Contract wise, you will need to hire separate teams. People working with TSMC will not be allowed to work with Samsung and vice verse cause these foundries will not want their trade secrets to be leaked out.

GAA is 3nm, and reports are that it’s not going very well

It is already leaked, GB200 is a chiplet design that will be exclusive for server customers. GB202 will be used for the 5090.

Thing is a big 20% IPC increase sounds way less impressive if it comes with a 5-10% clock speed decrease.

It looks very reasonably priced compared to the 4080. In the vacuum it’s overpriced compared to the improvements from 6800XT/6900XT.

https://www.semiaccurate.com/2023/09/26/whats-going-on-with-qualcomms-oryon-soc/

It has already been leaked that the Oryon is going to be a dumpster fire, all thanks to Qualcomm’s sheer incompetence. So don’t get your hopes up too much. On the bright side things might improve if Qualcomm can learn from their mistakes.