Comparison between:
- 27" Dell U2722DE
- 31.5" Acer ET322QU
- 31.5" Acer EB321HQU Cbidpx

Brand, series, model

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

Dell U2722DEAcer ET322QUAcer EB321HQU Cbidpx
SeriesUltraSharpET2EB1
Dell U2722DEAcer ET322QUAcer EB321HQU Cbidpx
Model alias--EB321HQUCbidpx
Model year202120182019

Display

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

Size class27 in31.5 in31.5 in
Diagonal684.66 mm
68.466 cm
26.9551 in
2.2463 ft
801 mm
80.1 cm
31.5354 in
2.628 ft
801 mm
80.1 cm
31.5354 in
2.628 ft
Width596.736 mm
59.6736 cm
23.4935 in
1.9578 ft
697.344 mm
69.7344 cm
27.4545 in
2.2879 ft
698.88 mm
69.888 cm
27.515 in
2.2929 ft
Height335.664 mm
33.5664 cm
13.2151 in
1.1013 ft
392.256 mm
39.2256 cm
15.4431 in
1.2869 ft
393.12 mm
39.312 cm
15.4772 in
1.2898 ft
Panel typeIPSIPSIPS
Panel bit depth10 bits (8 bits + FRC)10 bits (8 bits + FRC)10 bits (8 bits + FRC)
FRCYesYesYes
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
Resolution2560 x 1440 pixels
Quad HD (QHD) / 1440p
2560 x 1440 pixels
Quad HD (QHD) / 1440p
2560 x 1440 pixels
Quad HD (QHD) / 1440p
Pixel pitch0.233 mm
0.0233 cm
0.0092 in
0.0008 ft
0.272 mm
0.0272 cm
0.0107 in
0.0009 ft
0.273 mm
0.0273 cm
0.0107 in
0.0009 ft
Pixel density109 ppi
42 ppcm
93 ppi
36 ppcm
93 ppi
36 ppcm
Display area93.08 %86.81 %89.16 %
BacklightW-LEDW-LEDW-LED
sRGB100 %--
NTSC (1953)-88 %72 %
DCI P395 %--
Brightness350 cd/m²250 cd/m²300 cd/m²
Static contrast1000 : 11200 : 11200 : 1
Dynamic contrast-100000000 : 1100000000 : 1
Horizontal viewing angle178 °178 °178 °
Vertical viewing angle178 °178 °178 °
Minimum response time5 ms
0.0050 s
4 ms
0.0040 s
4 ms
0.0040 s
Average response time8 ms
0.0080 s
--
CoatingAnti-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.

3DNoNoNo

Frequencies

Information about the horizontal and vertical refresh rates/frequencies.

Horizontal frequency (digital)31.47 kHz - 88.79 kHz30 kHz - 120 kHz-
Vertical frequency (digital)56 Hz - 60 Hz48 Hz - 75 Hz60 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)2.4 A--
Power consumption (off)0.3 W0.31 W0.4 W
Power consumption (sleep)0.3 W0.35 W0.45 W
Power consumption (eco)20.32 W--
Power consumption (average)20.4 W37 W-
Power consumption (maximum)197 W-50 W
Power consumption (annual)66.74 kWh--
Energy efficiency classE--

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.

Width611.34 mm
61.134 cm
24.0685 in
2.0057 ft
729.7 mm
72.97 cm
28.7283 in
2.394 ft
726.4 mm
72.64 cm
28.5984 in
2.3832 ft
Height352.01 mm
35.201 cm
13.8587 in
1.1549 ft
431.8 mm
43.18 cm
17 in
1.4167 ft
424.2 mm
42.42 cm
16.7008 in
1.3917 ft
Depth49.5 mm
4.95 cm
1.9488 in
0.1624 ft
71.1 mm
7.11 cm
2.7992 in
0.2333 ft
50.8 mm
5.08 cm
2 in
0.1667 ft
Weight4.78 kg
10.54 lbs
6.9 kg
15.21 lbs
5.8 kg
12.79 lbs
Width with stand611.34 mm
61.134 cm
24.0685 in
2.0057 ft
729.7 mm
72.97 cm
28.7283 in
2.394 ft
726.4 mm
72.64 cm
28.5984 in
2.3832 ft
Height with stand385.13 mm
38.513 cm
15.1626 in
1.2635 ft
521.3 mm
52.13 cm
20.5236 in
1.7103 ft
480.1 mm
48.01 cm
18.9016 in
1.5751 ft
Depth with stand185 mm
18.5 cm
7.2835 in
0.607 ft
227.6 mm
22.76 cm
8.9606 in
0.7467 ft
180.3 mm
18.03 cm
7.0984 in
0.5915 ft
Weight with stand7.02 kg
15.48 lbs
6.78 kg
14.95 lbs
6.4 kg
14.11 lbs
Box width--927.1 mm
92.71 cm
36.5 in
3.0417 ft
Box height--520.7 mm
52.07 cm
20.5 in
1.7083 ft
Box depth--152.4 mm
15.24 cm
6 in
0.5 ft
Box weight10.01 kg
22.07 lbs
-8.6 kg
18.96 lbs
Stand width268 mm
26.8 cm
10.5512 in
0.8793 ft
--
Stand height185 mm
18.5 cm
7.2835 in
0.607 ft
--
Stand depth381.5 mm
38.15 cm
15.0197 in
1.2516 ft
--
ColorsBlack and silverWhiteWhite

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 adjustmentYesNoNo
Height adjustment range150 mm
15 cm
5.9055 in
0.4921 ft
--
Landscape/portrait pivotYesNoNo
Left pivot90 °--
Right pivot90 °--
Left/right swivelYesNoNo
Left swivel45 °--
Right swivel45 °--
Forward/backward tiltYesYesYes
Forward tilt5 °5 °5 °
Backward tilt21 °20 °15 °

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.

CameraNoNoNo

Connectivity

Available connectivity ports, slots and interfaces.

Connectivity1 x USB 3.2 (Type-C; upstream)
1 x USB 3.2 (Type-C; PD 15W)
1 x USB 3.2 (Type-C; DP 1.4; PD 90W)
1 x USB 3.2 (Type-A; BC 1.2)
3 x USB 3.2 (Type-A)
1 x Ethernet RJ45
1 x HDMI 1.4
1 x DisplayPort 1.4 (Output MST)
1 x DisplayPort 1.4
1 x 3.5 mm Audio Out
1 x HDMI
1 x DisplayPort 1.2
1 x D-sub
1 x 3.5 mm Audio In
1 x 3.5 mm Audio Out
1 x HDMI 1.4
1 x DisplayPort 1.2
1 x DVI-I
High-bandwidth Digital Content Protection (HDCP) 1.4High-bandwidth Digital Content Protection (HDCP) 2.2High-bandwidth Digital Content Protection (HDCP)

Features

Some additional functional features of the model.

FeaturesDell ComfortView Plus
Flicker-free technology
Low Blue Light
AMD FreeSync technology
Blue Light Filter
DDC/CI
Flicker-free technology
Blue Light Filter
DDC/CI
Flicker-free technology

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licensesENERGY STAR
EPEAT Gold
TCO Certified Edge Display
RoHS
NFPA 99
CE
ENERGY STAR
MPRII

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
--
Operating humidity10 % - 80 %--
Operating altitude5000 m
16404.2 ft
--
Storage temperature-20 °C - 60 °C
-4 °F - 140 °F
--
Storage humidity5 % - 90 %--
Storage altitude12192 m
40000 ft
--

Accessories

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

AccessoriesDisplayPort cable
USB Type-C to Type-A cable
USB Type-C to Type-C cable
D-sub cable
DisplayPort cable
-

Additional features

Information about other features.

Additional featuresSecurity lock slot--
 Dell U2722DEAcer ET322QUAcer EB321HQU Cbidpx