AMD Unveils Instinct MI455X AI Accelerator with HBM4 Memory and 2nm Process, Raises GPU Memory Prices

AMD has launched its Instinct MI455X accelerator, featuring HBM4 memory and built on a 2nm process, at its 'Advancing AI 2026' event. The company also increased GPU memory kit prices by over 10%, following a similar move by Nvidia. This highlights intense demand and rising component costs in the semiconductor industry for AI hardware.