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>> performance and battery life

> any high end Ryzen will blow an ARM64 chip out of the water

I'm very skeptical about this. I've read that many benchmarks show ~40% better performance per watt on ARM than the best x64 machines. Do you have any sources that say differently?

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Performance per watt isn't the same as performance. On the high end (think Threadripper), amd64 still wins most performance tests by having many high-performance cores working all at once (at the cost of single-core performance).

I disagree with "any high-end Ryzen" blowing an ARM64 chip out of the water, though, it takes quite a beefy CPU to beat an M4 Max.

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