It's not, because Apple purposefully lied on their marketing material. Letting a 3090 go on full blast brings it pretty much in line in perf/watt. Your 3090 will not massively thermal throttle after 30 minutes either, but the M1 Ultra will.

So, yes, if you want to look good on pointless benchmarks, a M1 ultra ran for 1 minute is more efficient than a downclocked 3090.

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brookst 3 days ago | parent | next [-]

How do you think Nvidia got Samsung’s 8nm process to be just as power efficient as TSMC’s 5nm node?

	▲	ohdeargodno 3 days ago \| parent [-]
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boxed 3 days ago | parent | prev [-]

https://techjourneyman.com/blog/m1-ultra-vs-nvidia-rtx-3090/

Look at that updated graph which has less BS. It's never close in perf/watt.

The BS part about apples graph was that they cut the graph short for the nvidia card (and bending the graph a bit at the end). The full graph still shows apple being way better per watt.

	▲	ohdeargodno 3 days ago \| parent [-]
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