World’s fastest supercomputer ‘El Capitan’ goes online — it will be used to secure the US nuclear stockpile and in other classified research The world's fastest supercomputer 'El Capitan' can reach a peak performance of 2.746 exaFLOPS, making it the planet's third exascale computer. Astrobitica February 9, 2025 (Last updated: February 9, 2025) 1 minute read The world’s fastest supercomputer ‘El Capitan’ can reach a peak performance of 2.746 exaFLOPS, making it the planet’s third exascale computer. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: NASA and General Atomics test nuclear fuel for future moon and Mars missionsNext: Auction offers Neil Armstrong’s reply to NASA engineer’s Apollo 11 mission patch ideas