SK hynix asserts HBM leadership as rivals improve but yield gaps persist - CHOSUNBIZ - Chosunbiz

SK hynix maintains its leadership in the high bandwidth memory (HBM) market despite increasing competition, citing stable production yields, product quality, and customer trust as key differentiators.... Read original →

SK hynix’s sustained dominance in the HBM market is rooted in its advanced manufacturing capabilities and production maturity, particularly with the stable yields of HBM4 and preparations for HBM4E ramp-up in 2027. This technological progression directly fuels demand for higher bandwidth and efficiency in AI accelerators, pushing downstream chipmakers to adopt more advanced HBM solutions. Innovations in hybrid bonding and thermal management—such as iHBM—position SK hynix to reduce thermal resistance by over 30%, narrowing competitors’ advantages. From a geopolitical standpoint, its established production base and long-term customer relationships offer resilience amid global supply chain fragmentation. As rivals like AMD and NVIDIA intensify their HBM sourcing strategies, SK hynix’s capacity and trust-based partnerships will solidify its competitive moat. Within the next 12 months, the HBM sector is expected to see a convergence of technological advancement and capacity expansion, reinforcing SK hynix’s leadership trajectory.