Comparison between Dell S2721HGF vs Dell U2722D

General Info
Model Number	Dell S2721HGF	Dell U2722D

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2021
Brand	Dell	Dell
Model Series		UltraSharp
Model Number	S2721HGF	U2722D
Alias		U2722DX
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 Curvature	1500
Display Type	VA	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	1920 x 1080	2560 x 1440
Screen Pixel Pitch	0.311 mm	0.233 mm
Screen Pixel Density	81 ppi	109 ppi
Screen-to-Body Ratio	90.42 %	93.08 %
Backlight Source	W-LED	W-LED
DCI P3		95%
sRGB		100 %
NTSC 1953	83 %
Screen Brightness	350 cd/m²	350 cd/m²
Static Screen Contrast	3000 : 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
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	3.79 in 9.6 cm 96.3 mm 0.32 ft	1.95 in 5 cm 49.5 mm 0.16 ft
Case Weight	4.06 kg 9 lbs	4.38 kg 10 lbs
Case Width with Stand	23.95 in 60.8 cm 608.4 mm 2 ft	24.07 in 61.1 cm 611.34 mm 2.01 ft
Case Height with Stand	19.42 in 49.3 cm 493.2 mm 1.62 ft	15.16 in 38.5 cm 385.13 mm 1.26 ft
Case Depth with Stand	7.5 in 19 cm 190.4 mm 0.62 ft	7.28 in 18.5 cm 185 mm 0.61 ft
Case Weight with Stand	8.86 kg 19 lbs	6.61 kg 15 lbs
Case Color	Black	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; PD 15W) 1 x USB 3.2 (Type-C; upstream) 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out 1 x DisplayPort 1.4 (Output MST) 1 x HDMI 1.4 2 x USB 3.2 (Type-A) 1 x USB 3.2 (Type-A; BC 1.2)
Audio
Features
Cool Features	Low Blue Light NVIDIA G-SYNC Compatible AMD FreeSync Premium Flicker-free technology	Low Blue Light Dell ComfortView Plus Flicker-free technology
Extra Features		Security lock slot
Ergonomics
Case Width	23.95 in 60.8 cm 608.4 mm 2 ft	24.07 in 61.1 cm 611.34 mm 2.01 ft
Case Height	14.33 in 36.4 cm 364.1 mm 1.19 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	100 mm 10 cm 3.937 in 0.3281 ft	150 mm 15 cm 5.9055 in 0.4921 ft
Landscape or Portrait Pivot Support	No	Yes
Left Pivot		90 °
Right Pivot		90 °
Left or Right Swivel Support	No	Yes
Left Swivel		45 °
Right Swivel		45 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	48 Hz - 144 Hz	56 Hz - 60 Hz
Horizontal Digital Frequency		31.47 kHz - 88.79 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras		DisplayPort cable USB Type-C to Type-A cable HDMI cable (U2722DX)
Certificates and Standards
Licenses	ENERGY STAR EPEAT TCO Certified RoHS	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 S2721HGF

Dell U2722D