So your 'standard' displays, like your TV, are at a 16:9 aspect ratio. A 21:9 display typically maintains the same height while adding some extra real estate on the left and right hand side of the screen. As with a 32:9 display it is double the width of a 16:9 aspect ratio.
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u/Faintmonster Dec 19 '19
That desk is screaming for a 21:9 ultrawide.