TSMC is accelerating its push toward making chips smaller and more advanced, with plans to begin trial production of sub-1-nanometer (nm) semiconductor nodes around 2029, according to a new report.
Before that, the Taiwan-based semiconductor giant expects to launch mass production of its 1.4nm process-dubbed A14-in 2028. This node is projected to deliver about a 30% boost in both performance and energy efficiency compared to current technologies.
Early capacity for sub-1nm chips will be limited, with initial production volumes estimated at roughly 5,000 wafers per month. This level suggests a pilot or experimental phase rather than full-scale manufacturing.
TSMC plans to leverage its Tainan facilities, including the A10 fab and affiliated sites, to realize these next-gen fabrication steps. This move aligns with surging demand from sectors like artificial intelligence and high-performance computing, where incremental energy savings and performance gains are critical.
Apple is expected to be among the first customers to adopt these advanced nodes, continuing its longstanding partnership with TSMC to integrate the company’s latest process technologies into products. If all goes according to plan, sub-1nm chips could power new MacBook models by the decade’s end.
However, TSMC faces several key hurdles. The company must first stabilize yields on its 1.6nm and 1.4nm processes to ensure reliable supply. Moving below the 1nm barrier brings additional challenges, including ensuring high-quality crystal production, mastering extreme ultraviolet (EUV) lithography at this scale, and managing heat dissipation efficiently.
While still in the early stages and subject to timeline shifts, achieving sub-1nm manufacturing would mark a significant milestone. Smaller process nodes not only boost raw performance but also improve power efficiency-an increasingly vital factor amid growing demands for faster, more sustainable computing.
Compared to global competitors like Samsung and Intel, who are also racing to refine sub-3nm technologies, TSMC’s roadmap keeps it at the forefront of semiconductor manufacturing innovation. The company’s advancements will be important in defining the next decade of chip design, especially as AI workloads and mobile devices push the limits of current technology.
Keep an eye on how TSMC manages production challenges and its ability to deliver consistent yields, as these will determine when sub-1nm chips move beyond experimental phases to power mainstream consumer and enterprise devices.