Eurocom has stuffed one of the fastest AMD Zen 3 desktop CPUs in a 15.6-inch laptop form factor and it actually works. But just because you can, does it really mean you should?
https://www.notebookcheck.net/Running-an-AMD-Ryzen-9-5900X-on-a-laptop-Eurocom-Nightsky-ARX15-review.589060.0.html