Morning Edition · Tuesday, June 23, 2026Published at 6:45 AM EDT · New York

Nvidia Now Powers 81 Percent of the TOP500, Tightening Its Grip as Custom Silicon Circles

At the ISC 2026 supercomputing conference, Nvidia hardware ran four-fifths of the world's fastest supercomputers and 90 percent of new entrants, even as accelerators built by large cloud providers threaten its commercial advantage elsewhere.

Nvidia says its technology now runs 81 percent of the TOP500 list of the world's fastest supercomputers and 90 percent of the systems new to the ranking, unveiled at the ISC conference in Hamburg. The company also reports 26 TOP500 systems…