AMD stated >15%, not ~15%, and this was the worst-case, conservative number, as they have clarified.
The increased core frequency alone brings in around that number already.
https://overclock3d.net/news/cpu_mainboard/amd_calls_its_zen...
The increased core frequency alone brings in around that number already.
https://overclock3d.net/news/cpu_mainboard/amd_calls_its_zen...
Apple just teased ~18% CPU increase while staying on TSMC 5nm.
Sounds like they are doing just fine.