AMD Instinct MI455X GPU launches with 432GB of HBM4 memory and next-gen CDNA 5 architecture
TweakTown | 24.07.2026 01:44
Coinciding with AMD's Advancing AI 2026 event, the company has launched its latest AMD Instinct data center GPUs purpose-built for the AI era, with the Instinct MI400 Series led by the flagship AMD Instinct MI455X GPU. Built on a 2nm process, it sports 320 billion transistors, a maximum clock speed of 2.4 GHz, and 432 GB of high-speed HBM4 memory with a peak memory bandwidth of 23.3 TB/sec.
