SK Hynix & Nvidia are working on stacking HBM on CPU

[Marzipan]

that could have crazy implications for performance...and heat!

SK Hynix and Nvidia reportedly working on a radical GPU redesign that 3D-stacks HBM memory directly on top of the processing cores

SK Hynix is working with Nvidia, other logic designers on HBM4 integration.

www.tomshardware.com