Off the top of my mind (sorry, I don't have the time to double check now): Phi has shared GDDR and distributed caches. Phi cores and caches are connected throu

Off the top of my mind (sorry, I don't have the time to double check now): Phi has shared GDDR and distributed caches. Phi cores and caches are connected through a bidirectional ring interconnect, not a 2D mesh network. Still similar, but not as much.