this post was submitted on 10 Feb 2025
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Yes it would take a lot of effort, the EU certainly has the money but seems content at the moment to throw it at America
Looks like Arizona already producing 4nm so not too far:
https://www.tomshardware.com/tech-industry/semiconductors/tsmcs-arizona-fab-21-is-already-making-4nm-chips-yield-and-quality-reportedly-on-par-with-taiwan-fabs
But outside of TSMC it looks like just Samsung competing in the space, as you said Intel miles behind and AMD sold off all it's fabs
Not sure how it is going, but Chinese are also pouring a ton of money into bleeding edge class processes by using an alternative technology than ASML (for obvious reasons). Will try to find the link somebody posted.