x64

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English[edit]

Etymology[edit]

Proper noun[edit]

x64

(computing) Contraction of x86-64.

Usage notes[edit]

x64 is used almost exclusively in the context of Windows operating systems; Unix and Linux systems use AMD64, while system-agnostic discussions tend to use either x86-64 or AMD64.

Synonyms[edit]

AMD64
x86-64

Hypernyms[edit]

x86 (broad sense)

Coordinate terms[edit]

x86-16 (16-bit x86)
i386, IA-32, x86 (narrow sense), x86-32 (32-bit x86)

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