Comparison between Dell U4021QW vs Dell S3422DW

General Info
Model Number	Dell U4021QW	Dell S3422DW

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2021	2021
Brand	Dell	Dell
Model Number	U4021QW	S3422DW
Display
Screen Size Class	40" (inches)	34" (inches)
Diagonal Size		34.03 in 86.4 cm 864.25 mm 2.84 ft
Screen Width	37.27 in 94.7 cm 946.6 mm 3.11 ft	31.39 in 79.7 cm 797.22 mm 2.62 ft
Screen Height		13.14 in 33.4 cm 333.7 mm 1.09 ft
Display Curvature	2500	1800
Display Type	IPS	VA
Display Bit Depth	10 bits	8 bits
Max Number of Colors	1073741824	16777216
Bits	30	24
Screen Aspect Ratio	21:9	21:9
Screen Resolution	5120 x 2160	3440 x 1440
Screen Pixel Pitch		0.232 mm
Screen Pixel Density		109 ppi
Screen-to-Body Ratio		90.4 %
Backlight Source	W-LED	W-LED
DCI P3	98%	92.4%
sRGB	100 %	98.8 %
Screen Brightness	300 cd/m²	300 cd/m²
Static Screen Contrast	1000 : 1	3000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	5 ms
Display Average Response Time	8 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth		2.52 in 6.4 cm 64.01 mm 0.21 ft
Case Weight		6.7 kg 15 lbs
Case Width with Stand	37.27 in 94.7 cm 946.6 mm 3.11 ft	31.82 in 80.8 cm 808.16 mm 2.65 ft
Case Height with Stand	18.02 in 45.8 cm 457.8 mm 1.5 ft	15.33 in 38.9 cm 389.36 mm 1.28 ft
Case Depth with Stand	9.76 in 24.8 cm 248 mm 0.81 ft	8.27 in 21 cm 210 mm 0.69 ft
Case Weight with Stand	9.5 kg 21 lbs	10.16 kg 22 lbs
Case Color	Black	Platinum Silver
Hardware
Built-in Camera	No	No
Connectivity	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)	2 x HDMI 2.0 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 2 x USB 3.0 (Type-A; downstream) 1 x USB 3.0 (Type-B; upstream)
Audio
Audio Speakers	2 x 9W	2 x 5W
Features
Cool Features	KVM Switch Low Blue Light Picture-in-Picture Picture-by-Picture ComfortView Plus Flicker-free technology	Dell Display Manager Flicker-free technology Picture-by-Picture Picture-in-Picture Low Blue Light AMD FreeSync technology ComfortView
Extra Features	Security lock slot	Security lock slot
Ergonomics
Case Width		31.82 in 80.8 cm 808.16 mm 2.65 ft
Case Height		14.34 in 36.4 cm 364.16 mm 1.19 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	120 mm 12 cm 4.7244 in 0.3937 ft	100 mm 10 cm 3.937 in 0.3281 ft
Landscape or Portrait Pivot Support	No	Yes
Left Pivot		4 °
Right Pivot		4 °
Left or Right Swivel Support	Yes	No
Left Swivel	30 °
Right Swivel	30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	60 Hz	48 Hz - 100 Hz
Horizontal Digital Frequency		30 kHz - 160 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	DisplayPort cable HDMI cable Thunderbolt 4 (USB-C) Active Cable USB Type-A to Type-B cable	HDMI cable USB 3.0 cable
Certificates and Standards
Licenses		Energy Star 8.0 EPEAT Gold RoHS TCO Certified Displays TÜV Rheinland 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 % - 80 %	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 %	10 % - 90 %
Max Operating Altitude	5000	5000
Max Storage Altitude	12192	12192

Dell U4021QW

Dell S3422DW