OP can you add this to the first post of the page?
Proof that the cutscene helicopter scene, with lag was due to a bug:
After re-testing, let's summarise: there is no RT on Series S but there was a shadow glitch. There is a performance dip on PS5 in RT mode, but this appears to be a bug as a checkpoint restart can improve matters (but not always!). Here's a vid showing that: pic.twitter.com/ilyOqhNAtC— Digital Foundry (@digitalfoundry) November 24, 2020
Sadly dont know how to link a twitter vid clip, but it shows it running and dipping down to 47fps first, and then after the checkpoint re-try its 60fps.