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Re:Arm Announces New Mobile Armv9 CPU Microarchitectures by JamesDeepDown on Tuesday May 25, 2021 @01:01PM (#27279341)
"I suspect we're about to see [Apple Silicon] move to small performance increases due to diminishing returns"

Is there any discussion of this online, I'm curious to read more.

Re:Arm Announces New Mobile Armv9 CPU Microarchitectures by hajile on Tuesday May 25, 2021 @01:33PM (#27279766)
This has already happened.

A14 is 3.1GHz while A13 is 2.66GHz. A14 is around 20% faster than A13 overall, but it is also clocked 14% higher which gives only around 6% more IPC. Power consumption all but guarantees that they won't be doing that too often.