Is HBM4 the Last Big Bandwidth Leap? The Memory Wall for AI Inference
HBM4 doubles the per-stack interface to 2,048 bits. We test whether this is the last big bandwidth leap and what it means for AI inference.
HBM4 doubles the per-stack interface to 2,048 bits. We test whether this is the last big bandwidth leap and what it means for AI inference.
HBM4의 2,048비트 인터페이스가 GPU 대역폭을 어떻게 22TB/s까지 끌어올렸는지, HBM4E·HBM5와 AI 추론 병목의 투자 시사점을 검증합니다.