Samsung unveils HBM5 as SK hynix touts supply edge in Korea’s HBM showdown - CHOSUNBIZ - Chosunbiz

At the 2026 Computex trade show in Taipei, South Korea's leading memory chipmakers Samsung Electronics and SK Hynix clashed for dominance in high-bandwidth memory (HBM), a critical component in the er... Read original →

Samsung’s HBM5 and HPB thermal solution unveiled at Computex 2026 in Taipei, China, isn’t just a tech demo—it’s a strategic counter to SK hynix’s HBM4E dominance. If HBM5 scales on 2nm, it will force AI chip architects to shift from pure bandwidth maximization to co-optimizing thermal efficiency and memory throughput, directly impacting NVIDIA’s Vera Rubin packaging and cooling designs. SK hynix retains near-term pricing power through early capacity and tight NVIDIA integration, yet its client concentration heightens exposure to U.S. export controls on advanced packaging. Over the next 12 months, competition will pivot from yield and lead times to IP moats: Samsung may weaponize HPB into a thermal patent fortress, while SK Group could accelerate investments in CoWoS alternatives. This intra-Korean rivalry is quietly redefining the compute-memory coupling paradigm in global AI data centers.