On an old Dell PC that originally ran Windows XP 32 bit that I erased the Windows XP 32 bit and installed Ubuntu 32 bit on with less than 2 gigs of RAM. I would like to upgrade the RAM above 2 gigs. So now that if I have more than 2 gigs of RAM should I then also upgrade the Ubuntu to the 64 bit OS?
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With regards to RAM, the only benefit is when you have more than 4gb installed. Be sure that your motherboard will actually support more than 4gb, then go for 64bit.
Either way though my opinion on 32bit vs 64bit is that running 32bit is like wasting half of your processor. Your OS can only handle 32 bits at a time but your processor can do double that. Mathematically speaking that is true.
I have but one question. Why have you not gone 64bit already?
Jon S.
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