Looking at AMD, we got ~30% gen-on-gen uplift for comparable CPUs, a mix of better architecture, higher clocks and more watts.
https://www.cpubenchmark.net/compare/4814vs5036/AMD-Ryzen-7-5700X-vs-AMD-Ryzen-7-7700X
The Intel 7% number has to be something like pure ipc uplift without clock and power increase.