| POWER, PowerPC, and Power ISA architectures |
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| NXP (formerly Freescale and Motorola) |
| IBM |
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| IBM/Nintendo |
| Other |
| Related links |
| Cancelled in gray, historic in italic |
The IBM A2 is an open source massively multicore capable and multithreaded 64-bit Power ISA processor core designed by IBM using the Power ISA v.2.06 specification. Versions of processors based on the A2 core range from a 2.3 GHz version with 16 cores consuming 65 W to a less powerful, four core version, consuming 20 W at 1.4 GHz.