Comparison between:
- 28" BenQ EL2870U
- 27" AOC U2790VQ
- 27" LG 27UK650
- 31.5" ViewSonic VX3211-4K-mhd

Brand, series, model

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

BenQ EL2870UAOC U2790VQLG 27UK650ViewSonic VX3211-4K-mhd
BenQ EL2870UAOC U2790VQLG 27UK650ViewSonic VX3211-4K-mhd
Model alias--27UK650-W-
Model year2018201920182018

Display

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

Size class28 in27 in27 in31.5 in
Diagonal709 mm
70.9 cm
27.9134 in
2.3261 ft
685.8 mm
68.58 cm
27 in
2.25 ft
684.7 mm
68.47 cm
26.9567 in
2.2464 ft
801 mm
80.1 cm
31.5354 in
2.628 ft
Width620.928 mm
62.0928 cm
24.446 in
2.0372 ft
596.74 mm
59.674 cm
23.4937 in
1.9578 ft
596.736 mm
59.6736 cm
23.4935 in
1.9578 ft
698.4 mm
69.84 cm
27.4961 in
2.2913 ft
Height341.28 mm
34.128 cm
13.4362 in
1.1197 ft
335.66 mm
33.566 cm
13.215 in
1.1012 ft
335.664 mm
33.5664 cm
13.2151 in
1.1013 ft
392.85 mm
39.285 cm
15.4665 in
1.2889 ft
Panel manufacturerInnoluxPandaLG Display-
Panel modelM280DGJ0-L30LM270PF1L--
Panel typeTNIPSAH-IPSVA
Panel bit depth10 bits (8 bits + FRC)10 bits (8 bits + FRC)10 bits (8 bits + FRC)10 bits (8 bits + FRC)
FRCYesYesYesYes
Colors1073741824 colors
30 bits
1073741824 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
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
3840 x 2160 pixels
Ultra HD (UHD) / 4K / 2160p
Pixel pitch0.162 mm
0.0162 cm
0.0064 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
0.182 mm
0.0182 cm
0.0072 in
0.0006 ft
Pixel density157 ppi
61 ppcm
163 ppi
64 ppcm
163 ppi
64 ppcm
139 ppi
54 ppcm
Display area--89.77 %86.88 %
BacklightW-LEDW-LEDW-LEDW-LED
sRGB97 %108 %99 %-
NTSC (1953)72 %91 %-95 %
DCI P370 %---
Brightness300 cd/m²350 cd/m²350 cd/m²300 cd/m²
Peak brightness--450 cd/m²-
Static contrast1000 : 11000 : 11000 : 13000 : 1
Dynamic contrast120000000 : 120000000 : 15000000 : 180000000 : 1
HDRHDR-HDR10HDR10
Horizontal viewing angle170 °178 °178 °178 °
Vertical viewing angle160 °178 °178 °178 °
Minimum response time1 ms
0.0010 s
5 ms
0.0050 s
5 ms
0.0050 s
3 ms
0.0030 s
Average response time4 ms
0.0040 s
-14 ms
0.0140 s
-
Input lag5 ms
0.0050 s
---
Coating-Anti-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.

3DNoNoNoNo

Frequencies

Information about the horizontal and vertical refresh rates/frequencies.

Horizontal frequency (digital)30 kHz - 135 kHz30 kHz - 83 kHz30 kHz - 135 kHz15 kHz - 204 kHz
Vertical frequency (digital)60 Hz60 Hz56 Hz - 61 Hz40 Hz - 60 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)0.5 W0.5 W0.3 W0.3 W
Power consumption (sleep)0.5 W0.5 W0.5 W0.5 W
Power consumption (eco)-22 W-35 W
Power consumption (average)55 W35 W32 W42 W
Power consumption (maximum)--45 W50 W
Power consumption (annual)--44 kWh-
Energy efficiency class-A+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--613 mm
61.3 cm
24.1339 in
2.0112 ft
729.7 mm
72.97 cm
28.7283 in
2.394 ft
Height--364 mm
36.4 cm
14.3307 in
1.1942 ft
432.8 mm
43.28 cm
17.0394 in
1.4199 ft
Depth--45 mm
4.5 cm
1.7717 in
0.1476 ft
64.32 mm
6.432 cm
2.5323 in
0.211 ft
Weight--4.6 kg
10.14 lbs
5.75 kg
12.68 lbs
Width with stand657.9 mm
65.79 cm
25.9016 in
2.1585 ft
614.9 mm
61.49 cm
24.2087 in
2.0174 ft
613 mm
61.3 cm
24.1339 in
2.0112 ft
729.7 mm
72.97 cm
28.7283 in
2.394 ft
Height with stand476.27 mm
47.627 cm
18.7508 in
1.5626 ft
445 mm
44.5 cm
17.5197 in
1.46 ft
567 mm
56.7 cm
22.3228 in
1.8602 ft
495.5 mm
49.55 cm
19.5079 in
1.6257 ft
Depth with stand149.6 mm
14.96 cm
5.8898 in
0.4908 ft
199.7 mm
19.97 cm
7.8622 in
0.6552 ft
230 mm
23 cm
9.0551 in
0.7546 ft
230.31 mm
23.031 cm
9.0673 in
0.7556 ft
Weight with stand5.7 kg
12.57 lbs
5.15 kg
11.35 lbs
6.2 kg
13.67 lbs
6.6 kg
14.55 lbs
Box width-703 mm
70.3 cm
27.6772 in
2.3064 ft
-838 mm
83.8 cm
32.9921 in
2.7493 ft
Box height-467 mm
46.7 cm
18.3858 in
1.5322 ft
-615 mm
61.5 cm
24.2126 in
2.0177 ft
Box depth-185 mm
18.5 cm
7.2835 in
0.607 ft
-282 mm
28.2 cm
11.1024 in
0.9252 ft
Box weight7.2 kg
15.87 lbs
6.71 kg
14.79 lbs
-10.1 kg
22.27 lbs
ColorsBlackBlack
Gray
WhiteBlack

Ergonomics

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

VESA mountYesYesYesYes
VESA interface100 x 100 mm100 x 100 mm100 x 100 mm100 x 100 mm
Removable standYesYesYesYes
Height adjustmentNo-YesNo
Height adjustment range--110 mm
11 cm
4.3307 in
0.3609 ft
-
Landscape/portrait pivotNo-YesNo
Left pivot--0 °-
Right pivot--90 °-
Left/right swivelNo--No
Forward/backward tiltYesYesYesYes
Forward tilt5 °3.5 °5 °5 °
Backward tilt15 °21.5 °15 °13 °

Audio

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

Speakers2 x 2 W--2 x 2.5 W

Camera

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

CameraNoNoNoNo

Connectivity

Available connectivity ports, slots and interfaces.

Connectivity2 x HDMI 2.0
1 x DisplayPort 1.4
1 x 3.5 mm Audio Out
1 x HDMI 1.4
2 x HDMI 2.0
2 x DisplayPort 1.2
1 x D-sub
1 x 3.5 mm Audio Out 2.0
2 x HDMI 2.0
1 x DisplayPort 1.2
1 x 3.5 mm Audio Out
2 x HDMI 2.0
1 x DisplayPort 1.2
1 x 3.5 mm Audio Out
High-bandwidth Digital Content Protection (HDCP) 2.2High-bandwidth Digital Content Protection (HDCP)High-bandwidth Digital Content Protection (HDCP) 2.2High-bandwidth Digital Content Protection (HDCP) 2.2

Features

Some additional functional features of the model.

FeaturesAMA (Advanced Motion Accelerator)
AMD FreeSync technology
Brightness Intelligence Plus
Flicker-free technology
Low Blue Light
Flicker-free technology
Low Blue Light
6-Axis Control
AMD FreeSync technology
Black Stabilizer
DDC/CI
Dynamic Action Sync
Flicker-free technology
Low Blue Light
Screen Split 2.0
AMD FreeSync technology
Blue Light Filter
Flicker-free technology
Picture-in-Picture

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licensesENERGY STAR 7.0
TÜV Flicker-free
TÜV Low Blue Light
WHQL (Windows 10; Windows 8.1; Windows 8; Windows 7)
CCC
CE
EAC
ENERGY STAR 7.0
RoHS
TCO Certified Displays 7.0
BSMI
CCC
CE
cTick
ENERGY STAR 7.0
Epeat Gold
ErP
FCC Class B
UL/cUL
BSMI
CB
CCC
CE EMC
CEL Level 1
cETLus
ENERGY STAR 7.0
ErP
eStandby
FCC Class B
ICES-003
PSE
REACH SVHC List & DoC
RoHS Green BOM
UL/cUL
VCCI
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 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 %10 % - 80 %10 % - 90 %
Operating altitude---3048 m
10000 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 %5 % - 85 %5 % - 90 %
Storage altitude---12192 m
40000 ft

Accessories

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

Accessories-HDMI cable
D-sub cable
DisplayPort cable
HDMI cable
HDMI cable

Additional features

Information about other features.

Additional featuresAnti-theft stand lock slot - KensingtonAnti-theft stand lock slot - KensingtonAnti-theft stand lock slotAnti-theft stand lock slot - Kensington
 BenQ EL2870UAOC U2790VQLG 27UK650ViewSonic VX3211-4K-mhd