Alternative chip architectures are taking some thunder away from Intel’s x86 at this week’s International Supercomputing Conference in Frankfurt.

China’s TaihuLight, which was ranked the world’s fastest supercomputer,  has a homegrown chip. And the ARM architecture, which dominates mobile-device chips, will appear in Fujitsu’s next flagship supercomputer.

The Fujitsu system, called Post-K, will succeed the K computer that is No. 5 on the Top500 list of the world’s fastest supercomputers.

Post-K will be installed at the RIKEN Advanced Institute for Computational Science in Japan in 2020. Fujitsu will share more details about the computer on Tuesday during a session at the conference.

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