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1. This is a slide from Intel. And they dont mention what sort of performance. Edit [1]

2. This is from witeken. A Well known Intel "supporter".

AlderLake is good, but claiming it offer more Pref / Watt than Apple's M1 Max on a node that is generation behind would require some independent testing to verify . Because all the data known so far doesn't seems to suggest this. Especially in the case of Single Core Performance.

[1] The metric used is the geometric mean of an "n-copy" SPECrate run of the C/C++ integer benchmarks in SPEC CPU 2017. You can find the M1 SPECrate 2017 results here

https://www.anandtech.com/show/16252/mac-mini-apple-m1-teste...

To be fair, comparing TSMC’s nodes vs Intel’s isn’t exactly fair for CPUs since Intel has always had performance advantages beyond density such as Ion, cobalt, air gaps, etc.

Edit: Ion= on state current

If I'm reading this right, it's saying that when M1 Max is at peak performance (at 35W), the I9-12900HK is beating this performance while at the same wattage.

I'm a bit skeptical this is true

It really wouldn't make any sense if it weren't? as by raw power the previous gen was already more powerful right?