The Intel-based Neo M21 models might slightly lag behind those equipped with the Ryzen 7 5800H as far as CPU performance is concerned, but the addition of PCIe 4.0 and Thunderbolt 4 could be decisive for many users. Otherwise, the Neo 15 / 17 models powered by the i7-11800H seem to be mostly identical to the E21 AMD systems released earlier this year.
https://www.notebookcheck.net/XMG-announces-Neo-15-17-gaming-laptops-with-Intel-Tiger-Lake-H45-processors.539931.0.html