How SK Hynix’s risky HBM bet helped it briefly topple Samsung in South Korea’s AI chip race - Moneycontrol.com

SK Hynix's bold investment in high-bandwidth memory (HBM) technology enabled it to briefly surpass Samsung in South Korea's AI chip competition. This strategic move demonstrates SK Hynix's innovation ... Read original →

SK Hynix’s HBM bet succeeded by targeting the AI bottleneck shift—from compute logic to memory bandwidth. This triggered a cascade: TSMC’s CoWoS capacity tightened further, forcing NVIDIA to reprioritize supply chains, while pressuring Samsung to fast-track HBM4 and reassess DRAM fab depreciation. Geopolitically, U.S. export controls now classify HBM as sensitive tech; SK Hynix’s reliance on U.S.-based AI clients risks supply chain fragility despite short-term gains. Samsung won’t counter with price cuts alone—it will likely integrate logic and memory via processing-in-memory (PIM) architectures to regain system-level dominance. Over the next 12–24 months, HBM3E/HBM4 yield rates will decide market leadership. More critically, memory makers are evolving from commodity suppliers into co-architects of AI hardware.