"Archlinux has been optimised for i686 architecture to a very
high extent. All modern 32bit capable standard x86 CPUs support
i686. This is right from the old Pentium Pro CPUs to the new
Nehalems. Its also optimised for modern AMD CPUs. For those who
need a 64bit distro, there is an x86_64 (commonly known as amd64)
variant for archlinux.
"Unlike arch, most common distros are designed for i386, i486 or
i586 architectures, which are architectures very few existing
systems use and are long obsolete. So Arch’s i686
optimisation carries with it several speed boosts, and reviews
commonly go that next to Gentoo and CRUX, arch is the fastest
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