x64 Definition - Tech Terms
techterms.com › definition › x64Jul 29, 2020 · x64 x64 is shorthand for 64-bit processor architecture. It is often contrasted with x86 architecture, which refers to 32-bit Intel processors, including the 386, 486, and 586 series. However, x64 refers to all 64-bit processors, regardless of the manufacturer. The "x86-64" label specifies a 64-bit x86 processor.