tl;dr: Intel and AMD are not selling their processors to Russia, and processors from Russian companies cannot be manufactured as Taiwan is banning TSMC from doing so, while Russia can only produce chips up to a 90 nm process.
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China isn’t limiting CPU sales to Russia. The article that’s been going around talks about China restricting foreign sales of a particular type of chip, and that has nothing to do with Russia.
thank you for the info. The article I said highlighted it as a potential point of conflict with Russia but I’m not deeply into that subject so I don’t really know.