AMD Zen 5 architecture leak reveals 22-30% IPC gain as well as a much bigger L1, unified L2, and a possible shared L4 cache for APUs
Paul from RedGamingTech has revealed updated information regarding 2024’s AMD Zen 5 CPU architecture. According to the leaker, Zen 5 could have a double-digit IPC uplift, significantly bigger L1 cache, and 8 cores per CCX. Most of these specs seem to confirm what Paul has mentioned previously.
AMD revealed back in 2022 that Zen 5 CPUs and “Strix Point” APUs will release in 2024. Rumors have it that Zen 5 will adopt a hybrid architecture similar to Intel’s recent efforts. In addition, Zen 5 CPUs are reported to bring IPC gains of up to 30% over the Ryzen 7000 Zen 4 chips. Alongside Intel Arrow Lake details, RedGamingTech has now expanded as well as offered some tweaks to his previous claims about AMD Zen 5.
The leaker still maintains that Zen 5 has 8 cores per core cluster (CCX) because of alleged scaling issues. Per Paul’s sources, the Infinity Fabric hasn’t been improved due to which it is “starving extra cores”. So, we are potentially looking at up to 32 Zen 4 cores courtesy of 4 CCXs on flagship Ryzen 9 8000 SKUs as previously rumored detailed.
While Paul first claimed up to 30% IPC improvement for Zen 5 vs Zen 4 and later revised the average target to 25% last month, the leaker now mentions a range of 22-30%. So, it will be interesting to see where the actual IPC uplift falls at.
Moving on, the Ryzen 8000 Zen 5 CPUs will reportedly see far-reaching changes to the cache structure. The L1 cache could be much bigger than before whereas the L2 cache could be “unified across a CCX” which is in line with what the leaker mentioned a while back. However, Paul now thinks that the L3 cache will either be shared by all core clusters or work as usual. In the second case, there could be an “MCD shared” L4 cache but it will only be for APUs.
All in all, the information largely echoes the rumors shared by RedGamingTech so it might be more accurate than not. But, like all leaks, we won’t know for certain until AMD officially takes the wraps off Zen 5 CPUs next year.
Fawad Murtaza – Tech Writer – 353 articles published on Notebookcheck since 2021
I am Fawad, a fellow tech nerd. As a tech junkie, my relationship with technology goes back to my childhood years. Getting my first Intel Pentium 4 PC was the start of journey that would eventually bring me to Notebookcheck. Finally, I have been writing for tech media since 2018. From small no-name projects to industry leaders, I have worked with a number of tech publications.
Fawad Murtaza, 2023-02- 8 (Update: 2023-02- 8)