Comparison between Dell S2721QS vs AOC U27V4EA

General Info
Model Number	Dell S2721QS	AOC U27V4EA

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2021
Brand	Dell	AOC
Model Number	S2721QS	U27V4EA
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	10 bits	10 bits (8 bits + FRC)
Frame Rate Control		Yes
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	16:9	16:9
Screen Resolution	3840 x 2160	3840 x 2160
Screen Pixel Pitch	0.155 mm	0.155 mm
Screen Pixel Density	163 ppi	163 ppi
Screen-to-Body Ratio	89.83 %	89.62 %
Backlight Source	W-LED	W-LED
sRGB	99 %	112 %
Adobe RGB 1998		83 %
Screen Brightness	350 cd/m²	350 cd/m²
Max Screen Brightness	390 cd/m²
Static Screen Contrast	1300 : 1	1000 : 1
Dynamic Screen Contrast		20000000 : 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
Display Coating	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	2.18 in 5.5 cm 55.4 mm 0.18 ft	1.94 in 4.9 cm 49.2 mm 0.16 ft
Case Weight	4.7 kg 10 lbs	4.06 kg 9 lbs
Case Width with Stand	24.08 in 61.2 cm 611.6 mm 2.01 ft	24.16 in 61.4 cm 613.7 mm 2.01 ft
Case Height with Stand	15.75 in 40 cm 400.1 mm 1.31 ft	18.19 in 46.2 cm 462 mm 1.52 ft
Case Depth with Stand	6.88 in 17.5 cm 174.7 mm 0.57 ft	7.37 in 18.7 cm 187.2 mm 0.61 ft
Case Weight with Stand	6.4 kg 14 lbs	5.13 kg 11 lbs
Case Color	Silver	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.2	1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.4
Audio
Audio Speakers	2 x 3W	2 x 2W
Features
Cool Features	Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology	HDR Mode Low Blue Light Adaptive-Sync technology Flicker-free technology
Extra Features	Anti-theft stand lock slot - Kensington	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	24.08 in 61.2 cm 611.6 mm 2.01 ft	24.16 in 61.4 cm 613.7 mm 2.01 ft
Case Height	14.35 in 36.5 cm 364.6 mm 1.2 ft	14.34 in 36.4 cm 364.2 mm 1.19 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	80 mm 8 cm 3.1496 in 0.2625 ft
Landscape or Portrait Pivot Support	Yes	No
Left Pivot	90 °
Right Pivot	90 °
Left or Right Swivel Support	Yes	No
Left Swivel	30 °
Right Swivel	30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	23 °
Frequency and Interpolation
Vertical Digital Frequency	40 Hz - 60 Hz	60 Hz
Horizontal Digital Frequency	130 kHz - 137 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	HDMI cable	HDMI cable
Certificates and Standards
Licenses	ENERGY STAR 8.0 EPEAT RoHS TCO Certified TUV Flicker Free TUV Low Blue Light	CCC CE CECP CEL CH RoHS cTUVus FCC RoHS ISO 9241-307 Win10
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 % - 85 %
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	3657.6
Max Storage Altitude	12192	12192

Dell S2721QS

AOC U27V4EA