I would have to find it again but a while ago I was looking at thermal images of AMDs chipslets and the IO die is pretty cool compared to the chiplets for the c

I would have to find it again but a while ago I was looking at thermal images of AMDs chipslets and the IO die is pretty cool compared to the chiplets for the cores. There probably is some power savings for using a newer node for the IO dies, but it would minor compared to the cores.