Comparison between Dell P3421W vs Dell UltraSharp U3818DW

General Info
Model Number	Dell P3421W	Dell UltraSharp U3818DW

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2017
Brand	Dell	Dell
Model Number	P3421W	UltraSharp U3818DW
Display
Screen Size Class	34" (inches)	38" (inches)
Diagonal Size	34.14 in 86.7 cm 867.2 mm 2.85 ft	37.5 in 95.3 cm 952.5 mm 3.13 ft
Screen Width	31.49 in 80 cm 799.8 mm 2.62 ft	34.63 in 88 cm 879.67 mm 2.89 ft
Screen Height	13.18 in 33.5 cm 334.8 mm 1.1 ft	14.43 in 36.7 cm 366.53 mm 1.2 ft
Display Curvature	3800	2300
Display Manufacturer	LG Display	LG Display
Display Type	IPS	AH-IPS
Display Bit Depth	10 bits	10 bits
Frame Rate Control		No
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	21:9
Screen Resolution	3440 x 1440	3840 x 1600
Screen Pixel Pitch	0.233 mm	0.229 mm
Screen Pixel Density	109 ppi	111 ppi
Screen-to-Body Ratio		90.89 %
Backlight Source	W-LED	W-LED
DCI P3		78.1%
sRGB	99 %	99 %
Screen Brightness	300 cd/m²	350 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag		25 ms
Display Minimum Response Time	5 ms	5 ms
Display Average Response Time	8 ms	8 ms
Display Maximum Response Time		20 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth		2.19 in 5.6 cm 55.5 mm 0.18 ft
Case Weight	6.7 kg 15 lbs	9.05 kg 20 lbs
Case Width with Stand	32.11 in 81.6 cm 815.7 mm 2.68 ft	35.2 in 89.4 cm 894 mm 2.93 ft
Case Height with Stand	15.4 in 39.1 cm 391.1 mm 1.28 ft	17.01 in 43.2 cm 432 mm 1.42 ft
Case Depth with Stand	9.35 in 23.7 cm 237.4 mm 0.78 ft	8.91 in 22.6 cm 226.4 mm 0.74 ft
Case Weight with Stand		12.14 kg 27 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)	2 x USB 3.0 (upstream) 2 x HDMI 2.0 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 4 x USB 3.0 (downstream) 1 x USB 3.0 (Type-C)
Audio
Audio Speakers	2 x 5W	2 x 9W
Features
Cool Features	KVM Switch Low Blue Light Picture-in-Picture Picture-by-Picture ComfortView Flicker-free technology	Picture-in-Picture HDCP (High-bandwidth Digital Content Protection) Picture-by-Picture
Extra Features	Security lock slot	Security lock slot
Ergonomics
Case Width	32.11 in 81.6 cm 815.7 mm 2.68 ft	35.2 in 89.4 cm 894 mm 2.93 ft
Case Height		15.62 in 39.7 cm 396.8 mm 1.3 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	115 mm 11.5 cm 4.5276 in 0.3773 ft
Landscape or Portrait Pivot Support	Yes	No
Left Pivot	4 °
Right Pivot	4 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	30 °	30 °
Right Swivel	30 °	30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	60 Hz	60 Hz
Screen Interpolation Measurement Unit	NULL
Accessories
Extras	DisplayPort cable HDMI cable USB Type-A to Type-B cable USB Type-C to Type-C cable	DisplayPort cable Factory Calibration Report HDMI cable USB 3.0 upstream cable USB Type-C cable
Certificates and Standards
Licenses	Energy Star EPEAT RoHS TCO Certified Displays TUV Rheinland Flicker Free Certified TUV Rheinland Low Blue Light Certified	CECP CEL ENERGY STAR RoHS Compliant TCO Certified Displays
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 %	5 % - 90 %
Max Operating Altitude	5000	5000
Max Storage Altitude	12192	12192

Dell P3421W

Dell UltraSharp U3818DW