AMD targets Nvidia H200 with 256GB MI325X AI chips, zippier MI355X due in H2 2025

Less VRAM than promised, but still gobs more than Hopper

AMD boosted the VRAM on its Instinct accelerators to 256 GB of HBM3e with the launch of its next-gen MI325X AI accelerators during its Advancing AI event in San Francisco on Thursday.…