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Re:Apple Silicon M1 chip in MacBook Air outperforms high-end... by valuearb on Thursday November 12, 2020 @01:54PM (#25073377)
Sustained benchmarks await production hardware. But it will be surprising if Rosetta2 translated apps run slower. Not only will system calls be native, but common operations like retain/release are 2x faster under Rosetta3.

https://mobile.twitter.com/hhariri/status/132678854650246349...

Re:Apple Silicon M1 chip in MacBook Air outperforms high-end... by marcan_42 on Thursday November 12, 2020 @07:53PM (#25077461)
That's a microbenchmark. There are a myriad reasons why one specific thing might be faster under a new CPU even under emulation. That doesn't mean other things won't be much slower.