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x8664-bitx86-64

What is the meaning of the terms 'amd64' 'x64' and 'x86'?

I have this :

Depending on your processor, the downloaded file has one of the following names:

  • xxx-macosx-amd64.dmg
  • xxx-macosx-x64.dmg
  • xxx-macosc-x86.dmg

I need to understand those terms once for all please.

Thank you

Solution

  • These are different processor architectures.

    • amd64 are AMD 64bit processors.
    • x64 are Intel 64bit processors.
    • x86 is 32bit Intel processors.