Cloth Physic Simulation Is So SLOW in UE5

No.
But from what I understand that UE4 uses Nvidia apex cloth physic while UE5 uses chaos physic simulation.
From the point of view, chaos physic has a better quality than apex when it comes to physics simulation, but with the price of performance. It gets worst when you have tons of vertices to be calculated per frame.

So, yeah UE5 is very intensive in performance. I don’t have the best computer for the chaos physic to simulate it, so I just turn it off and make an artificial (fake) physic myself.

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