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
• Am386
• Am486
• Athlon
• Am5x86
• Duron
• K5
• K6
• K6-2
• K6-III

• Intel
• 80386
• 80486
• Atom
• Pentium
• Quark

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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