AFAIU for 'heavy' 3D applications like AAA games the BW over the PCIe bus to the GPU can be a lot higher than what comes out of the cable to the screen. So just

AFAIU for 'heavy' 3D applications like AAA games the BW over the PCIe bus to the GPU can be a lot higher than what comes out of the cable to the screen. So just sending (compressed) pixels is not necessarily a bad remoting strategy. Though for something simple like just rendering GUI widgets the opposite may very well be true.