AMD’s Radeon Instinct MI300X is AMD’s latest addition to their compute-focused CDNA line, aiming to challenge NVIDIA in both hardware and software with its massive chiplet setup, Infinity Cache, and high bandwidth capabilities. Acknowledging NVIDIA’s dominance in the GPU compute market, AMD has worked on improving software compatibility with their ROCm platform. MI300X showcases impressive caching improvements over previous CDNA generations, with lower latency and higher bandwidth, especially in local memory access tests. Notably, benchmarking tests reveal MI300X’s superior performance in tasks like FluidX3D simulations and gravitational potential calculations compared to NVIDIA’s H100 PCIe. In machine learning inference tasks, MI300X also demonstrates a significant lead in latency over H100 SXM5.
https://chipsandcheese.com/2024/06/25/testing-amds-giant-mi300x/