Consequences of using higher-than-necessary resolution images?

hey guys,

i'm curious consequences of using higher resolution images necessary. i'm working on game right now, it's got uiimageview in , require 32x32 image 480x320, 64x64 960x640, 64x64 1024x768 , 128x128 2048x1536.

it'd easier me have images @ 128x128, instead of having "image iphone" (32x32) , "image iphone@2x" (64x64) , image ipad@2x (128x128).

bad idea? i'm thinking is, thought i'd ask make sure. leave large memory footprint? more process intensive? (i.e using [image drawinrect:] 512x512 down 32x32/64x64/128x128 process intensive? rather doing 32x32 image?

 

your app larger. depending on number of images might mean app on magic 20mb when not need be.

images take longer load memory

need more memory (maybe: load them downsample size need , throw away full sized image)

if don't downsample drawing take longer have done draw.

 

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