One of the reasons, yes. Another benefit of chiplets is mixing and matching chips made on different processes or from different manufacturers.
AMD uses an IO die manufactured on an older process at another manufacturer (14 or 16nm Global foundries) than their core chiplets (7nm TSMC). I think they even used the same IO die across multiple generations of EPYC/Ryzen, but I'm not sure.
AMD uses an IO die manufactured on an older process at another manufacturer (14 or 16nm Global foundries) than their core chiplets (7nm TSMC). I think they even used the same IO die across multiple generations of EPYC/Ryzen, but I'm not sure.