https://www.techspot.com/review/2262-intel-core-i7-11800h/
In comparison to the AMD Ryzen 7 5800H, the battle is much closer. The 11800H is a tad faster for lightly-threaded workloads, but the performance difference is in the low single digits. Meanwhile, multi-thread performance ranges from about even, to up to 15 percent slower in the worst cases.