Comparison between Dell S2421HS vs Dell S2722DZ

General Info
Model Number	Dell S2421HS	Dell S2722DZ

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2021
Brand	Dell	Dell
Model Number	S2421HS	S2722DZ
Alias	S2421HSX
Display
Screen Size Class	24" (inches)	27" (inches)
Diagonal Size	23.8 in 60.4 cm 604.478 mm 1.98 ft	26.96 in 68.5 cm 684.66 mm 2.25 ft
Screen Width	20.75 in 52.7 cm 527.04 mm 1.73 ft	23.49 in 59.7 cm 596.736 mm 1.96 ft
Screen Height	11.67 in 29.6 cm 296.46 mm 0.97 ft	13.22 in 33.6 cm 335.664 mm 1.1 ft
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	16:9
Screen Resolution	1920 x 1080	2560 x 1440
Screen Pixel Pitch	0.275 mm	0.233 mm
Screen Pixel Density	92 ppi	109 ppi
Screen-to-Body Ratio	90.06 %	89.52 %
Backlight Source	W-LED	W-LED
sRGB		99 %
NTSC 1953	72 %
Screen Brightness	250 cd/m²	350 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	4 ms	4 ms
Display Average Response Time	8 ms	8 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No
Size, weight, color
Case Depth	2.12 in 5.4 cm 53.8 mm 0.18 ft	2.23 in 5.7 cm 56.74 mm 0.19 ft
Case Weight	3.2 kg 7 lbs	3.88 kg 9 lbs
Case Width with Stand	21.17 in 53.8 cm 537.8 mm 1.76 ft	24.08 in 61.2 cm 611.6 mm 2.01 ft
Case Height with Stand	13.65 in 34.7 cm 346.8 mm 1.14 ft	15.75 in 40 cm 400 mm 1.31 ft
Case Depth with Stand	6.29 in 16 cm 159.7 mm 0.52 ft	6.88 in 17.5 cm 174.7 mm 0.57 ft
Case Weight with Stand	4.8 kg 11 lbs	5.6 kg 12 lbs
Case Color	Black, Silver	Silver
Hardware
Built-in Camera	No	Yes
Connectivity	1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x DisplayPort 1.2	1 x USB 3.2 (Type-C; Gen 1; upstream; 65W; DP Alt Mode) 1 x HDMI 1.4 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 2 x USB 3.2 (Type-A; Gen 1; downstream) 1 x USB 3.2 (Type-B; Gen 1; upstream)
Audio
Audio Speakers		2 x 5W
Features
Cool Features	Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology	ComfortView Plus Dell Display Manager Low Blue Light Flicker-free technology Adaptive-Sync technology AMD FreeSync technology
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	24.08 in 61.2 cm 611.6 mm 2.01 ft
Case Height	12.7 in 32.3 cm 322.6 mm 1.06 ft	14.4 in 36.6 cm 365.84 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	100 mm 10 cm 3.937 in 0.3281 ft	110 mm 11 cm 4.3307 in 0.3609 ft
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	90 °	90 °
Right Pivot	90 °	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 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	48 Hz - 75 Hz	48 Hz - 75 Hz
Horizontal Digital Frequency	30 kHz - 83 kHz	30 kHz - 120 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	HDMI cable	USB Type-C to Type-C cable
Certificates and Standards
Licenses	ENERGY STAR 8.0 EPEAT RoHS TCO Certified TUV Flicker Free TUV Low Blue Light	Energy Star RoHS
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 S2421HS

Dell S2722DZ