What is the cost of using of capsule , Box and Sphere collision performance wise?

What is the cost of using of capsule , Box and Sphere collision performance wise?

Technically, sphere collider will be the cheapest one, followed by box and capsule.

I don’t think this is correct, I think it is sphere > capsule > box

Okay, how about this for a follow up: what would be more performant, one box or two capsules?

Also, what are you basing that on; are there any references anywhere on what makes boxes more expensive?

I think it’s about mathematics : a sphere is easy to define with maths and the engine have less trouble figuring it out. A capsule is a little bit more complex, then a box even more…