If Musk is set on moving chip production to the U.S., then the Samsung factory may hold other advantages over Taiwan Semi. Samsung is bringing its most advanced manufacturing to Texas, while Taiwan Semi’s factory in Arizona uses its previous generation, and that may mean Taiwan Semi’s technical advantage is erased in U.S. production.

TeslaTSLA stock advanced higher at Monday's stock market open after CEO Elon Musk confirmed late Sunday that the EV giant has signed a $16.5 billion, multiyear, deal with Samsung for AI chips. Musk claimed that the initial price tag on the deal is just the beginning.