Semiconductor Geopolitics: Why Chips Are the New Oil

In the 20th century, nations fought over oil. In the 21st century, the resource that powers economies, militaries, and AI systems is semiconductors — and the geopolitics around them is intensifying.

**Why chips are strategic**

Modern semiconductors — particularly the most advanced logic chips made by TSMC, and AI accelerators from NVIDIA — are concentrated in a handful of companies in a handful of locations. The entire global production of leading-edge chips (3nm and below) runs through a single factory cluster in Taiwan.

This geographic concentration creates strategic vulnerability. Any disruption — military, natural disaster, or political — would cascade through every industry on earth.

**The US-China technology war**

Since 2019, the US has progressively restricted China's access to advanced semiconductor technology. Export controls now cover not just chips themselves but the equipment to make them (Dutch ASML EUV machines), the software (EDA tools from Synopsys, Cadence), and chip designers.

China's response: a massive state-sponsored effort to develop domestic semiconductor capability. SMIC has reached 7nm using older DUV lithography — impressive but still two generations behind TSMC. Huawei's Kirin 9000S was the demonstration that China can make something competitive — slowly and expensively.

**TSMC's strategic importance**

TSMC makes over 90% of the world's most advanced chips. Taiwan's protection is partly geopolitical reality: destroying TSMC would set global technology back a decade and devastate China's own technology sector. This "silicon shield" theory argues that Taiwan is safer than it would otherwise be.

But TSMC is hedging. Their Arizona fab (opening in phases) and Japan fab (Sony partnership) are building geographic redundancy. The US CHIPS Act provides $52 billion in incentives to onshore semiconductor manufacturing.

**The AI accelerator bottleneck**

NVIDIA's H100 and H200 GPUs are essential infrastructure for training large AI models. During peak demand in 2023–2024, they were rationed like controlled substances. The US has imposed export restrictions on advanced AI chips to China — creating a second front in the semiconductor war.

**Looking ahead**

The semiconductor supply chain will not become truly redundant quickly. Building a leading-edge fab takes 5–7 years and costs $20+ billion. The current geopolitical contest will play out over decades, not years.

Semiconductor Geopolitics: Why Chips Are the New Oil

// COMMENTS

ON THIS PAGE