AMD64
The 64-bit version of the x86 instruction set architecture (as opposed to the original 16-bit x86 architecture, or to the 32-bit version of the x86 architecture, also known as IA-32, i386, or x86-32).
Proper noun
- The 64-bit version of the x86 instruction set architecture (as opposed to the original 16-bit x86 architecture, or to the 32-bit version of the x86 architecture, also known as IA-32, i386, or x86-32).
- The AMD64 version of this Linux distro has higher performance than the i386 version, and doesn't suffer from the severe RAM limits imposed by 32-to-36-bit addressing.
Origin
From being a 64-bit architecture developed by AMD.