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This is a really interesting exploration. The M3 Pro was a little confusing at first, having fewer performance cores than its predecessors, and more, but even slower clocked efficiency cores. But the power consumption graph clearly shows the benefits of this design decision, very cool chip

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The High Yield YouTuber speculated that the M3 Pro was basically simplified so that the silicon designs for the base and Max could be more easily re-used for the Pro and Ultra [1].

[1]: https://youtu.be/8bf3ORrE5hQ

Not an expert at all. But I think gist of the video is that GPU size relative to other component has increased. Plus they rearranged some of the "furniture" to accommodate that increase.

Have you watched the full video? He talks about the re-use from 8:49 onwards in a section called "Why is the M3 Pro a downgrade?"

Actually I did but I was mostly focused on the GPU. That was the most fascinating aspect for novice like me.

> ...more, but even slower clocked efficiency cores

The E cores have a wider range on both sides in the M3; they are lower at base clock and have a higher max clock.

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