[netruk44]

> Curious how you're measuring this. Can you see it in Activity Monitor?

Yes, processor history in the activity monitor marks out specific cores as Performance and Efficiency.

Example: https://i.redd.it/f87yv7eoqyh91.jpg

[umanwizard]

Wow, I didn't even realize you could double-click the CPU graph on the main screen to open that view.