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Old 12-11-2012, 09:27 PM   #1 (permalink)
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Question 64 bit better than 32 bit?

Hi, I have a PC with an Intel Celeron D processor clocked to 3.06 GHz. I recently installed a 64-bit version Ubuntu 12.04.1 on the machine and it is running far smoother and faster than the previous installation of Ubuntu 12.04.1 32-bit it had. I'm not particularly familiar with processor architecture so why is this? After looking at the specs of the processor, the article read that it has a 64 bit instruction set. I don't suppose that could have something to do with it? (Installed mem is 2GB and the HDD is 250 GB if that helps. In addition, it is a dual boot configuration with Microsoft Windows XP Professional.)

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Old 12-11-2012, 10:37 PM   #2 (permalink)
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Default Re: 64 bit better than 32 bit?

By using a 64-bit CPU on a 32-bit OS, you were creating an effect that you could compare to throttling. Just as a funnel slows down the flow of a liquid going through it, having an OS running 32- and a CPU running 64-bit created an inefficiency. As long as you keep everything compatible, you can rest assured that your sweet compy can perform at it's peak.

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Old 12-11-2012, 11:48 PM   #3 (permalink)
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Default Re: 64 bit better than 32 bit?

Unless you're using anything that specifically uses a 64bit instruction set then most likely the smoothness is simply coming from a fresh install.
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