What is x64?

May 24, 2022

x64 (short for x86-64) is a 64-bit processor architecture that enables 64-bit code and extends the x86 instruction set. The CPU processes 64-bit sized units per clock cycle, with a maximum capacity of 2^64. The architecture often refers to operating systems and programs. x64 can process x86 programs, which makes it backward compatible.

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