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Re:TSMC 3nm yield reportedly just 55%, Apple only paying for... by GeekyBear on Sunday July 30, 2023 @03:32AM (#36928762)
Samsung's initial 4nm yield was said to be particularly bad.

> It is being reported that Samsung Foundry’s yields for 4nm Snapdragon 8 Gen 1 chips are very low at just 35%.

https://www.sammobile.com/news/samsung-foundry-4nm-yield-sna...

Re:TSMC 3nm yield reportedly just 55%, Apple only paying for... by brucethemoose2 on Sunday July 30, 2023 @03:58AM (#36928901)
And those were relatively small dies.