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To which family does intel core i5 processors belong to? x86_64 or i686.

I was installing MinGW. I know it auto selects i686. But i686's are all 32 bit right? and intel i5 is actually a 64bit processor. This sprung up the doubt as to which family does it belong to?

THanks

2 Answers2

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Both. When running in 64-bit mode, it is x86_64. In 32-bit mode, it is i686.

jalf
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As 64-bit processors, Core i3, i5 and i7 are all part of the x86_64 family.