Italian Version: why do i need more power?

Well, one question.
American version, min specs
Windows XP/2000/ME/98
Intel Pentium III 800 MHz or equivalent
256 MB RAM
CD-ROM Drive
3 GB Available HDD Space
ATI Radeon 8500 or GeForce 3 or 4 MX Series Video Card with 32MB of VRAM
16-bit Sound Card
Internet connection
Keyboard and mouse

Ita Version, min specs
Windows XP/2000/ME/98
Intel Pentium III 1 Ghz or equivalent
516 MB RAM
DVD-Rom Drive
3 GB Available HDD Space
ATI Radeon 8500 or GeForce 3 with 64MB of VRAM
16-bit Sound Card
Internet connection
Keyboard and mouse.

Anybody know the reason ? i've got 256mb ram and don't want to change it just for gw (yes, it's old bla bla bla, but i don't need 512mb ram at the moment, i'm planning to change all the pc).

Thx for your time and sorry for my poor english

its the same, thats what on the U.S boxes aswell.

So boxes min specs and official site min specs are different... uhm... ok XD