UE4.26 to UE5.0 Migration Issue - SIGNIFICANT FPS DECREASE

Ive found the same, and one of the answers here “Maybe is just the fact that a new piece of software will be more demanding.” from Dorusoftware is right. Example is this, the “material complexity visualizer” shows most the Matrix City in Red “bad” and the response from epic is that the Visualizer is out dated, and needs to be scaled DOWN so that the materials in the City are Green. AKA Hardware IS good enough to run this, but due to Crypto, we are 2 years behind in GPU upgrades. If everyone was setting on 3060tis and 3080s right now, hands. So stick to UE4 if you are not going to target next gen. UE5 isnt as much a performance increase, as a level up. New Abilities (unlimited triangle) not faster existing abilities (240fps limited triangles.) - I’m getting about the same results you are seeing.