is 5 rigidbodies using joints more expensive than 1 rigibody with 5 colliders?

just curious about this. I was thinking of something that would require a lot of objects stuck together, and I was curious if it would make a notable difference to have, say 100 rigidbodies stuck together using joints when compared to one rigidbody with 100 colliders as children.

I imagine more rigidbodies to be far more expensive than more colliders, unless those colliders used OnCollisionStay() a lot.