AMD Ryzen 8000 Series Based on Zen5 Will Make Use of Hybrid Core Architecture Similar to Intel Alder Lake

AMD‘s next-generation of desktop processors is right around the corner. Ryzen 7000 (or whatever it may be called) is supposed to bring the biggest leap in generation improvement for Ryzen since its inception. The new Zen4 microarchitecture paired with the brand-new AM5 platform, Ryzen’s first new socket since AM4 in 2017, are going to deliver a beatdown worthy of the hype behind this release, or at least that’s what AMD hopes happens.

Even though, we know very little officially about Ryzen 7000 (quite a lot is known through leaks and rumors), reports for the generation after that have already started to surface. Ryzen 8000, the supposed successor to Ryzen 7000 will be built on a new microarchitecture and bring forth a massive change to the design of Ryzen CPUs as a whole.

The history 

It is believed that development on Zen5, the architecture behind Ryzen 8000, has already covertly begun at AMD due to various leaks and real-world evidence. Case in point, back in 2019, AMD’s CPU Architect David Suggs updated his LinkedIn profile to reflect his work at the time. David Suggs served as the chief architect for Zen2 in 2019 but his bio at the time read “chief architect for Zen2 and Zen5 high-performance micro-processors cores.

David Suggs’ LinkedIn profile at the time | Unknown source

This outed the fact that Zen5 was already at least in its conceptualization stages all the way back in 2019 when AMD was just coming off the tails of launching Ryzen 3000 CPUs. After everyone discovered this, of course, David Suggs removed the Zen5 part from his profile but it was too late by then. And if that wasn’t enough, AMD themselves indirectly confirmed that work has started on Zen5 in a video posted to YouTube in 2018.

The video, titled “Ryzen Processors: One Year Later“, a bunch of employees at AMD talk about developing Ryzen and their experience with the team, one person’s statement stood out above the rest. Mike Clark, chief architect of Zen, Ryzen’s first microarchitecture, said that he’s already working on the Zen5 architecture ahead in time. Keep in mind that this video was uploaded only one year after the release of the first Ryzen processors.

It’s very exciting. As an architect, I’m already working on Zen5 actually.

Hybrid Zen cores?

All that brings us to the present where today’s leak shines some new light on what we can expect from Zen5 in the future. RedGamingTech, a YouTuber covering hardware leaks and rumors, recently posted a video going over early Zen5 information. In the video, he reveals that Zen5-based processors will be similar to Alder Lake (and Raptor Lake) in the sense that like Intel’s offerings, they will rock two types of cores in a hybrid design.

According to the leaker, Zen5 will approach the hybrid design a little differently. Instead of employing efficiency and performance cores dedicated to get the most out of each domain, Ryzen 8000 will actually rely on both Zen5 and Zen4 cores. We’ll see a combination of large and small cores, the latter of which will be Zen4-based to provide maximum efficiency whereas the former will be true next-gen Zen5 cores for optimal performance. 

As far as performance is concerned, we’re looking at an enormous 30% uplift in IPC gains for single-threaded workloads. For reference, going from Zen2 to Zen3 brought along a 19% IPC improvement which resulted in a significant increase in performance, especially gaming. So you can already tell the kind of performance Zen5, aka Ryzen 8000, will pack.

IPC gains for Zen3 microarchitecture | AMD

Moreover, AMD will also reportedly double the core count compared to the current maximum. Right now, the most amount of cores you can get in a mainstream desktop CPU is 16 and it’s only available in two processor, both from AMD. Going into Ryzen 8000, you can expect to see CPUs with maximum core counts of 32-cores and, if AMD enables hyperthreading on the smaller Zen4 cores, 64-threads. Now, that’s truly insane.

But it doesn’t end there, as per this report, AMD will also be giving an overhaul to how cache works in Ryzen processors. All levels of caches, L1, L2 and L3 will be getting a sizable increase in their capacities. The L1 cache is said to be subject to the greatest increase whereas the L2 cache will also see a major uplift to the point where it will be unified across the core complex so every core has direct access to the same pool of L2 cache.

Last but not least, AMD will be lowering the latency of the L3 cache and reduce the die size in efforts to make it available to all core clusters. Hearing the L3 cache term, you may instantly think of AMD’s 3D V-Cache technology used in the new Ryzen 7 5800X3D is using. We don’t know how that will be implemented in Zen5 chips but it wouldn’t be illogical to say that 3D V-Cache is reponsible for a lot of the cache improvements we’ll see with this architecture.

AMD 3D V-Cache stacking technology | AMD

Calm your horses

While what you just read is quite the exciting news, it’s still a rumor and should be taken with a grain of salt nonetheless. We haven’t even seen Zen4 release yet and Ryzen 8000’s development will surely be dependent on Zen4 plays out. So, wait for more leaks and reports to surface around or after the Zen4 launch to see if these rumors will actually materialize.

One more important thing to note here is that mobile APUs based on Zen5 will still utilize Zen4 cores despite being a part of the subsequent generation, according to RedTechGaming. Furthermore, Intel is also ready to launch its next-generation of desktop processors alongside AMD, later this year. Raptor Lake, aka 13th Gen Core series, will be an interesting observation for AMD to see if Intel’s hybrid design philosophy really was the right choice for the long-game or more of a one-hit wonder.

Intel desktop CPU roadmap through 2024 and beyond | Intel

Intel will follow up Raptor Lake with Meteor Lake, the real competition of Zen5. Both CPU generations will launch most likely in late 2023 or early 2024. Meteor Lake is rumored to use a tile design where each tile will be relegated to an aspect of the processors, such as I/O. Meteor Lake (14th Gen Core series) will see Intel dabble in unfamiliar territory again with hopes of pulling another Alder Lake victory. That’s around the time when Ryzen 8000 (Zen5) will launch as well making for a hell of a competition between the silicon giants.

Huzaifa Haroon
Born and raised around computers, Huzaifa is an avid gamer and a Windows enthusiast. When he's not solving the mysteries of technology, you can find him writing about operating systems, striving to inform the curious.

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AMD Ryzen 8000 Series Based on Zen5 Will Make Use of Hybrid Core Architecture Similar to Intel Alder Lake

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