Potential iPhone 5 ~ 4" retina display- if DPI and AR were same, what resolution?

ok- if apple going being out iphone approximately 4" display- minimum, , maintain dpi of retina display , same aspect ratio allow automatic scaling of applications until developers put in new retina display graphics native resolution, resolution seems commercially-produced display?

if math 1:1.5 ar @ 4" current dpi, 1100 longer pixel dimension. doesn't seem right. have thoughts on this? there prototype display or resolution seems match apple's need maintain aspect ratio , bring out display around 4" increased resolution maintain retina display quality?

 

all know i've been using iphone while... , can see pixels. clearly.. though apple says can't, pixels can seen.

so, if make them smaller, more pixels per inch- , make "super retina display"- thing.

 

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