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

Same reason car engines haven’t budged from the typical 1.6-2.0L instead of just lumping a big V6/V8 into it for more power, efficiency increases over time from the same displacement with technological improvements so you don’t need to go bigger.