shadowplay.
Nvidia shadowplay as a given. Then the lack of CUDA will impact any tasks requiring this GPGPU tasks for instance.
Apart from that l am sure other people in the know will have a greater understanding.
As long as you CPU has an integrated iGPU then the whole everyday computer experience should not really take a hit.
Sorry to seem rude, but are you being serious or sarcastic?
By shadowplay, CEUOTC means nvidias video recording software. People use it to record gameplay footage.
I don't see why you would, as its an expensive downgrade but if you wouldn't game on the pc you won't lose much..