A Chinese reviewer recently got their hands on the Lenovo Y9000P, a laptop equipped with Intel's Core i7-12800HX chip. Interestingly, the reviewer's testing indicates that gaming gains over the 14-core 12700H are limited, with some titles actually showing performance regression compared to the lower-power chip.
https://www.notebookcheck.net/Alder-Lake-Core-i9-12900HX-powered-Lenovo-Y9000P-gets-an-early-review-some-games-show-performance-regression-vs-the-12700H.619256.0.html