1998)--89 %88 %
NTSC (1953)72 %72 %--
DCI P3---95 %
Brightness300 cd/m²330 cd/m²300 cd/m²300 cd/m²
Static contrast1000 : 11000 : 13000 : 13000 : 1
Dynamic contrast100000000 : 1100000000 : 15000000 : 1-
Horizontal viewing angle170 °170 °178 °178 °
Vertical viewing angle160 °160 °178 °178 °
Minimum response time1 ms
0.0010 s
1 ms
0.0010 s
3 ms
0.0030 s
5 ms
0.0050 s
Average response time--9.5 ms
0.0095 s
15 ms
0.0150 s
Maximum response time--20 ms
0.0200 s
-
Input lag--12 ms
0.0120 s
10 ms
0.0100 s
CoatingAnti-glare/Matte (3H)Anti-glare/Matte (3H)Anti-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.

3DNoNoNoNo

Frequencies

Information about the horizontal and vertical refresh rates/frequencies.

Horizontal frequency (digital)-30 kHz - 160 kHz30 kHz - 135 kHz30 kHz - 135 kHz
Vertical frequency (digital)60 Hz40 Hz - 80 Hz24 Hz - 75 Hz56 Hz - 61 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 V100 V - 120 V
220V220 V - 240 V220 V - 240 V220 V - 240 V220 V - 240 V
Alternating current frequency50 Hz - 60 Hz50 Hz - 60 Hz50 Hz - 60 Hz50 Hz - 60 Hz
Electric current (A)--1.5 A3.3 A
Power consumption (off)0.42 W0.42 W-0.3 W
Power consumption (sleep)0.49 W0.49 W0.5 W0.5 W
Power consumption (eco)--28 W35.5 W
Power consumption (average)41.5 W41.5 W45 W50 W
Power consumption (maximum)-70 W52 W-
Energy efficiency class-BB-

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.

Width657.9 mm
65.79 cm
25.9016 in
2.1585 ft
-729.5 mm
72.95 cm
28.7205 in
2.3934 ft
729 mm
72.9 cm
28.7008 in
2.3917 ft
Height381 mm
38.1 cm
15 in
1.25 ft
-433 mm
43.3 cm
17.0472 in
1.4206 ft
424.2 mm
42.42 cm
16.7008 in
1.3917 ft
Depth66 mm
6.6 cm
2.5984 in
0.2165 ft
-64.5 mm
6.45 cm
2.5394 in
0.2116 ft
45.7 mm
4.57 cm
1.7992 in
0.1499 ft
Weight5.1 kg
11.24 lbs
--5.3 kg
11.68 lbs
Width with stand657.9 mm
65.79 cm
25.9016 in
2.1585 ft
658.9 mm
65.89 cm
25.9409 in
2.1617 ft
729.5 mm
72.95 cm
28.7205 in
2.3934 ft
729 mm
72.9 cm
28.7008 in
2.3917 ft
Height with stand402 mm
40.2 cm
15.8268 in
1.3189 ft
482.1 mm
48.21 cm
18.9803 in
1.5817 ft
546 mm
54.6 cm
21.4961 in
1.7913 ft
457.2 mm
45.72 cm
18 in
1.5 ft
Depth with stand237 mm
23.7 cm
9.3307 in
0.7776 ft
210 mm
21 cm
8.2677 in
0.689 ft
254 mm
25.4 cm
10 in
0.8333 ft
236.2 mm
23.62 cm
9.2992 in
0.7749 ft
Weight with stand8 kg
17.64 lbs
5.64 kg
12.43 lbs
6.8 kg
14.99 lbs
7.1 kg
15.65 lbs
ColorsBlackBlack
Silver
BlackBlack

Ergonomics

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

VESA mountYesYesYesYes
VESA interface100 x 100 mm100 x 100 mm100 x 100 mm100 x 100 mm
Removable standYesYesYesYes
Height adjustmentYesNoNoYes
Height adjustment range150 mm
15 cm
5.9055 in
0.4921 ft
--120 mm
12 cm
4.7244 in
0.3937 ft
Landscape/portrait pivotYesNoNoNo
Left pivot90 °---
Right pivot90 °---
Left/right swivelYesNoNoNo
Left swivel60 °---
Right swivel60 °---
Forward/backward tiltYesYesYesYes
Forward tilt5 °5 °4 °5 °
Backward tilt35 °15 °12 °20 °

Audio

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

Speakers2 x 2 W2 x 2 W2 x 2 W-

Camera

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

CameraNoNoNoNo

Connectivity

Available connectivity ports, slots and interfaces.

Connectivity1 x HDMI 2.0
1 x DisplayPort 1.2
1 x 3.5 mm Audio Out
2 x HDMI 2.0
1 x DisplayPort 1.2
1 x 3.5 mm Audio Out
2 x HDMI 2.0
1 x DisplayPort 1.2
1 x 3.5 mm Audio Out
2 x HDMI 2.0
1 x DisplayPort 1.2
1 x 3.5 mm Audio Out

Features

Some additional functional features of the model.

FeaturesFlicker-free technology
HDCP (High-bandwidth Digital Content Protection)
Picture-By-Picture
Picture-in-Picture
Blue Light Filter
Flicker-free technology
HDCP (High-bandwidth Digital Content Protection)
EcoModes
Flicker-free technology
HDCP (High-bandwidth Digital Content Protection)
Overdrive
Picture-in-Picture
AMD FreeSync technology
Black Stabilizer
Flicker-free technology
DDC/CI
Dynamic Action Sync
HDCP (High-bandwidth Digital Content Protection) 2.2
Picture-in-Picture
Screen Split
Super Resolution+

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licensesENERGY STAR
ErP
TCO Certified Displays
ENERGY STAR
ErP
TCO Certified Displays
CE
ENERGY STAR
PSE
TÜV/GS
VCCI-B
BSMI
CCC
CE
cTick
ENERGY STAR
ErP
FCC Class B
UL/cUL

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--5 °C - 35 °C
41 °F - 95 °F
0 °C - 40 °C
32 °F - 104 °F
Operating humidity--10 % - 80 %10 % - 80 %
Storage temperature---20 °C - 60 °C
-4 °F - 140 °F
-20 °C - 60 °C
-4 °F - 140 °F
Storage humidity--5 % - 85 %5 % - 85 %

Accessories

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

AccessoriesDisplayPort cableDisplayPort cableDisplayPort cable
HDMI cable
DisplayPort cable
HDMI cable

Additional features

Information about other features.

Additional features--Anti-theft stand lock slot - KensingtonAnti-theft stand lock slot
 Acer CB281HKAbmiiprxAcer RT280KAbmiipxIiyama ProLite X3272UHSLG 32UD59