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

• Intel
  • Atom
  • Core i3
  • Core i5
  • Core i7
  • Core i7 Extreme Edition
  • Xeon
  • Xeon E3
  • Xeon E5
  • Xeon E7
• AMD
  • Athlon X4
  • A8
  • A10

• Princeton
  • Piton

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

64-bit microcontrollers

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64-bit system on chips

• Intel
  • Atom
  • Atom x3
  • Atom x5
  • Atom x7
  • Xeon D
• Phytium
  • FT-1500A

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