In which workloads do x86 processors perform way better than ARM

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With the current launch of the M1 chip of apple and the good benchmarks we see, I was wondering which tasks work better on x86 processors. I understand that ARM has a simpler instruction set, but in which workload is this relevant (especially workloads of a “normal” user)?

Thanks in advance.

In: Technology

4 Answers

Anonymous 0 Comments

You’d have to find a workload which requires a very specific instruction which exists fast&natively in one instruction set but has to be elaborately calculated in multiple steps in the other. I can’t think of anything right now. Both instruction sets have 64bit support, both have multiplication and division, both have SIMD, both have encryption (AES etc.) acceleration …

Maybe ARM with its compressed THUMB instruction set is able to produce smaller code, but that doesn’t really matter on normal computers.

If there was an obvious weakness in either instruction set, the manufacturers would have fixed it by now.

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