Resolution Help:

[shhuaa]

So I have been playing rainbow six siege for a while now and got super comfortable with the settings of:

Note* I have a 16:9 Monitor

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Resolution: 1920x1080 

Display: Fullscreen 

Aspect Ratio: 16:10 

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and was wondering what resolution is equivalent to that in other games for example like csgo, who has static aspects ratios and resolutions, would I end up having to make a custom resolution? if so what resolution would that be, Thanks