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Rohansiyesterday at 7:14 PM4 repliesview on HN

Yup, the only reason Macs have higher memory bandwidth is because they use more memory channels, which gives them a wider bus. Both Intel and AMD only allow more than dual channel memory on server class processors these days.


Replies

kstrauseryesterday at 7:22 PM

The “Apple only does X better because they do Y” thing has been a meme for ages. I remember dismissals like “PowerPC is only faster at math because it has more integer units” or something along those lines, and thinking, uh, isn’t that a good thing?

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Kon5oleyesterday at 7:35 PM

The memory bandwidth is a small thing compared to the massive win you get by not having to move data between two memory pools at all.

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PunchyHamsteryesterday at 10:42 PM

Threadripper have that extra bandwidth and M5 still is faster

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throwaway85825yesterday at 9:14 PM

Except strix halo.