Comparison between:
- 34.1" ViewSonic VA3456-MHDJ
- 34.14" Dell P3421W
- 34" LG 34WQ75C
- 34" HP X34

Brand, series, model

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

ViewSonic VA3456-MHDJDell P3421WLG 34WQ75CHP X34
Series--UltraWide-
ViewSonic VA3456-MHDJDell P3421WLG 34WQ75CHP X34
Model alias--34WQ75C-B2V7W6AA
Model year2021202020222021

Display

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

Size class34.1 in34.14 in34 in34 in
Diagonal867 mm
86.7 cm
34.1339 in
2.8445 ft
867.2 mm
86.72 cm
34.1417 in
2.8451 ft
863.6 mm
86.36 cm
34 in
2.8333 ft
863.6 mm
86.36 cm
34 in
2.8333 ft
Width799.8 mm
79.98 cm
31.4882 in
2.624 ft
799.8 mm
79.98 cm
31.4882 in
2.624 ft
793.77 mm
79.377 cm
31.2508 in
2.6042 ft
799.8 mm
79.98 cm
31.4882 in
2.624 ft
Height334.8 mm
33.48 cm
13.1811 in
1.0984 ft
334.8 mm
33.48 cm
13.1811 in
1.0984 ft
340.19 mm
34.019 cm
13.3933 in
1.1161 ft
334.8 mm
33.48 cm
13.1811 in
1.0984 ft
Radius of curvature-3800 mm
380 cm
149.606 in
12.4672 ft
1500 mm
150 cm
59.0551 in
4.9213 ft
-
Panel manufacturer-LG DisplayLG DisplayBOE
Panel model-LM340UW7-SSA1LM340UW3-SSA1MV340VWM-NG0
Panel typeIPSIPSIPSIPS
Panel bit depth10 bits (8 bits + FRC)10 bits (8 bits + FRC)10 bits (8 bits + FRC)8 bits
FRCYesYesYesNo
Colors1073741824 colors
30 bits
1073741824 colors
30 bits
1073741824 colors
30 bits
16777216 colors
24 bits
Aspect ratio2.389:12.389:12.389:12.389:1
Resolution3440 x 1440 pixels3440 x 1440 pixels3440 x 1440 pixels3440 x 1440 pixels
Pixel pitch0.233 mm
0.0233 cm
0.0092 in
0.0008 ft
0.233 mm
0.0233 cm
0.0092 in
0.0008 ft
0.233 mm
0.0233 cm
0.0092 in
0.0008 ft
0.233 mm
0.0233 cm
0.0092 in
0.0008 ft
Pixel density109 ppi
43 ppcm
109 ppi
43 ppcm
110 ppi
43 ppcm
109 ppi
43 ppcm
Display area89.31 %-90.8 %89.09 %
BacklightW-LEDW-LEDW-LEDW-LED
sRGB104 %99 %99 %99 %
NTSC (1953)72 %-72 %-
DCI P3--95 %-
Brightness400 cd/m²300 cd/m²300 cd/m²-
Peak brightness---400 cd/m²
Static contrast1000 : 11000 : 11000 : 11000 : 1
Dynamic contrast50000000 : 1--100000 : 1
HDRHDR10-HDR10DisplayHDR 400
Horizontal viewing angle178 °178 °178 °178 °
Vertical viewing angle178 °178 °178 °178 °
Minimum response time4 ms
0.0040 s
5 ms
0.0050 s
5 ms
0.0050 s
-
Average response time-8 ms
0.0080 s
--
CoatingAnti-glare/Matte (3H)Anti-glare/Matte (3H)Anti-glare/Matte (3H)Anti-glare/Matte (3H)
--Response time - 1 ms (MBR - Motion Blur Reduction)Response time - 1 ms (MPRT - Motion Picture Response Time)

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)15 kHz - 120 kHz--30 kHz - 255 kHz
Vertical frequency (digital)24 Hz - 76 Hz60 Hz60 Hz48 Hz - 165 Hz
DisplayPort - 24 kHz - 120 kHz; 48 Hz - 76 Hz
HDMI - 15 kHz - 120 kHz; 24 Hz - 76 Hz
--Gaming Console Compatible

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)0.3 W0.3 W0.3 W-
Power consumption (sleep)0.5 W0.3 W0.5 W0.3 W
Power consumption (eco)37 W---
Power consumption (average)43 W32.75 W60 W48 W
Power consumption (maximum)45 W126 W150 W190 W
Power consumption (annual)---39 kWh
Energy efficiency class---G

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.

Width817 mm
81.7 cm
32.1654 in
2.6804 ft
815.7 mm
81.57 cm
32.1142 in
2.6762 ft
817 mm
81.7 cm
32.1654 in
2.6804 ft
816.5 mm
81.65 cm
32.1457 in
2.6788 ft
Height367 mm
36.7 cm
14.4488 in
1.2041 ft
-364 mm
36.4 cm
14.3307 in
1.1942 ft
368.1 mm
36.81 cm
14.4921 in
1.2077 ft
Depth59 mm
5.9 cm
2.3228 in
0.1936 ft
-84 mm
8.4 cm
3.3071 in
0.2756 ft
53.6 mm
5.36 cm
2.1102 in
0.1759 ft
Weight6.8 kg
14.99 lbs
6.7 kg
14.77 lbs
6.7 kg
14.77 lbs
8 kg
17.64 lbs
Width with stand817 mm
81.7 cm
32.1654 in
2.6804 ft
815.7 mm
81.57 cm
32.1142 in
2.6762 ft
817 mm
81.7 cm
32.1654 in
2.6804 ft
816.5 mm
81.65 cm
32.1457 in
2.6788 ft
Height with stand413.31 mm
41.331 cm
16.272 in
1.356 ft
391.1 mm
39.11 cm
15.3976 in
1.2831 ft
460 mm
46 cm
18.1102 in
1.5092 ft
-
Depth with stand201 mm
20.1 cm
7.9134 in
0.6594 ft
237.4 mm
23.74 cm
9.3465 in
0.7789 ft
260 mm
26 cm
10.2362 in
0.853 ft
-
Weight with stand9.2 kg
20.28 lbs
-8.6 kg
18.96 lbs
-
Box width900 mm
90 cm
35.4331 in
2.9528 ft
--1063 mm
106.3 cm
41.8504 in
3.4875 ft
Box height460 mm
46 cm
18.1102 in
1.5092 ft
--480 mm
48 cm
18.8976 in
1.5748 ft
Box depth230 mm
23 cm
9.0551 in
0.7546 ft
--187 mm
18.7 cm
7.3622 in
0.6135 ft
Box weight11.6 kg
25.57 lbs
14.9 kg
32.85 lbs
-13.3 kg
29.32 lbs
Stand depth--260 mm
26 cm
10.2362 in
0.853 ft
-
ColorsBlackBlack and SilverBlackBlack

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 adjustmentYesYesYesYes
Height adjustment range100 mm
10 cm
3.937 in
0.3281 ft
150 mm
15 cm
5.9055 in
0.4921 ft
110 mm
11 cm
4.3307 in
0.3609 ft
100 mm
10 cm
3.937 in
0.3281 ft
Landscape/portrait pivotNoYesNoYes
Left pivot-4 °-0 °
Right pivot-4 °-90 °
Left/right swivelYesYesNoNo
Left swivel180 °30 °--
Right swivel180 °30 °--
Forward/backward tiltYesYesYesYes
Forward tilt4 °5 °5 °5 °
Backward tilt20 °21 °20 °20 °
--One Click Stand-

Audio

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

Speakers2 x 3 W-2 x 7 W-
--MaxxAudio-

Camera

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

CameraNoNoNoNo

Network

Supported network technologies and standards for exchanging data with other devices.

Network--LAN-

Connectivity

Available connectivity ports, slots and interfaces.

Connectivity2 x HDMI 2.0
1 x DisplayPort 1.4
1 x 3.5 mm Audio Out
2 x USB 2.0 (Type-A; downstream)
1 x USB 3.1 (Type-C; upstream; 65W; DP Alt Mode)
2 x USB 3.2 (Type-A; Gen 1; downstream; 5 Gbps)
1 x USB 3.2 (Type-B; Gen 1; upstream)
1 x HDMI 2.0
1 x DisplayPort 1.2
1 x USB (Type-C; upstream; 90W; DP Alt Mode)
1 x USB 2.0 (Type-B; upstream)
2 x USB 2.0 (Type-A; downstream)
2 x USB 3.0 (Type-A; downstream)
1 x Ethernet RJ45
2 x HDMI 2.0
1 x DisplayPort 1.4
1 x 3.5 mm Audio Out
1 x HDMI 2.0
1 x DisplayPort 1.4
1 x 3.5 mm Audio Out
High-bandwidth Digital Content Protection (HDCP) 2.2High-bandwidth Digital Content Protection (HDCP) 2.3High-bandwidth Digital Content Protection (HDCP) 2.2High-bandwidth Digital Content Protection (HDCP)

Features

Some additional functional features of the model.

Features3-side borderless design
Adaptive-Sync technology
ECO Mode
Flicker-free technology
Low Blue Light
SuperClear IPS
ComfortView
Flicker-free technology
KVM Switch
Low Blue Light
Picture-by-Picture
Picture-in-Picture
3-sided Virtually Borderless Design
Black Stabilizer
Color Calibrated
Dual Controller
Dynamic Action Sync
Flicker-free technology
HDR Effect
KVM Switch
Picture-by-Picture
Reader Mode
Smart Energy Saving
Super Resolution+
3-sided Micro-Edge design
AMD FreeSync Premium
Flicker-free technology
HP Eye Ease
Low Blue Light
OMEN Gaming Hub

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licensesCB
CE
CE EMC
CEC
cTUVus
EAC
ErP
FCC-B
ICES003
MX-CoC
Mexico Energy
RCM
REACH
UkrSEPRO
WEEE
Energy Star
EPEAT
RoHS
TCO Certified Displays
TUV Rheinland Flicker Free Certified
TUV Rheinland Low Blue Light Certified
CE
cUL/UL
Energy Star
FCC-B
J-Moss
RoHS
TUV-Type
VCCI
Eyesafe certified
TÜV Rheinland Low Blue Light Certified

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
5 °C - 35 °C
41 °F - 95 °F
Operating humidity20 % - 90 %10 % - 80 %10 % - 80 %20 % - 80 %
Operating altitude5000 m
16404.2 ft
5000 m
16404.2 ft
-5000 m
16404.2 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
-20 °C - 60 °C
-4 °F - 140 °F
Storage humidity5 % - 90 %5 % - 90 %5 % - 85 %5 % - 95 %
Storage altitude12192 m
40000 ft
12192 m
40000 ft
-12192 m
40000 ft

Accessories

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

AccessoriesHDMI cableDisplayPort cable
HDMI cable
USB Type-A to Type-B cable
USB Type-C to Type-C cable
DisplayPort cable
HDMI cable
USB Type-C cable
DisplayPort cable

Additional features

Information about other features.

Additional featuresAnti-theft stand lock slot - KensingtonSecurity lock slotAnti-theft stand lock slot - KensingtonSecurity lock slot
 ViewSonic VA3456-MHDJDell P3421WLG 34WQ75CHP X34