From ENIAC's 18,000 vacuum tubes to Frontier's exaflop, across 13 design lineages. ORDVAC and Illiac I were the same machine built in parallel by the same team. The IAS design spawned ~18 copies worldwide. Sweden's BESK was briefly the world's fastest computer in 1954. China's Sunway TaihuLight (2016) was the first #1 machine built entirely on domestic chips. Scroll right to see all lineages; hover any node for details.