So this is a ram chip stacked on top of a processor. This means that instead of the processor being in one spot on the board and the ram being several inches away, they are effectively one chip. The article mentions that the data of a full bluray disc could be moved from the ram through the chip in 1/50th of a second. THAT is Fast! This is the future in general of chips, stacking and mixing layers of logic and memory. This means very good things for customers.
NVIDIA reveals Volta next-gen GPU platform.