CPU to ISA Version Mapping

Mapping of some CPU versions to relevant ISA versions.

CPU Architecture version
Power10 Power ISA v3.1
Power9 Power ISA v3.0B
Power8 Power ISA v2.07
Power7 Power ISA v2.06
Power6 Power ISA v2.05
PA6T Power ISA v2.04
Cell PPU
  • Power ISA v2.02 with some minor exceptions
  • Plus Altivec/VMX ~= 2.03
Power5++ Power ISA v2.04 (no VMX)
Power5+ Power ISA v2.03
Power5
  • PowerPC User Instruction Set Architecture Book I v2.02
  • PowerPC Virtual Environment Architecture Book II v2.02
  • PowerPC Operating Environment Architecture Book III v2.02
PPC970
  • PowerPC User Instruction Set Architecture Book I v2.01
  • PowerPC Virtual Environment Architecture Book II v2.01
  • PowerPC Operating Environment Architecture Book III v2.01
  • Plus Altivec/VMX ~= 2.03

Key Features

CPU VMX (aka. Altivec)
Power10 Yes
Power9 Yes
Power8 Yes
Power7 Yes
Power6 Yes
PA6T Yes
Cell PPU Yes
Power5++ No
Power5+ No
Power5 No
PPC970 Yes
CPU VSX
Power10 Yes
Power9 Yes
Power8 Yes
Power7 Yes
Power6 No
PA6T No
Cell PPU No
Power5++ No
Power5+ No
Power5 No
PPC970 No
CPU Transactional Memory
Power10 No (* see Power ISA v3.1, “Appendix A. Notes on the Removal of Transactional Memory from the Architecture”)
Power9 Yes (* see Transactional Memory support)
Power8 Yes
Power7 No
Power6 No
PA6T No
Cell PPU No
Power5++ No
Power5+ No
Power5 No
PPC970 No