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Samsung to start 2nm mass production at Hwaseong S3 fab in 2025
Sunday, January 25, 2026 at 01:32 PM
Samsung is planning to transition to 2nm mass production in 2025. Reports indicate that the initial 2nm mass production will take place at the S3 fab in Hwaseong, South Korea, rather than the newer P4 facility in Pyeongtaek. This move is reportedly intended to mitigate yield risks before scaling further.
Context
Samsung is accelerating its advanced semiconductor roadmap by installing 2nm production equipment at its Hwaseong S3 fab in South Korea. The company aims to initiate trial production in Q1 2025, with full-scale mass production of its SF2 node scheduled for the second half of the year. This aggressive timeline positions Samsung to compete directly with TSMC, which is also targeting a late 2025 window for its 2nm N2 process. By converting existing 3nm lines at the S3 facility, Samsung expects to reach an initial monthly capacity of 7,000 wafers, primarily targeting the high-growth mobile and AI sectors.
Success in this transition is critical for Samsung to recover foundry market share and secure high-profile clients like Tesla, Ambarella, and Preferred Networks. The SF2 process leverages third-generation Gate-All-Around (GAA) architecture, which the company claims provides a 25% improvement in power efficiency and a 12% boost in performance over previous generations. Recent industry reports estimate that Samsung has stabilized its 2nm yield rates between 55% and 60%, a significant milestone as it prepares to manufacture the next-generation Exynos 2600 and specialized AI accelerators.
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