Comparison between ViewSonic VP3481a vs Dell U4021QW

General Info
Model Number	ViewSonic VP3481a	Dell U4021QW

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2021
Brand	ViewSonic	Dell
Model Number	VP3481a	U4021QW
Display
Screen Size Class	34" (inches)	40" (inches)
Diagonal Size	34 in 86.4 cm 863.6 mm 2.83 ft
Screen Width	31.49 in 80 cm 799.8 mm 2.62 ft	37.27 in 94.7 cm 946.6 mm 3.11 ft
Screen Height	13.18 in 33.5 cm 334.8 mm 1.1 ft
Display Curvature	1800	2500
Display Type	MVA	IPS
Display Bit Depth	8 bits	10 bits
Frame Rate Control	No
Lut	3D LUT 14 bits
Max Number of Colors	16777216	1073741824
Bits	24	30
Screen Aspect Ratio	21:9	21:9
Screen Resolution	3440 x 1440	5120 x 2160
Screen Pixel Pitch	0.233 mm
Screen Pixel Density	109 ppi
Screen-to-Body Ratio	90.44 %
Backlight Source	W-LED	W-LED
DCI P3		98%
sRGB	99 %	100 %
Screen Brightness	400 cd/m²	300 cd/m²
Static Screen Contrast	3000 : 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	5 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	4.13 in 10.5 cm 105 mm 0.34 ft
Case Weight	7.4 kg 16 lbs
Case Width with Stand	31.85 in 80.9 cm 809 mm 2.65 ft	37.27 in 94.7 cm 946.6 mm 3.11 ft
Case Height with Stand	18.9 in 48 cm 480 mm 1.57 ft	18.02 in 45.8 cm 457.8 mm 1.5 ft
Case Depth with Stand	11.77 in 29.9 cm 299 mm 0.98 ft	9.76 in 24.8 cm 248 mm 0.81 ft
Case Weight with Stand	12.1 kg 27 lbs	9.5 kg 21 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x USB 3.1 (Type-C; Gen 1; upstream; 90W) 1 x Ethernet RJ45 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out 2 x HDMI 2.0 2 x USB 2.0 (Type-A; downstream) 1 x USB 2.0 (Type-B; upstream)	1 x USB 3.2 (Type-C; downstream; 15W) 1 x Ethernet RJ45 (Gigabit) 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out (line-out for speakers) 1 x Thunderbolt 3.0 (Type-C; upstream; 90W; DP Alt Mode) 2 x HDMI 2.0 4 x USB 3.2 (Type-A; Gen 1; downstream) 1 x USB 3.2 (Type-B; Gen 1; upstream)
Audio
Audio Speakers	2 x 5W	2 x 9W
Features
Cool Features	Low Blue Light AMD FreeSync technology Flicker-free technology	KVM Switch Low Blue Light Picture-in-Picture Picture-by-Picture ComfortView Plus Flicker-free technology
Extra Features	Anti-theft stand lock slot - Kensington	Security lock slot
Ergonomics
Case Width	31.85 in 80.9 cm 809 mm 2.65 ft
Case Height	14.41 in 36.6 cm 366 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	130 mm 13 cm 5.1181 in 0.4265 ft	120 mm 12 cm 4.7244 in 0.3937 ft
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	Yes	Yes
Left Swivel	60 °	30 °
Right Swivel	60 °	30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	6 °	5 °
Backward Tilt	21 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	24 Hz - 100 Hz	60 Hz
Horizontal Digital Frequency	15 kHz - 135 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	Audio cable DisplayPort cable HDMI cable USB 3.1 Type-C cable USB 3.1 upstream cable	DisplayPort cable HDMI cable Thunderbolt 4 (USB-C) Active Cable USB Type-A to Type-B cable
Certificates and Standards
Licenses	cTUVus Energy Star EPEAT FCC-B ICES003 MX-CoC Mexico Energy
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 % - 90 %	10 % - 80 %
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	3048	5000
Max Storage Altitude	12192	12192

ViewSonic VP3481a

Dell U4021QW