IMO, instead of a GPU, much of the rendering could be done on a "Vision Processing Unit" like the Movidius device - cheap, low-cost, power efficient http://www.

IMO, instead of a GPU, much of the rendering could be done on a "Vision Processing Unit" like the Movidius device - cheap, low-cost, power efficient http://www.movidius.com/ http://www.movidius.com/