why does CPUs/CPU cores seem to be capped at 3 – 4 Ghz since almost a decade?

Question

why does CPUs/CPU cores seem to be capped at 3 – 4 Ghz since almost a decade?

In: 1368

Answer 1

[i9-13900k can boost up to like 6GHz or something](https://www.google.com/amp/s/wccftech.com/roundup/intel-core-i9-13900k/amp/) so we are still getting further and further every year on boost speeds