https://wccftech.com/xbox-series-s-cpu-performance/

The Xbox Series S features a similar CPU and the same I/O performance of the Xbox Series X, and the primary difference between the two consoles is resolution.

In a new post on the Official Xbox website, Microsoft revealed some additional details on its second next-gen console and its specs. Not only the console will have a similar CPU and identical I/O performance of the Series X, but it will also feature the same audio experience with Spatial Sound and Dolby Atmos support.