AMD Helios Challenge to NVIDIA Rack-Scale Dominance

AMD launched Helios 72-GPU rack with 50% more HBM4 memory than Vera Rubin NVL72, secured $14B Core Scientific deal for 530MW capacity, and major customer wins (OpenAI, Meta, Anthropic, Microsoft). Software gap (ROCm vs CUDA) remains but competitive threat intensifies. Core Scientific revenue doubled, AI colocation now largest business.