Collision memory optimization per mesh

Development Platform & Builds Debugging, Optimization, & Profiling
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Hi, I am currently optimizing collision memory and have some questions.

How is memory for collision measured?

Are Simple Collisions like Sphere, Box, and Capsule smaller in terms of memory?

Or does it purely depend on the face count of the collision regardless of those types?

For example, if a Convex or Trimesh collision has 6 faces and is identical in shape to a Box, is its memory usage the same as a standard Box Collision?

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The cheapest collisions are Sphere → Capsule → Box → Convex. You can read more about the different types of collisions in this post: What is cheaper? Sphere collision checks or box collision checks? - #5 by AliceHalley

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Thank you for your reply. However, my concern is more focused on memory usage rather than performance.