Comparison between:
- 27" Acer QG271 bii
- 24" Yashi YZ2408
- 31.5" AOC AGON AG323QCX2
- 21.5" Acer QG221Q bmiix

Brand, series, model

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

Acer QG271 biiYashi YZ2408AOC AGON AG323QCX2Acer QG221Q bmiix
SeriesNitro QG1Pioneer S-Nitro QG1
Acer QG271 biiYashi YZ2408AOC AGON AG323QCX2Acer QG221Q bmiix
Model aliasQG271bii--QG221Qbmiix
Model year2021202120212021

Display

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

Size class27 in24 in31.5 in21.5 in
Diagonal684.7 mm
68.47 cm
26.9567 in
2.2464 ft
609.7 mm
60.97 cm
24.0039 in
2.0003 ft
801 mm
80.1 cm
31.5354 in
2.628 ft
546.1 mm
54.61 cm
21.5 in
1.7917 ft
Width596.16 mm
59.616 cm
23.4709 in
1.9559 ft
531.36 mm
53.136 cm
20.9197 in
1.7433 ft
697.344 mm
69.7344 cm
27.4545 in
2.2879 ft
476.064 mm
47.6064 cm
18.7427 in
1.5619 ft
Height335.34 mm
33.534 cm
13.2024 in
1.1002 ft
298.89 mm
29.889 cm
11.7673 in
0.9806 ft
392.256 mm
39.2256 cm
15.4431 in
1.2869 ft
267.786 mm
26.7786 cm
10.5428 in
0.8786 ft
Radius of curvature--1500 mm
150 cm
59.0551 in
4.9213 ft
-
Panel typeVAIPSVAVA
Panel bit depth8 bits (6 bits + FRC)8 bits (6 bits + FRC)8 bits8 bits (6 bits + FRC)
FRCYesYesNoYes
Colors16777216 colors
24 bits
16777216 colors
24 bits
16777216 colors
24 bits
16777216 colors
24 bits
Aspect ratio1.778:1
16:9
1.778:1
16:9
1.778:1
16:9
1.778:1
16:9
Resolution1920 x 1080 pixels
Full HD / 1080p
1920 x 1080 pixels
Full HD / 1080p
2560 x 1440 pixels
Quad HD (QHD) / 1440p
1920 x 1080 pixels
Full HD / 1080p
Pixel pitch0.311 mm
0.0311 cm
0.0122 in
0.001 ft
0.277 mm
0.0277 cm
0.0109 in
0.0009 ft
0.272 mm
0.0272 cm
0.0107 in
0.0009 ft
0.248 mm
0.0248 cm
0.0098 in
0.0008 ft
Pixel density81 ppi
32 ppcm
91 ppi
36 ppcm
93 ppi
36 ppcm
102 ppi
40 ppcm
Display area88.72 %-91.19 %88.43 %
BacklightW-LEDW-LEDW-LEDW-LED
sRGB--121 %-
NTSC (1953)72 %72 %100 %72 %
DCI P3--91 %-
Brightness300 cd/m²300 cd/m²400 cd/m²250 cd/m²
Static contrast3000 : 11000 : 13000 : 11000 : 1
Dynamic contrast100000000 : 150000000 : 180000000 : 1100000000 : 1
Horizontal viewing angle178 °178 °178 °178 °
Vertical viewing angle178 °178 °178 °178 °
CoatingAnti-glare/MatteAnti-glare/MatteAnti-glare/Matte (3H)Anti-glare/Matte
Response time - 1 ms (VRB - Virtual Response Boost)Response time - 1 ms (Overdrive)Response time - 1 ms (MPRT - Motion Picture Response Time)Response time - 1 ms (VRB - Virtual Response Boost)

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 - 85 kHz-30 kHz - 230 kHz30 kHz - 85 kHz
Vertical frequency (digital)56 Hz - 76 Hz75 Hz48 Hz - 155 Hz56 Hz - 76 Hz
--DisplayPort - 48 Hz - 155 Hz
HDMI - 48 Hz - 144 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 A-
Power consumption (off)0.25 W0.5 W-0.3 W
Power consumption (sleep)0.3 W0.5 W0.5 W0.4 W
Power consumption (average)24 W25 W63 W22 W

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.

Width614 mm
61.4 cm
24.1732 in
2.0144 ft
-708.6 mm
70.86 cm
27.8976 in
2.3248 ft
489.7 mm
48.97 cm
19.2795 in
1.6066 ft
Height367 mm
36.7 cm
14.4488 in
1.2041 ft
-423.3 mm
42.33 cm
16.6654 in
1.3888 ft
294.4 mm
29.44 cm
11.5906 in
0.9659 ft
Depth66 mm
6.6 cm
2.5984 in
0.2165 ft
-100.9 mm
10.09 cm
3.9724 in
0.331 ft
65.5 mm
6.55 cm
2.5787 in
0.2149 ft
Weight4.7 kg
10.36 lbs
-7.2 kg
15.87 lbs
2.96 kg
6.53 lbs
Width with stand614 mm
61.4 cm
24.1732 in
2.0144 ft
-708.6 mm
70.86 cm
27.8976 in
2.3248 ft
489.7 mm
48.97 cm
19.2795 in
1.6066 ft
Height with stand454 mm
45.4 cm
17.874 in
1.4895 ft
-510.6 mm
51.06 cm
20.1024 in
1.6752 ft
395.5 mm
39.55 cm
15.5709 in
1.2976 ft
Depth with stand240 mm
24 cm
9.4488 in
0.7874 ft
-267 mm
26.7 cm
10.5118 in
0.876 ft
185.5 mm
18.55 cm
7.3031 in
0.6086 ft
Weight with stand5.1 kg
11.24 lbs
-9.8 kg
21.61 lbs
3.36 kg
7.41 lbs
Box width--818 mm
81.8 cm
32.2047 in
2.6837 ft
-
Box height--630 mm
63 cm
24.8031 in
2.0669 ft
-
Box depth--250 mm
25 cm
9.8425 in
0.8202 ft
-
Box weight--13.5 kg
29.76 lbs
-
ColorsBlackSilverBlack
Gray
Black

Ergonomics

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

VESA mountYesYesYesYes
VESA interface100 x 100 mm75 x 75 mm75 x 75 mm100 x 100 mm
Removable standYesYesYesYes
Height adjustmentNoNoYesNo
Height adjustment range--110 mm
11 cm
4.3307 in
0.3609 ft
-
Landscape/portrait pivotNoNoNoNo
Left/right swivelNoNoYesNo
Left swivel--30 °-
Right swivel--30 °-
Forward/backward tiltYesYesYesYes
Forward tilt5 °3 °5 °5 °
Backward tilt20 °12 °23 °25 °

Audio

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

Speakers-2 x 2 W2 x 5 W2 x 2 W
--DTS Sound-

Camera

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

CameraNoNoNoNo

Connectivity

Available connectivity ports, slots and interfaces.

Connectivity2 x HDMI 1.4
1 x D-sub
1 x HDMI 1.4
1 x D-sub
1 x 3.5 mm Audio Out
4 x USB 3.2 (Type-A; Gen 1; downstream)
1 x USB 3.2 (Type-B; upstream)
2 x HDMI 2.0
2 x DisplayPort 1.4
1 x 3.5 mm Microphone In
1 x 3.5 mm Audio Out
1 x HDMI 1.4
1 x D-sub
-High-bandwidth Digital Content Protection (HDCP)High-bandwidth Digital Content Protection (HDCP)-

Features

Some additional functional features of the model.

FeaturesAdaptive Contrast Management (ACM)
AMD FreeSync technology
Low Blue LightAdaptive-Sync technology
Dial Point (Crosshair)
Flicker-free technology
FX Ambient Lights
Game Mode
Low Blue Light
Shadow Control
Adaptive Contrast Management (ACM)
AMD FreeSync technology
ZeroFrame Design

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licensesMPR II-CCC
CE
CEL
CH RoHS
cTUVus
FCC
ISO 9241-307
Win 10
-

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-0 °C - 40 °C
32 °F - 104 °F
0 °C - 40 °C
32 °F - 104 °F
0 °C - 40 °C
32 °F - 104 °F
Operating humidity--10 % - 85 %-
Operating altitude--3657.6 m
12000 ft
-
Storage temperature--20 °C - 60 °C
-4 °F - 140 °F
-20 °C - 60 °C
-4 °F - 140 °F
-20 °C - 60 °C
-4 °F - 140 °F
Storage humidity--5 % - 90 %20 % - 80 %
Storage altitude--12192 m
40000 ft
-

Accessories

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

AccessoriesHDMI cable
VGA cable
HDMI cableDisplayPort cable
Microphone cable
USB upstream cable
2x cable clips
4x wall mount adapter studs
HDMI cable
VGA cable

Additional features

Information about other features.

Additional features-Anti-theft stand lock slot - KensingtonAnti-theft stand lock slot - Kensington-
 Acer QG271 biiYashi YZ2408AOC AGON AG323QCX2Acer QG221Q bmiix