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Are you referring to 5G radio modems or another chip?


Probably Intel’s fumble when Apple asked them for better performance per watt for the laptop CPUs and whether they wanted the iPhone CPU business back in 2006.


A more recent motivation might be Apple's switch to in-house ARM for MacOS for similar reasons.


Well, they’re already funding so much ARM custom design, it’s not that incremental to tweak and scale for their laptops.


Probably the Intel CPUs in Macbooks before Apple made the push for the M1 - circa the Intel quad core era where their laptop chips had major heat issues... ~2012 IIRC?


I’m not defending Intel here, but those Intel MacBooks never had appropriate thermal design or headroom for the processor’s operating specs.


I think the theory is that they had an appropriate thermal design for cpus which were supposed to ship but never did.




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