PlayStation 5 Still Offering Best Performance Over Xbox Series X in January, but Differences Will be Minimal at Launch; PSVR 2 Teased to be Surprising – Rumor
https://wccftech.com/playstation-5-best-performance-xbox-series-x/
The PlayStation 5 and Xbox Series X have yet to be detailed in full, but right now Sony's console is still offering better performance compared to Microsoft's, according to an online report.
On the NeoGAF forums, a verified industry professional going by the name of BGs revealed that, as of January, the PlayStation 5 is still offering better performance than the Xbox Series X. This may have changed with the latest Devkits, but he has no way of knowing right now as he will get access to them later this year.