The Fabless Model: Why NVIDIA, AMD, And Apple Don’t Build Their Own Chips

2026-01-06 · Source: Towards AI - Medium · Field: Technology & Digital — Semiconductor Industry, Emerging Technologies & Innovation · Depth: Novice, medium

Summary

The fabless model, where semiconductor companies design chips but outsource manufacturing to specialized foundries, has become the foundation of the modern semiconductor industry. Companies like NVIDIA, AMD, and Apple focus on chip architecture, intellectual property, and software development, while third-party manufacturers, or "fabs," handle the physical production. This separation emerged due to the astronomical costs of building and operating cutting-edge fabrication plants, with a new TSMC fab costing around $49 billion, and the rapid evolution driven by Moore's Law. TSMC, founded in 1987, pioneered the "pure-play foundry" concept, manufacturing chips for others without designing its own, thus avoiding competition with clients. TSMC dominates the global pure-play foundry market, controlling approximately 70.2% in Q2 2025, with Samsung Foundry at 7.3% and SMIC at 5.1%. TSMC has also driven miniaturization from 3-micron processes in 1987 to 1.4-nanometer processes by 2025, achieving atomic-level precision where transistors are nearly the size of DNA strands.

Key takeaway

For Business Analysts evaluating supply chain strategies in high-tech hardware, understanding the fabless model is crucial. This approach allows companies to avoid massive capital expenditures on fabrication plants, enabling greater focus on design innovation and software development. You should consider how extreme specialization in your own value chain could lead to similar efficiencies and competitive advantages, particularly in industries with rapidly evolving and costly production processes.

Key insights

The fabless model drives semiconductor innovation by separating design from manufacturing, enabling extreme specialization and cost efficiency.

Principles

• Specialization reduces capital expenditure.
• Moore's Law necessitates continuous fab upgrades.
• Neutrality builds trust in manufacturing partnerships.

Method

Semiconductor companies design chip architectures and IP, then contract pure-play foundries like TSMC for silicon wafer fabrication, process technology research, and high-volume production.

In practice

• Outsource chip manufacturing to specialized foundries.
• Focus internal resources on chip design and software.
• Utilize pure-play foundries to avoid IP competition.

Topics

• Fabless Model
• Semiconductor Manufacturing
• TSMC
• Chip Design
• Transistor Miniaturization

Best for: Business Analyst, Consultant, General Interest

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• It’s a bad time to want a new computer — Global memory and storage shortages are significantly increasing hardware costs and complicating product development and sourcing.

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Editorial summary, takeaway, and curation by AIssential. Original article published by Towards AI - Medium.