Comparison between:
- 27" Acer CM3271K
- 27" AOC U27U2
- 27" AOC LV273HUPR

Brand, series, model

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

Acer CM3271KAOC U27U2AOC LV273HUPR
SeriesConceptD CM3--
Acer CM3271KAOC U27U2AOC LV273HUPR
Model aliasCM3271K bmiipruzxU27U2D-

Display

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

Size class27 in27 in27 in
Diagonal685.8 mm
68.58 cm
27 in
2.25 ft
684.7 mm
68.47 cm
26.9567 in
2.2464 ft
684.7 mm
68.47 cm
26.9567 in
2.2464 ft
Width596.736 mm
59.6736 cm
23.4935 in
1.9578 ft
596.736 mm
59.6736 cm
23.4935 in
1.9578 ft
596.74 mm
59.674 cm
23.4937 in
1.9578 ft
Height335.664 mm
33.5664 cm
13.2151 in
1.1013 ft
335.664 mm
33.5664 cm
13.2151 in
1.1013 ft
335.66 mm
33.566 cm
13.215 in
1.1012 ft
Panel manufacturer--LG Display
Panel typeIPSAH-IPSAH-IPS
Panel bit depth10 bits10 bits (8 bits + FRC)10 bits
FRC-Yes-
Colors1073741824 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
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
Pixel pitch0.155 mm
0.0155 cm
0.0061 in
0.0005 ft
0.155 mm
0.0155 cm
0.0061 in
0.0005 ft
0.155 mm
0.0155 cm
0.0061 in
0.0005 ft
Pixel density163 ppi
64 ppcm
163 ppi
64 ppcm
163 ppi
64 ppcm
Display area-92.81 %89 %
BacklightW-LEDW-LEDW-LED
sRGB-100 %99 %
Adobe RGB (1998)99 %--
DCI P3-82 %-
Brightness350 cd/m²400 cd/m²400 cd/m²
Peak brightness400 cd/m²--
Static contrast1000 : 11300 : 11300 : 1
Dynamic contrast100000000 : 150000000 : 150000000 : 1
HDRDisplayHDR 400DisplayHDR 400DisplayHDR 400
HLG (Hybrid Log Gamma)
Horizontal viewing angle178 °178 °178 °
Vertical viewing angle178 °178 °178 °
Minimum response time4 ms
0.0040 s
4 ms
0.0040 s
4 ms
0.0040 s
CoatingAnti-glare/Matte-Anti-glare/Matte
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.

3DNoNoNo

Frequencies

Information about the horizontal and vertical refresh rates/frequencies.

Horizontal frequency (digital)-30 kHz - 140 kHz30 kHz - 140 kHz
Vertical frequency (digital)60 Hz23 Hz - 75 Hz23 Hz - 75 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
Electric current (A)-1.5 A1.5 A
Power consumption (off)0.3 W--
Power consumption (sleep)0.45 W0.5 W0.5 W
Power consumption (average)-42 W37 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.

Width711.2 mm
71.12 cm
28 in
2.3333 ft
611.9 mm
61.19 cm
24.0906 in
2.0075 ft
614.9 mm
61.49 cm
24.2087 in
2.0174 ft
Height-352.7 mm
35.27 cm
13.8858 in
1.1572 ft
366 mm
36.6 cm
14.4094 in
1.2008 ft
Depth-46.1 mm
4.61 cm
1.815 in
0.1512 ft
50.5 mm
5.05 cm
1.9882 in
0.1657 ft
Weight-4.62 kg
10.19 lbs
4.4 kg
9.7 lbs
Width with stand711.2 mm
71.12 cm
28 in
2.3333 ft
611.9 mm
61.19 cm
24.0906 in
2.0075 ft
614.9 mm
61.49 cm
24.2087 in
2.0174 ft
Height with stand614.68 mm
61.468 cm
24.2 in
2.0167 ft
390.4 mm
39.04 cm
15.3701 in
1.2808 ft
401.2 mm
40.12 cm
15.7953 in
1.3163 ft
Depth with stand342.9 mm
34.29 cm
13.5 in
1.125 ft
215.3 mm
21.53 cm
8.4764 in
0.7064 ft
194.3 mm
19.43 cm
7.6496 in
0.6375 ft
Weight with stand6.53 kg
14.4 lbs
6.54 kg
14.42 lbs
6.5 kg
14.33 lbs
ColorsBlackBlackBlack

Ergonomics

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

VESA mountYesYesYes
VESA interface100 x 100 mm100 x 100 mm100 x 100 mm
Removable standYesYesYes
Height adjustmentYesYesYes
Height adjustment range180 mm
18 cm
7.0866 in
0.5906 ft
150 mm
15 cm
5.9055 in
0.4921 ft
130 mm
13 cm
5.1181 in
0.4265 ft
Landscape/portrait pivot-YesYes
Left pivot-90 °0 °
Right pivot-90 °90 °
Left/right swivelYesYesYes
Left swivel180 °30 °180 °
Right swivel180 °30 °180 °
Forward/backward tiltYesYesYes
Forward tilt5 °5 °5 °
Backward tilt35 °23 °23 °

Audio

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

Speakers2 x 4 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 3.0 (Type-A; downstream)
1 x USB 3.1 (Type-C; Gen 2; upstream; 15W; DP Alt Mode)
2 x HDMI 2.0
1 x DisplayPort 1.2 (a)
1 x 3.5 mm Audio Out
1 x USB (Type-C; upstream; 65W; DP Alt Mode)
4 x USB 3.2 (Type-A; downstream)
2 x HDMI 2.0
1 x DisplayPort 1.4
1 x 3.5 mm Audio Out
1 x USB (upstream)
2 x USB 3.2 (Type-A; downstream)
1 x USB 3.2 (Type-C; 65W; DP)
2 x HDMI 2.0
1 x DisplayPort 1.4
-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 Premium
Flicker-free technology
Light sensor
Low Blue Light
Pantone Validated
4-sided Narrow Bezel Design
Clear Vision
DDC2B/CI
Dynamic Colour Boost (DCB) technology
Dynamic Contrast Ratio (DCR) technology
Flicker-free technology
HDR Mode
KVM Switch
Low Blue Light
Picture-by-Picture
Picture-in-{icture
Clear Vision
Delta E < 2
Low Blue Light
KVM

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licensesCE
TÜV GS
ISO9241-307 class II
MPRII
CCC
CE
CECP
CEL
CH RoHS
cTUVus
FCC
ISO 9241-307
RoHS
TUV Rheinland Low Blue Light
Win10
CCC
CH RoHS
CEL
CECP
Win10
TUV
CE
FCC
cTUVus
ISO 9241-307
Bauart

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

Accessories

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

AccessoriesHDMI Cable
USB 3.0 cable
USB Type-C cable
Shielding Hood
HDMI cable-

Additional features

Information about other features.

Additional featuresAnti-theft stand lock slot - KensingtonAnti-theft stand lock slot - Kensington-
 Acer CM3271KAOC U27U2AOC LV273HUPR