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This is the first confirmation of Zen 5 as the core architecture, and this Zen architecture, designed by legendary CPU architect Jim Keller, will becomeAMDOne of the most long-lived x86 architectures, by contrast, the AMD's previous version of the dozer architecture has only four iterations of the iteration, and the Zen architecture has so far been three generations and will still be the main product of the AMD processor circuit diagram for at least 4 years.
The Zen 3 architecture, which is expected to adopt a 7-nm EUV process, will be introduced in the second half of next year, and if there is no accident, Ryzen 4000 and EPYC Milan will have the product of Zen 3 without changing the interface, so the motherboard of the AM4 interface can still support the next generation of processors through the BIOS update.
The Zen 4 architecture, on the other hand, is not expected to be seen until 2022, and it may be produced using TSMC's upcoming 5nm process, and in 2021 we may see a Zen 3 unless AMD doesn't do anything that year. In addition, Zen 4 may have to change interfaces, after all, by 2022, DDR5 and PCI-E 5.0 will be here.