Well, what's better than a late night benchmark along with some 20 yo Armagnac?
First 2 images: Mac Mini 2018 Intel i7, 512GB Apple SSD, then the TB3 external Sabrent Rocket in the Orico TB3 enclosure.
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Next 2 images: MacBook Air M1, 512GB Apple SSD, then the same Sabrent/ Orico setup as above:
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What do you notice? The external SSD is nowhere near as fast when used with the M1 Mac (it's not a problem for me as it was just a wee experiment - the M1 will never likely have any ext drives attached).
I think I've read in plenty places that the TB architecture in the M1 system has some speed deficits compared to the more mature Intel platform, but who knows what might evolve in the future...???