Comparison between:
- 31.5" AOC U3277PWQU
- 49" Acer EI491CR
- 26.5" EIZO FlexScan EV2730Q

Brand, series, model

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

AOC U3277PWQUAcer EI491CREIZO FlexScan EV2730Q
Series-EI1-
AOC U3277PWQUAcer EI491CREIZO FlexScan EV2730Q
Model alias-EI491CR Pbmiiipx
EI491CRPbmiiipx
-

Display

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

Size class31.5 in49 in26.5 in
Diagonal801 mm
80.1 cm
31.5354 in
2.628 ft
1244.6 mm
124.46 cm
49 in
4.0833 ft
670 mm
67 cm
26.378 in
2.1982 ft
Width698.4 mm
69.84 cm
27.4961 in
2.2913 ft
1195.78 mm
119.578 cm
47.078 in
3.9232 ft
475.776 mm
47.5776 cm
18.7313 in
1.5609 ft
Height392.85 mm
39.285 cm
15.4665 in
1.2889 ft
336.31 mm
33.631 cm
13.2406 in
1.1034 ft
475.776 mm
47.5776 cm
18.7313 in
1.5609 ft
Radius of curvature-1800 mm
180 cm
70.8661 in
5.9055 ft
-
Panel manufacturerInnoluxSamsungLG Display
Panel modelM315DJJ-K30-LM265SQ1-SLA1
Panel typeMVAVAIPS
Panel bit depth10 bits8 bits8 bits
FRC-NoNo
Colors1073741824 colors
30 bits
16777216 colors
24 bits
16777216 colors
24 bits
Aspect ratio1.778:1
16:9
3.556:11:1
1:1
Resolution3840 x 2160 pixels
Ultra HD (UHD) / 4K / 2160p
3840 x 1080 pixels1920 x 1920 pixels
Pixel pitch0.182 mm
0.0182 cm
0.0072 in
0.0006 ft
0.311 mm
0.0311 cm
0.0123 in
0.001 ft
0.248 mm
0.0248 cm
0.0098 in
0.0008 ft
Pixel density139 ppi
54 ppcm
81 ppi
32 ppcm
102 ppi
40 ppcm
Display area-89.52 %90.82 %
BacklightW-LEDW-LEDW-LED
sRGB100 %-99 %
NTSC (1953)95 %--
DCI P3-90 %-
Brightness350 cd/m²400 cd/m²300 cd/m²
Static contrast3000 : 13000 : 11000 : 1
Dynamic contrast80000000 : 1100000000 : 1-
HDR-HDR10
DisplayHDR 400
-
Horizontal viewing angle178 °178 °178 °
Vertical viewing angle178 °178 °178 °
Minimum response time4 ms
0.0040 s
4 ms
0.0040 s
5 ms
0.0050 s
Average response time9.5 ms
0.0095 s
-11 ms
0.0110 s
Maximum response time--18 ms
0.0180 s
Input lag34 ms
0.0340 s
-17 ms
0.0170 s
Coating-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.

3DNoNoNo

Frequencies

Information about the horizontal and vertical refresh rates/frequencies.

Horizontal frequency (digital)30 kHz - 160 kHz-31 kHz - 127 kHz
Vertical frequency (digital)23 Hz - 80 Hz48 Hz - 144 Hz59 Hz - 61 Hz
--VGA (text) - 69 Hz - 71 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 W0.35 W-
Power consumption (sleep)0.5 W0.45 W0.3 W
Power consumption (eco)--13 W
Power consumption (average)60 W90 W25 W
Power consumption (maximum)--64 W
Energy efficiency class--A+

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.

Width-1198 mm
119.8 cm
47.1654 in
3.9304 ft
497 mm
49.7 cm
19.5669 in
1.6306 ft
Height-375 mm
37.5 cm
14.7638 in
1.2303 ft
501.5 mm
50.15 cm
19.7441 in
1.6453 ft
Depth-172 mm
17.2 cm
6.7717 in
0.5643 ft
56 mm
5.6 cm
2.2047 in
0.1837 ft
Weight-9.3 kg
20.5 lbs
4.2 kg
9.26 lbs
Width with stand741.88 mm
74.188 cm
29.2079 in
2.434 ft
1198 mm
119.8 cm
47.1654 in
3.9304 ft
497 mm
49.7 cm
19.5669 in
1.6306 ft
Height with stand659 mm
65.9 cm
25.9449 in
2.1621 ft
456 mm
45.6 cm
17.9528 in
1.4961 ft
512.5 mm
51.25 cm
20.1772 in
1.6814 ft
Depth with stand171.2 mm
17.12 cm
6.7402 in
0.5617 ft
240 mm
24 cm
9.4488 in
0.7874 ft
245 mm
24.5 cm
9.6457 in
0.8038 ft
Weight with stand11.51 kg
25.38 lbs
11.4 kg
25.13 lbs
7.1 kg
15.65 lbs
ColorsBlack
Silver
BlackBlack
Gray

Ergonomics

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

VESA mountYesYesYes
VESA interface100 x 100 mm75 x 75 mm100 x 100 mm
Removable standYesYesYes
Height adjustmentYesNoYes
Height adjustment range180 mm
18 cm
7.0866 in
0.5906 ft
-141 mm
14.1 cm
5.5512 in
0.4626 ft
Landscape/portrait pivotYesNoNo
Left pivot0 °--
Right pivot90 °--
Left/right swivelYesNoYes
Left swivel165 °-172 °
Right swivel165 °-172 °
Forward/backward tiltYesYesYes
Forward tilt5 °5 °5 °
Backward tilt24 °15 °35 °

Audio

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

Speakers2 x 3 W2 x 3 W2 x 1 W

Camera

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

CameraNoNoNo

Connectivity

Available connectivity ports, slots and interfaces.

Connectivity2 x USB 2.0 (downstream)
2 x USB 3.0 (downstream)
1 x USB 3.0 (upstream)
1 x HDMI 2.0 (MHL)
1 x DisplayPort 1.2
1 x DVI-D Dual Link
1 x D-sub
1 x 3.5 mm Audio In
1 x 3.5 mm Audio Out
2 x HDMI 1.4
1 x HDMI 2.0
1 x DisplayPort 1.2
1 x 3.5 mm Audio In
1 x 3.5 mm Audio Out
2 x USB 2.0 (downstream)
1 x USB 3.0 (upstream)
1 x DisplayPort 1.1
1 x DVI-D
1 x 3.5 mm Audio In
1 x 3.5 mm Audio Out

Features

Some additional functional features of the model.

FeaturesFlicker-free technology
HDCP (High-bandwidth Digital Content Protection)
AMD FreeSync technology
Blue Light Filter
Flicker-free technology
HDCP (High-bandwidth Digital Content Protection)
Picture-by-Picture
Picture-in-Picture
3D CAD
EcoView
Flicker-free technology
Light sensor
Low Blue Light

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licensesCCC
CE
EAC
ENERGY STAR 6.0
Epeat Silver
RoHS
TCO Certified Displays 6.0
CCC
CE
ENERGY STAR
ErP
RoHS
TCO Certified Displays
CB
CCC
CE
cTÜVus
ENERGY STAR 6.0
Epeat Gold
FCC Class B
GOST-R
ICES-003-B
ISO9241-307
RoHS
TCO Displays 6.0
TÜV/Ergonomics
TÜV/GS
TÜV/S
RCM
VCCI-B
WEEE

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 temperature0 °C - 40 °C
32 °F - 104 °F
0 °C - 40 °C
32 °F - 104 °F
5 °C - 35 °C
41 °F - 95 °F
Operating humidity10 % - 85 %20 % - 80 %20 % - 80 %
Operating altitude3657.6 m
12000 ft
--
Storage temperature-20 °C - 60 °C
-4 °F - 140 °F
--20 °C - 60 °C
-4 °F - 140 °F
Storage humidity5 % - 90 %-10 % - 90 %
Storage altitude12192 m
40000 ft
--

Accessories

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

AccessoriesAudio cable
D-sub cable
DisplayPort cable
HDMI cable
USB 3.0 upstream cable
DisplayPort cableDisplayPort cable
USB cable

Additional features

Information about other features.

Additional featuresAnti-theft stand lock slot - Kensington--
 AOC U3277PWQUAcer EI491CREIZO FlexScan EV2730Q