Comparison between Dell U2417HWi vs Dell S2421HS

General Info
Model Number	Dell U2417HWi	Dell S2421HS

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2016	2020
Brand	Dell	Dell
Model Number	U2417HWi	S2421HS
Alias		S2421HSX
Display
Screen Size Class	24" (inches)	24" (inches)
Diagonal Size	23.81 in 60.5 cm 604.7 mm 1.98 ft	23.8 in 60.4 cm 604.478 mm 1.98 ft
Screen Width	20.75 in 52.7 cm 527.04 mm 1.73 ft	20.75 in 52.7 cm 527.04 mm 1.73 ft
Screen Height	11.67 in 29.6 cm 296.46 mm 0.97 ft	11.67 in 29.6 cm 296.46 mm 0.97 ft
Display Manufacturer	Samsung
Display Type	PLS	IPS
Display Bit Depth	8 bits (6 bits + FRC)	8 bits
Frame Rate Control	Yes
Max Number of Colors	16777216	16777216
Bits	24	24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	1920 x 1080	1920 x 1080
Screen Pixel Pitch	0.275 mm	0.275 mm
Screen Pixel Density	92 ppi	92 ppi
Screen-to-Body Ratio	90.26 %	90.06 %
Backlight Source	W-LED	W-LED
sRGB	90 %
Adobe RGB 1998	65 %
NTSC 1953	72 %	72 %
Screen Brightness	250 cd/m²	250 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	2000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	8 ms	4 ms
Display Average Response Time	14 ms	8 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	1.8 in 4.6 cm 45.6 mm 0.15 ft	2.12 in 5.4 cm 53.8 mm 0.18 ft
Case Weight	3.28 kg 7 lbs	3.2 kg 7 lbs
Case Width with Stand	21.22 in 53.9 cm 539.1 mm 1.77 ft	21.17 in 53.8 cm 537.8 mm 1.76 ft
Case Height with Stand	14.01 in 35.6 cm 355.8 mm 1.17 ft	13.65 in 34.7 cm 346.8 mm 1.14 ft
Case Depth with Stand	7.28 in 18.5 cm 185 mm 0.61 ft	6.29 in 16 cm 159.7 mm 0.52 ft
Case Weight with Stand	5.42 kg 12 lbs	4.8 kg 11 lbs
Case Color	Black	Black, Silver
Hardware
Built-in Camera	No	No
Connectivity	1 x HDMI 1.4 1 x 3.5 mm Audio Out 4 x USB 3.0 (downstream) 1 x USB 3.0 (upstream)	1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x DisplayPort 1.2
Audio
Features
Cool Features	Wi-Fi Display	Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology
Extra Features	Security lock slot	Anti-theft stand lock slot - Kensington S2421HS - silver S2421HSX - black
Ergonomics
Case Width	21.22 in 53.9 cm 539.1 mm 1.77 ft	21.17 in 53.8 cm 537.8 mm 1.76 ft
Case Height	12.64 in 32.1 cm 321.1 mm 1.05 ft	12.7 in 32.3 cm 322.6 mm 1.06 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	100 mm 10 cm 3.937 in 0.3281 ft
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	0 °	90 °
Right Pivot	90 °	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	45 °	30 °
Right Swivel	45 °	30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	56 Hz - 76 Hz	48 Hz - 75 Hz
Horizontal Digital Frequency	30 kHz - 83 kHz	30 kHz - 83 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	HDMI cable USB 3.0 upstream cable	HDMI cable
Certificates and Standards
Licenses	ENERGY STAR 6.0 RoHS Compliant TCO Certified Displays	ENERGY STAR 8.0 EPEAT RoHS TCO Certified TUV Flicker Free TUV Low Blue Light
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 U2417HWi

Dell S2421HS