@Billpete "... I think it must be more complicated than the explanations that we have."
Exactly. Numbers tend to fail in something so nuanced as musical reproduction. Both are a long string of translations and electrical amplifications and end up being completely dependent on the devices you are using. Hence most folks just abandon a few measurable variables and
The description that Vinyl and CD are in the ball park similar in resolution sounds to me about right. Ballpark... so heavily dependent on the components that that is probably as good an answer as there is. Implementation is just everything.

