Comparison between:
- 27" ViewSonic VP2785-4K
- 31.5" Dell UltraSharp U3219Q
- 34" Xiaomi Mi Curved Display 34

Brand, series, model

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

ViewSonic VP2785-4KDell UltraSharp U3219QXiaomi Mi Curved Display 34
Series-UltraSharp-
ViewSonic VP2785-4KDell UltraSharp U3219QXiaomi Mi Curved Display 34
Model alias--XMMNTWQ34
Model year201720182019

Display

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

Size class27 in31.5 in34 in
Diagonal685.9 mm
68.59 cm
27.0039 in
2.2503 ft
801 mm
80.1 cm
31.5354 in
2.628 ft
863.6 mm
86.36 cm
34 in
2.8333 ft
Width596.74 mm
59.674 cm
23.4937 in
1.9578 ft
697.31 mm
69.731 cm
27.4531 in
2.2878 ft
799.8 mm
79.98 cm
31.4882 in
2.624 ft
Height335.66 mm
33.566 cm
13.215 in
1.1012 ft
392.23 mm
39.223 cm
15.4421 in
1.2868 ft
334.8 mm
33.48 cm
13.1811 in
1.0984 ft
Radius of curvature--1500 mm
150 cm
59.0551 in
4.9213 ft
Panel manufacturerLG DisplayLG DisplaySamsung
Panel modelLM270WR4-SSA1LM315WR1-????-
Panel typeAH-IPSIPSSVA
Panel bit depth10 bits (8 bits + FRC)10 bits (8 bits + FRC)8 bits
FRCYesYes-
LUT3D LUT
14 bits
--
Colors1073741824 colors
30 bits
1073741824 colors
30 bits
16777216 colors
24 bits
Aspect ratio1.778:1
16:9
1.778:1
16:9
2.389:1
Resolution3840 x 2160 pixels
Ultra HD (UHD) / 4K / 2160p
3840 x 2160 pixels
Ultra HD (UHD) / 4K / 2160p
3440 x 1440 pixels
Pixel pitch0.155 mm
0.0155 cm
0.0061 in
0.0005 ft
0.182 mm
0.0182 cm
0.0071 in
0.0006 ft
0.232 mm
0.0232 cm
0.0091 in
0.0008 ft
Pixel density163 ppi
64 ppcm
140 ppi
55 ppcm
109 ppi
43 ppcm
Display area90.18 %92.61 %-
BacklightW-LEDW-LEDW-LED
sRGB100 %99 %121 %
Adobe RGB (1998)99 %80 %-
NTSC (1953)75.06 %-85 %
DCI P396.4 %95 %-
Brightness350 cd/m²400 cd/m²300 cd/m²
Static contrast1000 : 11300 : 13000 : 1
Dynamic contrast20000000 : 1-80000000 : 1
HDRHDR10HDR10
DisplayHDR 400
-
Horizontal viewing angle178 °178 °178 °
Vertical viewing angle178 °178 °178 °
Minimum response time7 ms
0.0070 s
5 ms
0.0050 s
4 ms
0.0040 s
Average response time14 ms
0.0140 s
8 ms
0.0080 s
-
Input lag30 ms
0.0300 s
9 ms
0.0090 s
-
CoatingAnti-glare/Matte (3H)Anti-glare/Matte (3H)Anti-glare/Matte
--PFS Phosphor W-LED

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.

Vertical frequency (digital)60 Hz60 Hz48 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 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 A-
Power consumption (off)-0.3 W-
Power consumption (sleep)-0.5 W-
Power consumption (eco)45 W--
Power consumption (average)55 W46 W-
Power consumption (maximum)70 W230 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.

Width612.4 mm
61.24 cm
24.1102 in
2.0092 ft
712.5 mm
71.25 cm
28.0512 in
2.3376 ft
-
Height362.7 mm
36.27 cm
14.2795 in
1.19 ft
414.5 mm
41.45 cm
16.3189 in
1.3599 ft
-
Depth57.58 mm
5.758 cm
2.2669 in
0.1889 ft
44.5 mm
4.45 cm
1.752 in
0.146 ft
-
Weight3.92 kg
8.64 lbs
5.8 kg
12.79 lbs
-
Width with stand612.4 mm
61.24 cm
24.1102 in
2.0092 ft
610.9 mm
61.09 cm
24.0512 in
2.0043 ft
810.39 mm
81.039 cm
31.9051 in
2.6588 ft
Height with stand545.51 mm
54.551 cm
21.4768 in
1.7897 ft
452.7 mm
45.27 cm
17.8228 in
1.4852 ft
520.61 mm
52.061 cm
20.4965 in
1.708 ft
Depth with stand214.96 mm
21.496 cm
8.463 in
0.7052 ft
157.6 mm
15.76 cm
6.2047 in
0.5171 ft
242.53 mm
24.253 cm
9.5484 in
0.7957 ft
Weight with stand6.4 kg
14.11 lbs
9.6 kg
21.16 lbs
-
Box width720 mm
72 cm
28.3465 in
2.3622 ft
-990 mm
99 cm
38.9764 in
3.248 ft
Box height460 mm
46 cm
18.1102 in
1.5092 ft
-520.6 mm
52.06 cm
20.4961 in
1.708 ft
Box depth268 mm
26.8 cm
10.5512 in
0.8793 ft
-242.5 mm
24.25 cm
9.5472 in
0.7956 ft
Box weight10.13 kg
22.33 lbs
-10.5 kg
23.15 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 range130 mm
13 cm
5.1181 in
0.4265 ft
150 mm
15 cm
5.9055 in
0.4921 ft
-
Landscape/portrait pivotYesYes-
Left pivot0 °90 °-
Right pivot90 °90 °-
Left/right swivelYesYesYes
Left swivel60 °30 °-
Right swivel60 °30 °-
Forward/backward tiltYesYes-
Forward tilt5 °5 °-
Backward tilt21 °21 °-

Camera

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

CameraNoNoNo

Connectivity

Available connectivity ports, slots and interfaces.

Connectivity3 x USB 3.0 (downstream)
1 x USB 3.0 (upstream)
1 x USB 3.1 (Type-C)
2 x HDMI 2.0
1 x DisplayPort 1.4
1 x DisplayPort 1.4 (Input mini)
1 x 3.5 mm Audio Out
4 x USB 3.0 (downstream)
1 x USB 3.0 (upstream)
1 x USB 3.1 (Type-C - 90 W)
1 x HDMI 2.0
1 x DisplayPort 1.4
1 x 3.5 mm Audio Out
2 x HDMI 2.0
2 x DisplayPort 1.4
1 x 3.5 mm Audio Out
High-bandwidth Digital Content Protection (HDCP)High-bandwidth Digital Content Protection (HDCP) 2.2-

Features

Some additional functional features of the model.

FeaturesEcoModes
Hardware calibration ready
Light sensor
Picture-by-Picture
Picture-in-Picture
DDC/CI
Flicker-free technology
Picture-by-Picture
Picture-in-Picture
AMD FreeSync Premium
Low Blue Light
Picture-by-Picture
Picture-in-Picture

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licensesCB
CE
CCC
EAC / CU
ENERGY STAR
ErP
FCC class B
ICES-003
RoHS2
TCO Certified Displays
WEEE
CECP
ENERGY STAR
Epeat Gold
RoHS compliant
TCO Certified Displays
-

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
0 °C - 40 °C
32 °F - 104 °F
Operating humidity20 % - 90 %10 % - 80 %10 % - 90 %
Operating altitude3048 m
10000 ft
5000 m
16404.2 ft
-
Storage temperature-20 °C - 60 °C
-4 °F - 140 °F
-20 °C - 60 °C
-4 °F - 140 °F
-
Storage humidity5 % - 90 %5 % - 90 %-
Storage altitude12192 m
40000 ft
12192 m
40000 ft
-

Accessories

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

AccessoriesDisplayPort cable - mini-DP to DP
HDMI cable
USB 3.0 upstream cable
DisplayPort cable
USB Type-C cable
USB 3.0 upstream cable
-

Additional features

Information about other features.

Additional featuresAnti-theft stand lock slot - KensingtonSecurity lock slot-
 ViewSonic VP2785-4KDell UltraSharp U3219QXiaomi Mi Curved Display 34