IIRC the limiting factor for late Intel Macs was cooling. It would frequently throttle the CPU down to 20% to cool it down. And even if the numbers are great o

IIRC the limiting factor for late Intel Macs was cooling. It would frequently throttle the CPU down to 20% to cool it down. And even if the numbers are great on a sunny day (or rather a cool day, to fix this I would have to sit with it in an open window), this is a real performance sink.