These are the world's most powerful supercomputers

a picture of Fujitsu Fugaku's supercomputer.

Fugaku is nearly three times more powerful than the world's second most powerful supercomputer. Image: Fujitsu/Riken

Katharina Buchholz
Data Journalist, Statista
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  • Supercomputers are used to run complicated simulations that involve a large number of variables.
  • Common uses include economic, environmental and neurological modeling as well as how the COVID-19 virus mutates and spreads.
  • The Japanese supercomputer, Fugaku, is the world's most powerful.

In June, Japanese supercomputer Fugaku zipped past all competitors to claim the top spot in the twice-annual ranking of the world's most powerful computational machines released by research project Top500. Fugaku, which was developed by Fujitsu in cooperation with the federal Riken research lab, was able to perform almost three times as many computations per second as former leader of the list, U.S.-based supercomputer Summit.

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Fugaku has not only topped the ranking in the number of computations per second - so-called TeraFLOPS - but in all four categories that supercomputers are judged on by the project. According to the Riken lab, no other computer had achieved this feat so far. Fugaku also had the most cores of all computers ranked, the highest theoretical peak performance for computations and the highest power capacity.

a list showing the world's super computers and where they're located
Japan's Fugaku takes the top spot. Image: Statista

Supercomputers are used to run complicated simulations that involve a large number of variables. Common uses include economic and climate modeling, neurological research and nuclear science. In the case of Fugaku, the machine's power is also used to research the coronavirus, more specifically to run simulations of how respiratory droplets move through the air in different settings like offices or train carriages.

The list of the top 8 supercomputers in the world includes one Dell, one Nvidia and two IBM machines as well as two Chinese supercomputers run by the Chinese government. German supercomputer Juwels Booster Module by IT company Atos entered the top 8 in November.

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