AMD Introduces Instinct MI455X AI Accelerator with Advanced Memory and Process

AMD has unveiled its new Instinct MI455X AI accelerator at the "Advancing AI 2026" event, featuring HBM4 memory and a 2nm process. This represents a significant advancement in high-performance computing capabilities for AI workloads. The company also announced a price increase of over 10% for its GPU memory kits, mirroring a recent move by Nvidia, indicating rising costs in the high-end memory market.