Why GlobalFoundries Abandoned the Sub-7 nm Race: A Detailed Analysis

In the competitive and rapidly evolving semiconductor industry, GlobalFoundries' decision to halt development of sub-7 nm nodes was both strategic and necessary.

Introduction

In the competitive and rapidly evolving semiconductor industry, GlobalFoundries’ decision to halt development of sub-7 nm nodes was both strategic and necessary.

This move, announced in 2018, highlighted several critical factors that influenced the company’s direction.

Here, we explore the financial constraints, strategic refocusing on specialized processes, and client migration that shaped GlobalFoundries’ decision.

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The Rise of GlobalFoundries: A Comparative Look at TSMC

GlobalFoundries, founded in 2009, emerged as a major player in the semiconductor manufacturing industry with ambitions to rival industry giants like TSMC (Taiwan Semiconductor Manufacturing Company).

The company’s inception and subsequent growth are rooted in a rich history of strategic acquisitions, technological investments, and ambitious goals. This background provides a comprehensive understanding of GlobalFoundries’ journey and its initial comparisons to TSMC.

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The Genesis of GlobalFoundries

GlobalFoundries was born out of the divestiture of AMD’s (Advanced Micro Devices) manufacturing operations. In March 2009, AMD spun off its manufacturing arm to form GlobalFoundries, in partnership with the Advanced Technology Investment Company (ATIC) of Abu Dhabi. This move was part of AMD’s broader strategy to focus on its core business of designing and selling microprocessors while offloading the capital-intensive manufacturing aspect to a new entity.

The creation of GlobalFoundries was a significant event in the semiconductor industry, as it instantly positioned the company as a key contender in the global foundry market. The substantial financial backing from ATIC enabled to invest heavily in its manufacturing capabilities and infrastructure, aiming to compete with established leaders like TSMC.

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Strategic Acquisitions and Expansions

GlobalFoundries’ growth was fueled by strategic acquisitions and expansions:

Chartered Semiconductor Acquisition: In 2009, GlobalFoundries acquired Chartered Semiconductor, a leading semiconductor manufacturer based in Singapore. This acquisition expanded GlobalFoundries’ global footprint and manufacturing capacity, giving it a stronger position in the competitive foundry market.

Fab Construction and Upgrades: The company invested in constructing and upgrading several fabrication facilities (fabs) worldwide, including state-of-the-art fabs in New York and Dresden. These investments aimed to enhance GlobalFoundries’ production capabilities and technological prowess.

  • Technology Partnerships: GlobalFoundries formed key technology partnerships with companies like IBM, Samsung, and others to access advanced semiconductor technologies and accelerate its innovation efforts.

Initial Comparisons to TSMC

From its inception, GlobalFoundries was often compared to TSMC, the undisputed leader in the semiconductor foundry market. Several factors contributed to this comparison:

  1. Ambitious Goals: GlobalFoundries set ambitious goals to become a leading player in the foundry market, aiming to compete directly with TSMC. The company’s aggressive expansion plans and substantial investments mirrored TSMC’s strategy of continuous growth and technological advancement.
  2. Advanced Manufacturing Capabilities: GlobalFoundries quickly ramped up its manufacturing capabilities, focusing on advanced process nodes to attract leading semiconductor design companies. This approach was similar to TSMC’s strategy of pushing the envelope in process technology to stay ahead of the competition.
  3. Global Presence: Like TSMC, GlobalFoundries established a global presence with fabs and research centers across multiple continents. This global footprint was essential for serving a diverse range of customers and meeting the demands of the global semiconductor market.
  4. Customer Base: GlobalFoundries aimed to build a broad customer base, similar to TSMC’s approach of serving a wide array of clients across various industries, from consumer electronics to automotive and IoT.

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Challenges and Shifts in Strategy

Despite its strong start and ambitious plans, GlobalFoundries faced significant challenges:

  • Financial Constraints: The high cost of developing advanced semiconductor nodes, particularly beyond 7 nm, became a major hurdle. Unlike TSMC, which had a robust financial foundation and economies of scale, GlobalFoundries struggled to justify the immense investment required for cutting-edge process technology.
  • Competitive Pressure: TSMC’s established leadership and continuous innovation in the sub-7 nm space created intense competitive pressure. GlobalFoundries found it increasingly difficult to keep pace with TSMC and other industry leaders.
  • Strategic Refocusing: In 2018, GlobalFoundries announced its decision to halt the development of sub-7 nm nodes and refocus on specialized processes. This strategic shift marked a departure from its initial goal of directly competing with TSMC in the advanced node race. Instead, GlobalFoundries chose to leverage its strengths in areas such as RF, embedded memory, and low-power technologies.

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Conclusion

Financial Constraints

High Costs

Developing advanced semiconductor nodes, particularly those below 7 nm, involves significant financial investment. The cost of research, development, and manufacturing infrastructure for these cutting-edge technologies is astronomical. Estimates suggest that developing a new process node can cost billions of dollars, with expenses continuing to rise as the technology advances. For GlobalFoundries, the financial burden of continuing down this path was unsustainable. Unlike larger competitors, GlobalFoundries could not justify the enormous costs required to compete effectively in the sub-7 nm space.

Competitive Pressure

The semiconductor industry is dominated by a few key players, namely TSMC and Samsung, who had already established themselves as leaders in the sub-7 nm domain. These companies had not only developed the necessary technology but had also secured substantial market share, creating a formidable barrier to entry. For GlobalFoundries, catching up with these industry giants would have required a level of investment that was simply not feasible. The competitive pressure from these established leaders made it clear that continuing to pursue sub-7 nm nodes was not a viable strategy.

Focus on Specialized Processes

Market Demand

Recognizing financial and competitive challenges, GlobalFoundries shifted focus. They aimed at leveraging existing technologies effectively. High-growth markets included RF, embedded memory, and low-power devices. These are crucial for IoT and automotive industries. By concentrating on these areas, GlobalFoundries could address specific market demands and provide tailored solutions that their customers needed.

Innovation in Niche Areas

GlobalFoundries’ strategic pivot allowed the company to innovate in niche areas rather than compete head-to-head with industry giants in advanced node technology. This focus enabled GlobalFoundries to develop unique solutions that met specific customer requirements. For example, their advancements in RF and embedded memory technologies have positioned them as leaders in these specialized fields, providing a competitive edge in markets where these technologies are critical.

Client Migration

Performance Needs

Clients requiring the highest performance and lowest power consumption typically migrate to foundries offering the latest technologies. This trend saw some of GlobalFoundries’ clients move to TSMC or Samsung for their sub-10 nm needs. Performance and efficiency gains from advanced nodes are crucial for high-performance computing and flagship mobile devices. Clients prioritize seeking out the most advanced technologies available.

Strategic Partnerships

Despite losing some clients, GlobalFoundries has maintained strong relationships with many customers. These specialized processes provide a competitive advantage. Strategic partnerships have ensured a stable customer base. By focusing on clients in IoT, automotive, and other specialized sectors, GlobalFoundries delivers value. They offer tailored solutions that meet specific performance and cost requirements.

Kumar Priyadarshi
Kumar Priyadarshi

Kumar Joined IISER Pune after qualifying IIT-JEE in 2012. In his 5th year, he travelled to Singapore for his master’s thesis which yielded a Research Paper in ACS Nano. Kumar Joined Global Foundries as a process Engineer in Singapore working at 40 nm Process node. Working as a scientist at IIT Bombay as Senior Scientist, Kumar Led the team which built India’s 1st Memory Chip with Semiconductor Lab (SCL).

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