Yep, size on rpg server is same with that of yours.
Verified with [source- samsung-update]:
http://rapidgator.net/file/c094a3251f7e1f2e198ad93f42d19c5f
But terefile uploaded shows 898.0MB[source- sammobile]
http://terafile.co/327097448989/I9300XWUGML4_I9300ODDGML4_INU.zip