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64-bit architecture

Architecture word sizes

1-bit
2-bit
4-bit
8-bit
12-bit
15-bit
16-bit
18-bit
20-bit
24-bit
32-bit
36-bit
64-bit
128-bit

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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[edit]

Alpha[edit]

DEC


ARM[edit]

MediaTek

Phytium

MIPS[edit]

Cavium

POWER[edit]

IBM

x86[edit]

AMD

Intel

Other[edit]

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

Research/University[edit]

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

64-bit microcontrollers[edit]

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