China has two exaflop supercomputers. It's doubtful whether this is the world's most powerful supercomputer.
https://www.nextplatform.com/2021/10/26/china-has-already-re...
https://www.nextplatform.com/2021/10/26/china-has-already-re...
Why not? While I don't remember what was the previous US's x86 cluster that ranked as top of Top500 List (RoadRunner in 2009?), China's Tianhe-3 and OceanLight are direct successors of Tianhe-2A and TaihuLight, which are once fastest and still in top 10. These seems more promising to me.