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[Bofferbrauer2]

JEMC said:

Bofferbrauer2 said:

Zen 5 isn't even close to be out yet, and there are already speculations about Zen 6. Specifically in this case not Zen 6 directly, but how the current Infinity Fabric would need to get replaced with something more advanced. AMD has already announced that they would change things up then, and here's a nice technical video explaining what needs to change and the possible technologies behind those changes:

AMD ZEN 6 — Next-gen Chiplets & Packaging (youtube.com)

Less power draw and faster interconnect with much lower latency would definitely be nice; the latter would certainly on it's own already have a small effect on IPC while the lowered power draw gives more headspace for higher clock speeds.

Quite interesting. Thanks for sharing.

I think AMD will go for the cheapest option for the simple reason that their R5 processors will also need to be made with whatever solution they choose, and they're too cheap for some of those solutions. We've seen it with RDNA3, and how they went with a monolithic design for Navi 33 to save costs.

Yeah, I think they'll use Organic RDL, which AMD already dubbed Infinity Fanout Links according to the video. Like he says, it's the most logical choice as the price increase is much lower than on the other two options but the performance increase is still quite big compared to the old Infinity Fabric, especially in terms of latency.

I think it's also possible that this will only affect mainstream chips, and that the lower-end Ryzen 5/3 and Athlon (Any lower-end chips with Zen c cores) will still get the old Infinity Fabric, as for them the increase in cost might be to much for retaining profitability on those chips (especially the Athlons).