The 64-bit architecture is a microprocessor or computer architecture that has a datapath width or a highest operand width of 64 bits or 8 octets. These architectures typically have a matching register file with registers width of 64 bits.

64-bit microprocessors

Alpha

DEC

• Alpha

ARM

MediaTek

• Helio

Phytium

• FT-1500A

MIPS

Cavium

• OCTEON
• OCTEON Plus

POWER

IBM

• POWER8
• POWER9

x86

AMD

Opteron - AMD, Athlon 64 - AMD, Mobile Athlon 64 - AMD, Sempron - AMD, Turion 64 - AMD, Athlon 64 X2 - AMD, Turion 64 X2 - AMD, Phenom X3 - AMD, Turion X2 Ultra - AMD, Turion II Ultra - AMD, Turion II - AMD, Phenom II X3 - AMD, Phenom II X2 - AMD, A8 - AMD, Athlon X4 - AMD, A10 - AMD, Ryzen 7 - AMD, Ryzen 5 - AMD, Ryzen 3 - AMD, Ryzen Threadripper - AMD, Ryzen 9 - AMD

Intel

Atom - Intel, Core i7 Extreme Edition (i7EE) - Intel, Core i7 - Intel, Pentium - Intel, Core i5 - Intel, Core i3 - Intel, Xeon E7 - Intel, Xeon E5 - Intel, Xeon Phi - Intel, Core M - Intel, Xeon Gold - Intel, Xeon Platinum - Intel, Xeon Bronze - Intel, Xeon Silver - Intel, Xeon W - Intel, Pentium Gold - Intel, Pentium Silver - Intel, Xeon E - Intel

Other

This list is incomplete; you can help by expanding it.

Research/University

• Princeton
  • Piton

This list is incomplete; you can help by expanding it.

64-bit microcontrollers

This section is empty; you can help add the missing info by editing this page.

This article is still a stub and needs your attention. You can help improve this article by editing this page and adding the missing information.