存储巨头，出现巨大分歧！

Group 1 - The article highlights the contrasting technological strategies of Samsung Electronics and SK Hynix in the development of next-generation HBM logic wafer processes, with Samsung prioritizing performance and advanced processes, while SK Hynix focuses on cost optimization [1][3] - Samsung is actively upgrading its logic wafer technology, planning to advance to 2nm technology for HBM logic wafers, which is crucial for high-speed data transmission in HBM systems [2] - SK Hynix plans to use a 12nm process for HBM4 and aims for a maximum of 3nm for HBM4E, but will retain the 12nm process for products with lower customer demand, indicating a conservative approach to performance upgrades [3] Group 2 - Samsung's logic wafers are becoming increasingly important in HBM, with the company having already upgraded its HBM4 logic wafer process from 8nm to 4nm in 2023, and is now pushing for 2nm technology [2] - SK Hynix's strategy reflects a preference for cost optimization over aggressive performance enhancements, as the company believes existing logic wafer technology is sufficient for HBM4E [3] - The article suggests that the differing approaches of Samsung and SK Hynix could lead to significant changes in the market landscape for HBM technology [1][3]