半导体行业观察·2025-03-08 03:39Core Viewpoint - Samsung's foundry division is struggling to close the gap with TSMC, which holds over 60% of the global market share, due to issues with yield rates and investment strategies, leading to a widening market share difference of approximately 59 percentage points as of Q4 last year [1][2][3]. Investment Strategies - TSMC has announced a significant investment plan of $100 billion in the U.S., expanding its total investment to $165 billion, which is its largest investment in the U.S. to date [1][2]. - In contrast, Samsung is facing difficulties in securing clients and making investment decisions, which hampers its ability to expand capacity [1][2]. Market Share Dynamics - TSMC's foundry market share increased from 64.9% in Q3 to 67.1% in Q4, while Samsung's market share decreased from 9.3% to 8.2% during the same period, highlighting the growing disparity between the two companies [2][3]. Production Capacity and Technology - TSMC is ahead in the production of advanced 2nm technology, with a reported yield rate of 60%, while Samsung has not disclosed its yield figures, raising concerns about its competitive position [4]. - Samsung's advanced packaging plant construction has been delayed from 2024 to 2026 due to market conditions, contrasting with TSMC's progress in Arizona [2][4]. Client Acquisition Challenges - Samsung is struggling to secure orders from major U.S. tech companies, which is critical for its foundry business, while TSMC is successfully obtaining a large number of AI semiconductor orders [2][4].