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Re:Intel outsources Core i3 to TSMC's 5nm process by wtallis on Wednesday January 20, 2021 @10:12AM (#25847313)
Intel's selling off the NAND fabs and never owned a 3D XPoint fab; Optane products are built with 3D XPoint memory fabbed by Micron, with whom they co-developed 3D XPoint.

And it's not cheap or quick to refit a memory fab to produce processors.

Re:Intel outsources Core i3 to TSMC's 5nm process by ryneandal on Wednesday January 20, 2021 @10:34AM (#25847595)
Ah, I didn't look too deeply into the NAND sale. In that case, yeah I totally see why they are choosing to outsource to TSMC.