>Is there any correlation with 32 vs 64 bit OSs?
>
>UPDATE: Or, come to think of it, are you running 32 or 64 bit versions of your apps or components on 32 or 64 bit OSs?

LViewPro 64 bits on Windows 7 resizes at 131KB.
LViewPro 64 bits on Windows 8.1 resizes at 58KB.

So, even from the same component at 64 bits, on both 64 bits platforms, does not end up with the same file size.