Comparison between Dell S2421HS vs Dell P3418HW

General Info
Model Number	Dell S2421HS	Dell P3418HW

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2017
Brand	Dell	Dell
Model Number	S2421HS	P3418HW
Alias	S2421HSX
Display
Screen Size Class	24" (inches)	34" (inches)
Diagonal Size	23.8 in 60.4 cm 604.478 mm 1.98 ft	34.13 in 86.7 cm 867 mm 2.84 ft
Screen Width	20.75 in 52.7 cm 527.04 mm 1.73 ft	31.49 in 80 cm 799.8 mm 2.62 ft
Screen Height	11.67 in 29.6 cm 296.46 mm 0.97 ft	13.18 in 33.5 cm 334.8 mm 1.1 ft
Display Curvature		3800
Display Type	IPS	IPS
Display Bit Depth	8 bits	8 bits
Frame Rate Control		No
Max Number of Colors	16777216	16777216
Bits	24	24
Screen Aspect Ratio	16:9	21:9
Screen Resolution	1920 x 1080	2560 x 1080
Screen Pixel Pitch	0.275 mm	0.31 mm
Screen Pixel Density	92 ppi	81 ppi
Screen-to-Body Ratio	90.06 %	89.38 %
Backlight Source	W-LED	W-LED
sRGB		99 %
Adobe RGB 1998		75 %
NTSC 1953	72 %
Screen Brightness	250 cd/m²	300 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Screen Horizontal Viewing Angle	178 °	172 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	4 ms	5 ms
Display Average Response Time	8 ms	8 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	2.12 in 5.4 cm 53.8 mm 0.18 ft	2.02 in 5.1 cm 51.35 mm 0.17 ft
Case Weight	3.2 kg 7 lbs	6.81 kg 15 lbs
Case Width with Stand	21.17 in 53.8 cm 537.8 mm 1.76 ft	32.04 in 81.4 cm 813.9 mm 2.67 ft
Case Height with Stand	13.65 in 34.7 cm 346.8 mm 1.14 ft	16.44 in 41.8 cm 417.6 mm 1.37 ft
Case Depth with Stand	6.29 in 16 cm 159.7 mm 0.52 ft	8.91 in 22.6 cm 226.4 mm 0.74 ft
Case Weight with Stand	4.8 kg 11 lbs	10.09 kg 22 lbs
Case Color	Black, Silver	Gray
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x DisplayPort 1.2	2 x HDMI 1.4 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 (Input mini) 4 x USB 3.0 (downstream) 1 x USB 3.0 (upstream)
Audio
Audio Speakers		2 x 9W
Features
Cool Features	Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology	Low Blue Light Picture-by-Picture Picture-in-Picture Flicker-free technology HDCP (High-bandwidth Digital Content Protection)
Extra Features	Anti-theft stand lock slot - Kensington S2421HS - silver S2421HSX - black	Security lock slot
Ergonomics
Case Width	21.17 in 53.8 cm 537.8 mm 1.76 ft	32.04 in 81.4 cm 813.9 mm 2.67 ft
Case Height	12.7 in 32.3 cm 322.6 mm 1.06 ft	14.49 in 36.8 cm 368.1 mm 1.21 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	100 mm 10 cm 3.937 in 0.3281 ft	115 mm 11.5 cm 4.5276 in 0.3773 ft
Landscape or Portrait Pivot Support	Yes	No
Left Pivot	90 °
Right Pivot	90 °
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 °	25 °
Frequency and Interpolation
Vertical Digital Frequency	48 Hz - 75 Hz	56 Hz - 76 Hz
Horizontal Digital Frequency	30 kHz - 83 kHz	30 kHz - 83 kHz
Screen Interpolation Measurement Unit	NULL
Accessories
Extras	HDMI cable	DisplayPort cable - mini-DP to DP USB 3.0 upstream cable
Certificates and Standards
Licenses	ENERGY STAR 8.0 EPEAT RoHS TCO Certified TUV Flicker Free TUV Low Blue Light	RoHS Compliant
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	4000
Max Storage Altitude	12192	12192

Dell S2421HS

Dell P3418HW