Comparison between Dell S2721DS vs Dell U2722DE

General Info
Model Number	Dell S2721DS	Dell U2722DE

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Type	Monitor	Monitor
Year	2020	2021
Brand	Dell	Dell
Model Series		UltraSharp
Model Number	S2721DS	U2722DE
Display
Screen Size Class	27" (inches)	27" (inches)
Diagonal Size	26.96 in 68.5 cm 684.7 mm 2.25 ft	26.96 in 68.5 cm 684.7 mm 2.25 ft
Screen Width	23.49 in 59.7 cm 596.736 mm 1.96 ft	23.49 in 59.7 cm 596.736 mm 1.96 ft
Screen Height	13.22 in 33.6 cm 335.664 mm 1.1 ft	13.22 in 33.6 cm 335.664 mm 1.1 ft
Display Type	IPS	IPS
Display Bit Depth	8 bits	10 bits
Max Number of Colors	16777216	1073741824
Bits	24	30
Screen Aspect Ratio	16:9	16:9
Screen Resolution	2560 x 1440	2560 x 1440
Screen Pixel Pitch	0.233 mm	0.233 mm
Screen Pixel Density	109 ppi	109 ppi
Screen-to-Body Ratio	89.83 %	93.08 %
Backlight Source	W-LED	W-LED
DCI P3		95%
sRGB	99 %	100 %
Screen Brightness	350 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	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	2.18 in 5.5 cm 55.4 mm 0.18 ft	1.95 in 5 cm 49.5 mm 0.16 ft
Case Weight	4.4 kg 10 lbs	4.78 kg 11 lbs
Case Width with Stand	24.08 in 61.2 cm 611.6 mm 2.01 ft	24.07 in 61.1 cm 611.34 mm 2.01 ft
Case Height with Stand	15.75 in 40 cm 400.1 mm 1.31 ft	15.16 in 38.5 cm 385.13 mm 1.26 ft
Case Depth with Stand	6.88 in 17.5 cm 174.7 mm 0.57 ft	7.28 in 18.5 cm 185 mm 0.61 ft
Case Weight with Stand	6.2 kg 14 lbs	7.02 kg 15 lbs
Case Color	Silver	Black and silver
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio Out 2 x HDMI 1.4 1 x DisplayPort 1.2	1 x USB 3.2 (Type-C; DP 1.4; PD 90W) 1 x USB 3.2 (Type-C; PD 15W) 1 x Ethernet RJ45 1 x DisplayPort 1.4 1 x HDMI 1.4 1 x USB 3.2 (Type-C; upstream) 3 x USB 3.2 (Type-A) 1 x DisplayPort 1.4 (Output MST) 1 x USB 3.2 (Type-A; BC 1.2) 1 x 3.5 mm Audio Out
Audio
Audio Speakers	2 x 3W
Features
Cool Features	Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology	Low Blue Light Dell ComfortView Plus Flicker-free technology
Extra Features	Anti-theft stand lock slot - Kensington	Security lock slot
Ergonomics
Case Width	24.08 in 61.2 cm 611.6 mm 2.01 ft	24.07 in 61.1 cm 611.34 mm 2.01 ft
Case Height	14.35 in 36.5 cm 364.6 mm 1.2 ft	13.86 in 35.2 cm 352.01 mm 1.15 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	110 mm 11 cm 4.3307 in 0.3609 ft	150 mm 15 cm 5.9055 in 0.4921 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 °	45 °
Right Swivel	30 °	45 °
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	56 Hz - 60 Hz
Horizontal Digital Frequency	30 kHz - 115 kHz	31.47 kHz - 88.79 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	HDMI cable	DisplayPort cable USB Type-C to Type-A 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 EPEAT Gold TCO Certified Edge Display RoHS NFPA 99
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 S2721DS

Dell U2722DE