AMD Ryzen 9 9950X3D and 9900X3D expected to launch in late January

AMD's highly anticipated Ryzen 9 9950X3D and 9900X3D processors are finally on the horizon, with a launch expected before the end of January. However, a new leak has revealed a surprising detail about these upcoming CPUs: they won't feature 3D V-Cache on both chiplets as some rumours suggested.

Leaker Hoang Anh Phu, known for reliable AMD hardware leaks, claims that the Ryzen 9 9950X3D and 9900X3D will use a similar design to their predecessors, with 3D V-Cache stacked on only one of the two CCDs. This means we can expect an additional 64 MB of cache on a single chiplet, bringing the total L3 cache to 128 MB.

While this news might disappoint some who were hoping for dual-chiplet 3D V-Cache, it's not entirely surprising. AMD faced challenges with its previous generation Ryzen 7000X3D series due to the non-uniform CCD design. This required the development of specific thread-scheduling algorithms to prioritise the CCD with 3D V-Cache for gaming workloads and the other chiplet for single-threaded applications.

Despite the single-chiplet 3D V-Cache configuration, the Ryzen 9 9950X3D and 9900X3D will still benefit from AMD's second-generation 3D V-Cache technology. This updated design flips the order of the CCD and cache compared to the previous generation, potentially leading to improved performance and efficiency.

KitGuru says: Having each CCD of the Ryzen 9 9950X3D and 9900X3D with 3D V-Cache would most likely be the better option, but also the most expensive for the manufacturer and the consumer. Hopefully, with the latest 3D V-Cache technology, the problems of previous dual-chiplet X3D CPUs can be mitigated.

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