The Most Powerful Supercomputer in The World. Riken Research Lab and Fujitsu developed the Fugaku supercomputer. In June 2020, Fugaku dethroned IBM’s Summit supercomputer as the most powerful in the world. This supercomputer broke the record for computations per second (TeraFLOPS) and various other supercomputer metrics. Fugaku offers 442,000 TeraFLOPS of performance while a Playstation 5 offers 10.2 TeraFLOPS.