I doubt integrated GPUs will ever reach the performance of discreet GPUs, as you said - thermal budget is the limiting factor. PCIe speeds are increasing, so th

I doubt integrated GPUs will ever reach the performance of discreet GPUs, as you said - thermal budget is the limiting factor. PCIe speeds are increasing, so that's not a big issue. If anything, I expect some of these co-processors to become new PCIe connected cards. I.e. in addition to GPU you'll have some other *PU with its own cooling.