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

K8 - Microarchitectures - AMD, K10 - Microarchitectures - AMD, Bulldozer - Microarchitectures - AMD, Piledriver - Microarchitectures - AMD, Steamroller - Microarchitectures - AMD, Excavator - Microarchitectures - AMD, Zen - Microarchitectures - AMD, Zen+ - Microarchitectures - AMD, Zen 2 - Microarchitectures - AMD, Zen 3 - Microarchitectures - AMD

Intel

NetBurst - Microarchitectures - Intel, Core - Microarchitectures - Intel, Penryn - Microarchitectures - Intel, Bonnell - Microarchitectures - Intel, Nehalem - Microarchitectures - Intel, Westmere - Microarchitectures - Intel, Sandy Bridge (client) - Microarchitectures - Intel, Saltwell - Microarchitectures - Intel, Ivy Bridge - Microarchitectures - Intel, Silvermont - Microarchitectures - Intel, Haswell - Microarchitectures - Intel, Broadwell - Microarchitectures - Intel, Airmont - Microarchitectures - Intel, Skylake (client) - Microarchitectures - Intel, Kaby Lake - Microarchitectures - Intel, Goldmont - Microarchitectures - Intel, Skylake (server) - Microarchitectures - Intel, Coffee Lake - Microarchitectures - Intel, Goldmont Plus - Microarchitectures - Intel, Knights Mill - Microarchitectures - Intel, Palm Cove - Microarchitectures - Intel, Amber Lake - Microarchitectures - Intel, Whiskey Lake - Microarchitectures - Intel, Cannon Lake - Microarchitectures - Intel, Cascade Lake - Microarchitectures - Intel, Snow Ridge - Microarchitectures - Intel, Sunny Cove - Microarchitectures - Intel, Lakefield - Microarchitectures - Intel, Tremont - Microarchitectures - Intel, Ice Lake (client) - Microarchitectures - Intel, Willow Cove - Microarchitectures - Intel, Cooper Lake - Microarchitectures - Intel, Tiger Lake - Microarchitectures - Intel, Alder Lake - Microarchitectures - Intel, Gracemont - Microarchitectures - Intel, Rocket Lake - Microarchitectures - Intel, Ice Lake (server) - Microarchitectures - Intel, Golden Cove - Microarchitectures - Intel, Ocean Cove - Microarchitectures - Intel, Raptor Lake - Microarchitectures - Intel, Emerald Rapids - Microarchitectures - Intel, Sapphire Rapids - Microarchitectures - Intel, Meteor Lake - Microarchitectures - Intel, Granite Rapids - Microarchitectures - Intel, Sierra Forest - Microarchitectures - Intel, Diamond Rapids - Microarchitectures - Intel

Other

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Research/University

• Princeton
  • Piton

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64-bit microcontrollers

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