Efficient Computer’s Electron E1 general-purpose processor claims up to 100× higher energy efficiency than general-purpose CPUs.

Or here's a slightly older block diagram of AMD's Bulldozer: A portion of AMD's Bulldozer architecture block diagram, showing the 4-wide design of the integer cores.

Leaked AMD Mendocino Block Diagram Reveals Its Unique Chip Architecture by Zak Killian — Tuesday, May 31, 2022, 11:58 AM EDT Comments ...

3DCenter.org has published an AMD Zen block diagram "with little speculation". The diagram was drawn up from a software patch published by an AMD Technical Staff member called Venkataramanan Kumar.

Apple Cyclone CPU block diagram On the actual number crunching side of things, Cyclone is seriously beefy: It has four FPUs (up from Swift's two), two load/store units (up from one), two branch ...