For development purposes, I use a MacBook Pro with an M1 Max. I haven't heard the fans spin up since I bought it in November 2021. Nevertheless, it runs cool all the time.
On the flip side, I bought a MacBook Air with an M2 for my son, which runs hot. This is when running basic apps like codeSpark (an iPad app).
I know the MacBook Air has a fanless, passive-cooling design. It just strikes me as odd that it runs considerably hotter than a MacBook Pro.
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