Tesla targets chip fab inefficiency: wafers spend as little as 20% of time in useful processing
XFreeze · x · 2026-11-07
A long thread lays out Tesla's push into chip manufacturing. Musk points to massive inefficiency in semiconductor fabs: over half a wafer's time goes to transport and queuing, and in some cases only 20% involves useful physical changes — roughly 80% of the time is wasted.
Key points:
- Huge fab capital costs make incumbents reluctant to experiment; they prefer proven processes with incremental gains
- Tesla will build a research chip fab at Gigafactory Texas to trial new approaches, transferring successes to Terafab for mass production
- The goal isn't just capacity but rethinking the whole process with first-principles manufacturing: less waiting, less movement, more productive processing
- At Tesla's targeted scale, even modest efficiency gains translate into enormous output increases
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