Lenovo now offers better GPU options and for the first time, an OLED display in its 15-inch workstation. Nvidia's Quadro RTX 5000 offers a level of performance that is usually exclusive to 17-inch models.
https://www.notebookcheck.net/Lenovo-s-ThinkPad-P53-offers-incredible-GPU-horsepower.442647.0.html
80W...that reminds me, what version is the RTX5000 in Razer's top tier Blade 15 Studio Edition, and what version is it in Asus Studiobook Pro X? Neither of the manufacturers seemed to have mentioned this.