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R94N

Difference between 38 and 64-bit OS

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Hi, what is the difference between the 32 and 64-bit OS? Why would I want to run the 32-bit version instead of the 64-bit version? Why are there two versions? Thank you.

 

(I apologise if this has been asked before!)

Edited by R94N

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I have no good answer. But you might want to check out the Wikipedia article on 64-bit. Specifically this section and this section. A simple Google search will yield hundreds of results as well.

 

Also, I'm sure it's just a typo, but you may have noticed that it is 32-bit and 64-bit NOT 38 and 68.

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OK, thank you. I don't like typos so I will edit my question :)

 

I had forgotten about Wikipedia :D

Edited by R94N

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Yet you still haven't fixed two typos in your original post AND your "Interests" include "Editing Wikipedia"? Hmmmmm.

 

Anyway, it's my understanding that 64-bit operating systems can take advantage of way more RAM than 32-bit OSs can (theoretically a finite amount, but in practice an infinite amount - something like 16 billion GBs). I think it also improves speed and other things. Though, since it's not as widely used - yet - as 32-bit systems are, there are currently a lot of compatibility issues. But like I said, I don't have a great answer - maybe someone else here does.

 

Apple Geek

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If you are specifically talking about running Snow Leopard using the 64 bit kernel ( by holding down the 6 and 4 keys while booting ) the Following articles will help decide. In a nutshell, they explain that in SL, many of the apps will run in 64 bit ( including finder, mail and Safari ) even if the Kernel is running in 32 bit.

 

 

PC World

 

 

Macworld Article

 

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