I am sorry @Krzysztof.N , I confused and I gave you my desktop specs when I got that screenshot on my laptop: that screenshot was taken from a Framework 16 laptop, which has a Ryzen™ 7 7840HS, and a AMD Radeon™ RX 7700S mobile GPU with 8GB VRAM. Everything else I said was true, HWRT, surface cache, no MegaLights. Error does not seem repeated on my desktop.
In addition, viewmode performance is extremely bad- about a third of what lit mode is.
In addition, SSR is completely broken in 5.5 preview- when lumen is enabled, all reflections disappear with no fallback.