You are asking for something nobody can deliver because there isn't an official statement from Samsung or Apple. Just like you cant deliver the same with your 14LPE argument.
A9X is TSMC exclusive too. But its also a higher performance part.
"I'm correct because I know everything and I'm never wrong (except when I am)."
If you can't source something, don't state it as fact. That's something that you really struggle with (stating everything that you "know" as fact, even if you can't back it up).