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64 bit CPU and Windows 7

Last response: in CPUs
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July 19, 2010 9:07:58 AM

Hi all,

I will be investing in a quad core PHenom II 745 to run scientific calculations and I need to extract all maximum efficiency. Is the instruction set 64 bit of the CPU?

I assume that if I install Windows 7 32 than I will not be able to take advantage of the 64 bit instruction set. If I install Windows 64 bit apart from the larger memory addressing space will the software I have take advantage of the 64 bit instruction set. (The software already supports 64 bit CPU's).

I.e. will windows 7 64 bit run my software faster than windows 32 bit assuming that same PC configuration.

Thanks a lot for your help beforehand,

Regards,
jozamm

More about : bit cpu windows

a b à CPUs
July 19, 2010 11:08:52 AM

64-bit software will typically run faster than their 32-bit software counterparts. You will need a minimum of 2 GB for W7 64-bit to run efficiently.
a b à CPUs
July 19, 2010 11:11:57 AM

Is the code 64bit to begin with?
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