Comparison Dell S2721QSA 27 " vs Dell S2721QS 27 "

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	Dell S2721QSA 27 "	Dell S2721QS 27 "
	from £280.00 up to £419.26 Compare prices 4	from £244.38 up to £341.99 Compare prices 2
all specs only differences
TOP sellers	Senetic.co.uk £303.00 Buy in shop Clove.co.uk £334.00 Buy in shop Smartteck.co.uk £419.00 Buy in shop	Amazon.co.uk £244.00 Buy in shop Amazon.co.uk £342.00 Buy in shop
Product type	monitor	monitor
Size	27 "	27 "
Screen
Panel type	IPS	IPS
Surface treatment	anti-glare	anti-glare
Resolution	3840x2160 (16:9)	3840x2160 (16:9)
Pixel size	0.16 mm	0.16 mm
Response time (GtG)	4 ms	4 ms
Refresh rate	60 Hz	60 Hz
Vertical viewing angle	178 °	178 °
Horizontal viewing angle	178 °	178 °
Brightness	350 cd/m²	350 cd/m²
Static contrast	1 000:1	3 000:1
Connection
Video transmission	DisplayPort v 1.2 2xHDMI v 2.0	DisplayPort v 1.2 2xHDMI v 2.0
Connectors (optional)	mini-Jack output (3.5 mm)	mini-Jack output (3.5 mm)
Features
Features	Flicker-Free AMD FreeSync	Flicker-Free AMD FreeSync
Portrait pivot
Screen swivel
Height adjustment
Speakers
Sound power	6 W /2x3 W/	6 W /2x3 W/
General
Wall mount	VESA 100x100mm	VESA 100x100mm
Power consumption	28 W	28 W
Dimensions (WxHxD)	612x400x175 mm /with stand/	612x510x175 mm /with stand/
Weight	4.7 kg	4.7 kg /without stand/
Color
Added to E-Catalog	august 2023	october 2020

Static contrast

Static contrast provided by the monitor screen.

This value describes the difference between the brightest whites and darkest blacks that the screen is capable of producing. In this case, unlike dynamic contrast (see below), the difference is indicated on the condition that the brightness of the screen backlight remains unchanged. In other words, this is the contrast that is guaranteed to be achievable within one frame. Static contrast is inevitably lower than dynamic. However, it is she who describes the basic capabilities of the screen.

The minimum static contrast ratio for tolerable image quality is considered to be 250:1, but even the most modest modern monitors give out about 400:1 (and a value of 1000:1 is not the highest class), and in high-end models this figure can reach 2000:1 and even more. .