AMD Instinct MI300C APU Shows Up In Patches, Powered By Zen 4 Cores & HBM3

wccftech.com:

An unreleased variant of the AMD Instinct MI300 accelerators has surfaced, showing the company's commitment to capitalizing on the AI gold mine.

For a quick recap, AMD recently released its Instinct MI300 APUs, which combine Zen 4 CPU cores with CDNA 3 GPU cores with up to 153 Billion transistors & 192 GB HBM3 memory. There are two accelerators currently available, the MI300A (CPU+GPU) and the MI300X (GPU-Only). The driving force behind AMD's MI300 APUs is its latest CDNA 3 architecture, which has elevated the platform to new heights.

However, there had been whispers of a third variant in development; by the looks, we finally have the first glimpse of it. The AMD Instinct MI300C APU variant appeared on Linux's EDAC (Error Detection And Correction) and was initially revealed by  Coelacanth Dream.

Before we go into details, the important aspect is that AMD's Instinct MI300 APUs feature various configurations with CPU-only, GPU-only, and CPU+GPU integrated SKUs. We have yet to see AMD confirm such as variant but this could be a CPU-Only design as hinted by the "C" within the name.

While the source hasn't disclosed information about the emerged AI accelerator, it was previously reiterated by SemiAnalysis in a report back from June 2023 that the alleged "MI300C" will be a CPU-only variant. Here is what they had to say:

MI300C would go the opposite direction and be CPU only with 96-core Zen4 + HBM answer to Intel's Sapphire Rapids HBM. However, the market for this may be too small and the product too expensive for AMD to productize this variant.

AMD is definitely looking to target Intel's Sapphire Rapids HBM variants known as Xeon Max CPUs through this release as they also combine Golden Cove P-Cores with high-bandwidth memory. The