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x86-64

The 64-bit instruction set of Intel and AMD processors in most Windows PCs, many servers and older Macs; also called AMD64.

x86-64 (AMD64, Intel 64) is the 64-bit extension of the x86 instruction set, a variable-length CISC architecture with 16 general-purpose registers.

See also

ARM64 RISC-V instruction set CISC
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