We as consumers, may want and desire a lot of things, but AMD is not willing to sacrifice anymore high binned chiplets for mainstream products other than the 3950X. They need all the high staff they can get for the Threadripper/Epyc packages that can return the highest margins, and very important... to be able to start the “next chapter“ war with Intel for HEDT/Server market share.
And for all I can understand, ZEN2 is not capable of 5GHz boost clocks, even the high end chiplets. They can certainly run the 4~4.5GHz at much lower voltage than the low end chiplets but after a point all advantages vanish. It must be a silicon restriction, and by that I mean the current 7nm UV process.
IMHO the next series ZEN3 on 7+nm will do better, still not 5+GHz. 4.7GHz is the fastest we have today and that’s it. Next we will get another 1-200MHz max. But it will come with another IPC upgrade (5-10%) which is more important.
2020 things are getting darker for Intel on almost all aspects of CPU market. The only section that’s left to fight is the mobile market. But Intel will come back for sure and strong, but that’s not happening before 2021, ...could be 22. They don’t say it, but they know it.
We will see a lot the next 5-10 years from both Intel and AMD. The previous decade will look like a bad joke...