Comparison between Dell P3421W vs ViewSonic VA3456-MHDJ

General Info
Model Number	Dell P3421W	ViewSonic VA3456-MHDJ

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2021
Brand	Dell	ViewSonic
Model Number	P3421W	VA3456-MHDJ
Display
Screen Size Class	34" (inches)	34" (inches)
Diagonal Size	34.14 in 86.7 cm 867.2 mm 2.85 ft	34.13 in 86.7 cm 867 mm 2.84 ft
Screen Width	31.49 in 80 cm 799.8 mm 2.62 ft	31.49 in 80 cm 799.8 mm 2.62 ft
Screen Height	13.18 in 33.5 cm 334.8 mm 1.1 ft	13.18 in 33.5 cm 334.8 mm 1.1 ft
Display Curvature	3800	1800
Display Manufacturer	LG Display
Display Type	IPS	IPS
Display Bit Depth	10 bits	10 bits (8 bits + FRC)
Frame Rate Control		Yes
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	21:9	21:9
Screen Resolution	3440 x 1440	3440 x 1440
Screen Pixel Pitch	0.233 mm	0.233 mm
Screen Pixel Density	109 ppi	109 ppi
Screen-to-Body Ratio		89.31 %
Backlight Source	W-LED	W-LED
sRGB	99 %	104 %
NTSC 1953		72 %
Screen Brightness	300 cd/m²	400 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast		50000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	5 ms	4 ms
Display Average Response Time	8 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR		HDR10
3D	No	No
Size, weight, color
Case Depth		2.32 in 5.9 cm 59 mm 0.19 ft
Case Weight	6.7 kg 15 lbs	6.8 kg 15 lbs
Case Width with Stand	32.11 in 81.6 cm 815.7 mm 2.68 ft	32.17 in 81.7 cm 817 mm 2.68 ft
Case Height with Stand	15.4 in 39.1 cm 391.1 mm 1.28 ft	16.27 in 41.3 cm 413.31 mm 1.36 ft
Case Depth with Stand	9.35 in 23.7 cm 237.4 mm 0.78 ft	7.91 in 20.1 cm 201 mm 0.66 ft
Case Weight with Stand		9.2 kg 20 lbs
Case Color	Black and Silver	Black
Hardware
Built-in Camera	No	No
Connectivity	2 x USB 3.2 (Type-A; Gen 1; downstream; 5 Gbps) 1 x USB 3.2 (Type-B; Gen 1; upstream) 1 x DisplayPort 1.2 1 x HDMI 2.0 2 x USB 2.0 (Type-A; downstream) 1 x USB 3.1 (Type-C; upstream; 65W; DP Alt Mode)	1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.4
Audio
Audio Speakers	2 x 5W	2 x 3W
Features
Cool Features	KVM Switch Low Blue Light Picture-in-Picture Picture-by-Picture ComfortView Flicker-free technology	ECO Mode Flicker-free technology SuperClear IPS Low Blue Light 3-side borderless design Adaptive-Sync technology
Extra Features	Security lock slot	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	32.11 in 81.6 cm 815.7 mm 2.68 ft	32.17 in 81.7 cm 817 mm 2.68 ft
Case Height		14.45 in 36.7 cm 367 mm 1.2 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 100	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	Yes	Yes
Height Adjustment Range	150 mm 15 cm 5.9055 in 0.4921 ft	100 mm 10 cm 3.937 in 0.3281 ft
Landscape or Portrait Pivot Support	Yes	No
Left Pivot	4 °
Right Pivot	4 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	30 °	180 °
Right Swivel	30 °	180 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	4 °
Backward Tilt	21 °	20 °
Frequency and Interpolation
Vertical Digital Frequency	60 Hz	24 Hz - 76 Hz
Horizontal Digital Frequency		15 kHz - 120 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	DisplayPort cable HDMI cable USB Type-A to Type-B cable USB Type-C to Type-C cable	HDMI cable
Certificates and Standards
Licenses	Energy Star EPEAT RoHS TCO Certified Displays TUV Rheinland Flicker Free Certified TUV Rheinland Low Blue Light Certified	CB CE CE EMC CEC cTUVus EAC ErP FCC-B ICES003 MX-CoC Mexico Energy RCM REACH UkrSEPRO WEEE
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 40 °C 32 °F - 104 °F	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	10 % - 80 %	20 % - 90 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 90 %	5 % - 90 %
Max Operating Altitude	5000	5000
Max Storage Altitude	12192	12192

Dell P3421W

ViewSonic VA3456-MHDJ