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.
Only the physical design. Also there’s no such requirement, not that strict anyways. Much smaller companies have worked with both, e.g. Tenstorrent. AMD can easily manage that.
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.
Only the physical design. Also there’s no such requirement, not that strict anyways. Much smaller companies have worked with both, e.g. Tenstorrent. AMD can easily manage that.