AMD Reveals Ambitious AI Accelerator Roadmap Amid Competitive Tensions with Nvidia

Another AMD roadmap focuses on AI accelerators and contains far more details than the previous ones concerning consumer GPUs and CPUs. The AI market is incredibly important for AMD, hence the company is not shy about sharing what can already be disclosed.

Photo by AMD via WCCF Tech

Photo by AMD via WCCF Tech

Next year, the company will release its Instinct MI400 series accelerators, with the MI500 series expected in 2027. This marks an annual release cycle for new generations. Specific details are known about the MI450 series accelerator. It was previously reported that this chip would be composed of eight chiplets. In FP4 mode performance, it will reach 40 PFLOPS. The accelerator has an astonishing 432 GB of HBM4 memory with a bandwidth of 19.6 TB/s.

Photo by AMD via WCCF Tech

Photo by AMD via WCCF Tech

AMD even compared this accelerator with Nvidia’s Vera Rubin, which will also be released next year. There will be approximate parity between the products in terms of memory bandwidth, performance, and scalability, but AMD’s solution will offer one and a half times more memory. It’s likely that AMD’s accelerator will also be cheaper.

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The MI400 series will include two products: the Instinct MI455X, designed for scalable AI training and inference workloads. The second is the MI430X, designed for high-performance computing and autonomous AI tasks, with support for FP64, hybrid computing (CPU+GPU), and the same HBM4 memory as the MI455X. Details about the MI500 lineup are sparse, but AMD’s graph clearly indicates a massive performance leap with this generation.