Apple Update - iPhone v. iPad: Which is Bigger?

I guess I thought they'd be the same size. I mean, they're both iOS 4.3.4, right? Definitely different sizes: iPhone weighs in at 666.7MB, where the iPad weighs in at 593.5MB:

 

 

 

On a side note, downloading 1GB worth of updates for a "." release over the air is going to be fun. Ish.