IIUC this is a lot less true in the modern era. Even with 24nm transistors (the cheapest transistor last time I checked), modern microcontrollers have a fairly

IIUC this is a lot less true in the modern era. Even with 24nm transistors (the cheapest transistor last time I checked), modern microcontrollers have a fairly big transistor budget for the core (since 80+% of the transistors are going to sram anyway).