Comparison between ViewSonic VG3456 vs Dell U3421WE

General Info
Model Number	ViewSonic VG3456	Dell U3421WE

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2021	2020
Brand	ViewSonic	Dell
Model Series		UltraSharp
Model Number	VG3456	U3421WE
Alias		UltraSharp U3421WE
Display
Screen Size Class	34" (inches)	34" (inches)
Diagonal Size	34 in 86.4 cm 863.6 mm 2.83 ft	34.14 in 86.7 cm 867.2 mm 2.85 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		1900
Display Manufacturer		LG Display
Display Type	VA	AH-IPS
Display Bit Depth	10 bits (8 bits + FRC)	10 bits
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	88.68 %
Backlight Source	W-LED	W-LED
DCI P3		95%
sRGB	95 %	99 %
Adobe RGB 1998	74 %
Screen Brightness	300 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	25 ms	8 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	2.01 in 5.1 cm 51 mm 0.17 ft
Case Weight	6.1 kg 13 lbs	7.52 kg 17 lbs
Case Width with Stand	32.48 in 82.5 cm 825 mm 2.71 ft	32.02 in 81.3 cm 813.3 mm 2.67 ft
Case Height with Stand	16.06 in 40.8 cm 407.8 mm 1.34 ft	15.46 in 39.3 cm 392.8 mm 1.29 ft
Case Depth with Stand	9.29 in 23.6 cm 236 mm 0.77 ft	9.35 in 23.7 cm 237.4 mm 0.78 ft
Case Weight with Stand	8.8 kg 19 lbs	11.87 kg 26 lbs
Case Color	Black	Platinum Silver
Hardware
Built-in Camera	No	No
Network	LAN
Connectivity	1 x USB 3.2 (Type-B; upstream) 1 x Ethernet RJ45 1 x DisplayPort 1.2 (Input mini) 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 2 x HDMI 1.4 1 x USB (Type-C; upstream; 90W; DP Alt Mode) 3 x USB 3.2 (Type-A; downstream)	4 x USB 3.2 (Type-A; Gen 1; downstream; 5 Gbps) 1 x USB 3.2 (Type-B; Gen 1; upstream) 2 x HDMI 2.0 1 x 3.5 mm Audio Out 1 x DisplayPort 1.4 1 x Ethernet RJ45 1 x USB 3.1 (Type-C; upstream; 90W; DP Alt Mode) 1 x USB 3.1 (Type-C; downstream; 15W)
Audio
Audio Speakers	2 x 3W	2 x 5W
Features
Cool Features	SuperClear IPS vDisplay Manager software Blue Light Filter Flicker-free technology	KVM Switch Low Blue Light Picture-in-Picture Picture-by-Picture ComfortView Flicker-free technology
Extra Features	Anti-theft stand lock slot - Kensington	Security lock slot
Ergonomics
Case Width	32.48 in 82.5 cm 825 mm 2.71 ft	32.02 in 81.3 cm 813.3 mm 2.67 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	150 mm 15 cm 5.9055 in 0.4921 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	5 °	5 °
Backward Tilt	40 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	24 Hz - 100 Hz	60 Hz
Horizontal Digital Frequency	15 kHz - 150 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	HDMI cable USB Type-C cable USB A/B cable	DisplayPort cable HDMI cable USB Type-A to Type-B cable USB Type-C to Type-C cable
Certificates and Standards
Licenses	cTUVus FCC-B ICES003 Energy Star 8.0 EPEAT Silver CEC MX-CoC Mexico Energy CE CE EMC CB RoHS ErP REACH WEEE	Energy Star EPEAT Gold RoHS TCO Certified Displays TUV Rheinland Flicker Free Certified TUV Rheinland Low Blue Light Certified
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 VG3456

Dell U3421WE