Fujitsu A64FX

A64FX
General information
Launched2019
Marketed byFujitsu
Designed byFujitsu
Common manufacturer
Physical specifications
Transistors
  • ~8.786 billion
Cores
  • 48 per CPU plus optional assistant cores
Architecture and classification
Technology node7 nm
MicroarchitectureIn-house
Instruction setARMv8.2-A with SVE and SBSA level 3
History
PredecessorSPARC64 XIfx

The A64FX is a 64-bit ARM architecture microprocessor designed by Fujitsu. The processor is replacing the SPARC64 XIfx as Fujitsu's processor for supercomputer applications. It powers the Fugaku supercomputer, the fastest TOP500 supercomputer in the world between the June of both 2020 and 2022, being first surpassed by the Frontier.