Unannounced AMD Ryzen processors with doubled 3D V-Cache up to 192MB have been discovered.

AMD Ryzen 9 5950X3D and Ryzen 9 5900X3D processors with 3D V-Cache and up to 192MB cache were spotted on the GamerNexus tour in Texas at the AMD Testing and Engineering Campus .

AMD was clearly working on even more chips than was planned for release. While visiting the AMD campus in Austin, Texas, the GamersNexus team noticed prototypes and unreleased samples of AMD processors with 3D V-Cache that were never released to the market. In particular, among them were found models of the Ryzen 7000 ("Zen 4") series and two models of the Ryzen 5000 ("Zen 3") series, namely Ryzen 9 5950X3D and Ryzen 9 5900X3D, with a total of 16 and 12 cores, respectively.

What's unusual about these two AMD 3D V-Cache processors is that all of these unreleased chips have a 3D V-Cache stack on both of their CCDs. This allows processors to have up to 192 MB of L3 cache. Each stack provides 64MB of L3 cache for a total of 128MB, with the rest of the 64MB cache being a standard 32MB L3 cache configured in each CCD that is shared across all cores. The Zen 3 had a 1MB L2 cache, so it's easy to see that Ryzen 5000 parts are at work here.

AMD has officially unveiled just four processors with 3D V-Cache for its client desktop platform. Including one chip for socket AM4 and three chips for socket AM5. There are reports of a second chip being launched for socket AM4, but it looks like AMD had more chips planned during the initial prototyping phase.