0
votes
4answers
256 views

Does 64bit GNU/Linux have better performance?

I had 32bit Ubuntu (with Xfce) and now I switch to 64bit Xubuntu and I'm not sure but I think that 32bit had better performace, but just a feeling. I want to know which one 32 or 64 will give better ...
2
votes
4answers
1k views

Virtualizing a 32 bit guest on a 64 bit os

So I was wondering if anybody knew if there was any performance issues with virtualizing a 32 bit os, in my case 32 bit windows 7, on a 64 bit os, mac osX lion. I remember reading that running 32 bit ...
1
vote
3answers
1k views

32-bit and 64-bit CPU/OS [duplicate]

Possible Duplicates: how to know if a computer is 32 bit or 64 bit 32-bit v/s 64-bit systems Hi, This 32-bit and 64-bit thing baffles me. It's not often that I run across it, but when I ...
2
votes
6answers
617 views

Is there a performance hit using 32 bit Linux on a 64 bit CPU?

I'm running 32 bit Ubuntu 10.04 with 2GB RAM. Is my processor (AMD Athlon 64 X2) running sub-optimally? Given that a larger addressing space will make no difference to me (right now) would there be a ...
3
votes
2answers
1k views

Firefox x86 (32-bit) vs. Firefox x64 (64-bit)

I'm using Firefox 3.6 (32-bit version) on Windows 7 x64 Home Professional. I wonder whether it is better for me to start using 64-bit version of Firefox or not? Is 64-bit Firefox better in terms of ...
2
votes
2answers
8k views

Why does Windows 7 64-bit require more memory than 32-bit?

Why does Windows 7 64-bit require more memory than 32-bit, according to the upgrade advisor?