Samsung Foundry Hits 80% Yield on 4nm Process, Boosting AI and HBM4 Prospects

Samsung Foundry's 4nm process has reportedly surpassed an 80% yield, a key milestone that establishes it as a mature and reliable technology for producing advanced AI chips.

This achievement is particularly critical for manufacturing the logic base die for next-generation HBM4 memory, strengthening the synergy between Samsung's foundry and memory divisions.

With TSMC facing tight capacity, Samsung's improved yield positions it as a credible second source for sub-5nm chips, enhancing its pricing power and potentially accelerating its foundry business's return to profitability.

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Samsung Foundry's 4nm process achieving an 80% yield marks a significant turning point for its semiconductor business.

This 80% figure is more than just a number; it's the industry benchmark for a process node becoming 'mature'. A mature yield means the manufacturing process is stable, predictable, and cost-effective enough for high-volume production of the most complex chips. This is crucial for two key areas: advanced AI ASICs and the logic base die used in next-generation HBM4 memory, which requires a new level of system-level integration.

This development couldn't have come at a better time, for a couple of key reasons. First, the market leader, TSMC, is currently running its advanced nodes at full capacity, with reports of price hikes for customers. This creates a strong demand for a viable second source, and Samsung's newly matured 4nm process makes it a highly attractive alternative for chip designers concerned about supply chain resilience and cost.

Second, Samsung has been strategically building towards this moment. The company has been using its own 4nm process to manufacture the essential logic base die for its HBM4 products. This vertical integration—combining memory, foundry, and packaging—is a unique advantage. Recent reports of Samsung raising prices for these HBM4 logic dies by 40-50% already signaled the rising confidence and value of this in-house production capability.

Ultimately, reaching an 80% yield transforms the narrative for Samsung's foundry. It's no longer just a technical goal but a direct driver of profitability. This milestone enhances Samsung's pricing power, strengthens its competitive position against TSMC, and could accelerate the foundry division's return to profitability, potentially as early as the second half of 2026.

Foundry: A semiconductor manufacturing plant that produces chips designed by other companies. It's like a 'factory for hire' for chip designers.
Yield: The percentage of good, usable chips produced from a single silicon wafer. A higher yield means lower production costs and higher efficiency.
HBM (High Bandwidth Memory): A type of high-performance computer memory used in high-end graphics cards, network devices, and AI accelerators where speed is critical.

Samsung Foundry Hits 80% Yield on 4nm Process, Boosting AI and HBM4 Prospects

Samsung Foundry's 4nm process has reportedly surpassed an 80% yield, a key milestone that establishes it as a mature and reliable technology for producing advanced AI chips.

This achievement is particularly critical for manufacturing the logic base die for next-generation HBM4 memory, strengthening the synergy between Samsung's foundry and memory divisions.

005930.KS

Samsung Foundry's 4nm process achieving an 80% yield marks a significant turning point for its semiconductor business.

Foundry: A semiconductor manufacturing plant that produces chips designed by other companies. It's like a 'factory for hire' for chip designers.
Yield: The percentage of good, usable chips produced from a single silicon wafer. A higher yield means lower production costs and higher efficiency.
HBM (High Bandwidth Memory): A type of high-performance computer memory used in high-end graphics cards, network devices, and AI accelerators where speed is critical.