The 32-bit architecture is a microprocessor or computer architecture that has a datapath width or a highest operand width (i.e. natural word size) of 32 bits or 4 octets. These architectures typically have a matching register file with registers width of 32 bits.

32-bit microprocessors

x86

AMD

• K5
• K6
• K6-2
• K6-III
• K7

Intel

• 80386
• 80486
• P5
• P6
• NetBurst
• Pentium M
• Modified Pentium M
• Knights Mill

ARM

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

Other ISAs

Bell Labs

• BELLMAC-32

National Semiconductor

• NS32532

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

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