The PS5 vs. Xbox Series X|S vs. Switch launch sales contest has been definitively won by Sony's console according to recently published estimates. Global sales for the PlayStation 5 have topped 3.3 million units within its first four weeks of launch. Microsoft's consoles have also sold well in the US and Europe but flatlined in Japan.
https://www.notebookcheck.net/PS5-vs-Xbox-Series-X-S-vs-Switch-launch-sales-estimates-depict-the-PlayStation-5-as-the-fastest-selling-and-best-selling-console-of-them-all.511005.0.html