Comparison between:
- 31.5" Acer Nitro RG321QU Pbiipx
- 28" Acer XB281HK

Brand, series, model

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

Acer Nitro RG321QU PbiipxAcer XB281HK
SeriesNitro RG1-
Acer Nitro RG321QU PbiipxAcer XB281HK
Model aliasRG321QUPbiipx
UM.JR1EE.P01
UM.JR1SA.P01
UM.JR1AA.P01
Predator XB281HKbmiprz
Model year20212015

Display

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

Size class31.5 in28 in
Diagonal801 mm
80.1 cm
31.5354 in
2.628 ft
711.2 mm
71.12 cm
28 in
2.3333 ft
Width697.344 mm
69.7344 cm
27.4545 in
2.2879 ft
620.93 mm
62.093 cm
24.4461 in
2.0372 ft
Height392.256 mm
39.2256 cm
15.4431 in
1.2869 ft
341.28 mm
34.128 cm
13.4362 in
1.1197 ft
Panel manufacturer-Innolux
Panel typeIPSTN
Panel bit depth8 bits10 bits (8 bits + FRC)
FRCNoYes
Colors16777216 colors
24 bits
1073741824 colors
30 bits
Aspect ratio1.778:1
16:9
1.778:1
16:9
Resolution2560 x 1440 pixels
Quad HD (QHD) / 1440p
3840 x 2160 pixels
Ultra HD (UHD) / 4K / 2160p
Pixel pitch0.272 mm
0.0272 cm
0.0107 in
0.0009 ft
0.162 mm
0.0162 cm
0.0064 in
0.0005 ft
Pixel density93 ppi
36 ppcm
157 ppi
61 ppcm
Display area93.02 %-
BacklightW-LEDW-LED
NTSC (1953)72 %72 %
Brightness250 cd/m²300 cd/m²
Static contrast1000 : 11000 : 1
Dynamic contrast100000000 : 1100000000 : 1
HDRHDR10-
Horizontal viewing angle178 °170 °
Vertical viewing angle178 °160 °
Minimum response time-1 ms
0.0010 s
CoatingAnti-glare/Matte (3H)Anti-glare/Matte (3H)
Response time - 1 ms (VRB - Visual Response Boost)-

3D

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

3DNoNo

Frequencies

Information about the horizontal and vertical refresh rates/frequencies.

Horizontal frequency (digital)24 kHz - 250 kHz-
Vertical frequency (digital)48 Hz - 170 Hz60 Hz
Native - 144 Hz
Overclock - 170 Hz
-

Power supply and consumption

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

110V100 V - 120 V100 V - 120 V
220V220 V - 240 V220 V - 240 V
Alternating current frequency50 Hz - 60 Hz50 Hz - 60 Hz
Power consumption (off)0.3 W0.45 W
Power consumption (sleep)0.3 W0.5 W
Power consumption (average)37 W59 W
Power consumption (maximum)41 W-
Power consumption (annual)37 kWh87 kWh
Energy efficiency classGC

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.

Width712 mm
71.2 cm
28.0315 in
2.336 ft
-
Height413 mm
41.3 cm
16.2598 in
1.355 ft
-
Depth37.34 mm
3.734 cm
1.4701 in
0.1225 ft
-
Width with stand712 mm
71.2 cm
28.0315 in
2.336 ft
659 mm
65.9 cm
25.9449 in
2.1621 ft
Height with stand523.24 mm
52.324 cm
20.6 in
1.7167 ft
415 mm
41.5 cm
16.3386 in
1.3615 ft
Depth with stand200.66 mm
20.066 cm
7.9 in
0.6583 ft
268 mm
26.8 cm
10.5512 in
0.8793 ft
Weight with stand5.22 kg
11.51 lbs
7.57 kg
16.69 lbs
ColorsBlackBlack

Ergonomics

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

VESA mountYesYes
VESA interface100 x 100 mm100 x 100 mm
Removable standYesYes
Height adjustmentNoYes
Height adjustment range-150 mm
15 cm
5.9055 in
0.4921 ft
Landscape/portrait pivotNoYes
Left pivot-90 °
Right pivot-90 °
Left/right swivelNoYes
Left swivel-30 °
Right swivel-30 °
Forward/backward tiltYesYes
Forward tilt5 °5 °
Backward tilt10 °35 °

Audio

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

Speakers-2 x 2 W

Camera

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

CameraNoNo

Connectivity

Available connectivity ports, slots and interfaces.

Connectivity2 x HDMI 2.0
1 x DisplayPort 1.4
1 x 3.5 mm Audio Out
4 x USB 3.0 (downstream)
1 x USB 3.0 (upstream)
1 x HDMI 1.4
1 x DisplayPort 1.2
1 x 3.5 mm Audio Out
High-bandwidth Digital Content Protection (HDCP)-

Features

Some additional functional features of the model.

FeaturesAMD FreeSync Premium
Black Boost
BlueLightShield
ComfyView
Flicker-free technology
Low Dimming technology
ZeroFrame Design
Flicker-free technology
Nvidia G-SYNC Technology

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licenses-ENERGY STAR
ErP
TCO Certified Displays 6.0

Accessories

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

AccessoriesDisplayPort cable
HDMI cable
DisplayPort cable
HDMI cable
USB 3.0 cable

Additional features

Information about other features.

Additional featuresAnti-theft stand lock slot - Kensington-
 Acer Nitro RG321QU PbiipxAcer XB281HK