A new rumour from South Korea suggests that Microsoft and AMD are developing an Arm processor for laptops. It will use Cortex-X1 CPU cores, an AMD mRDNA2 GPU with 8CUs, and an Exynos 5G modem. The mystery SoC will be fabbed on TSMC's 5nm node.
https://www.notebookcheck.net/Microsoft-and-AMD-are-reportedly-developing-an-Arm-processor-for-laptops.568434.0.html
It doesn't make much sense to say that Samsung's participation in the project will concern the design of the chip: in this case, what is AMD's role?