The titans of tech: Top 10 most powerful supercomputers of 2025

As of June 2025, the global landscape of supercomputing is dominated by exascale machines primarily based in the United States, with significant new entries from Europe and continued presence from cloud and industrial sectors. Leading the pack is El Capitan at Lawrence Livermore National Laboratory, boasting 1.742 exaFLOPS on the LINPACK benchmark and demonstrating balanced performance across scientific workloads. Following closely is Frontier at Oak Ridge National Laboratory, the first-ever exascale supercomputer, now ranked second with 1.353 exaFLOPS, maintaining its role in advanced scientific research. Aurora at Argonne National Laboratory rounds out the top three, achieving just over 1 exaFLOPS and designed to integrate simulation with AI-driven science applications. Europe's fastest system, Germany’s JUPITER Booster, marks a significant milestone by entering the top tier with 793.4 petaFLOPS, powered by NVIDIA Grace-Hopper superchips and InfiniBand networking