Depends on the technology. If you have a manual switch system, to change the GPU, my software can help when the Nvidia GPU is activated. Of course, you'll need to activate it before my software is suppose to change your graphic card performance. Because the GPU will be turned off, so it will be ignored. A possible use, is if you go in out gaming, and don't want to always manually switch the GPU as you require to practically close all programs to do so. Let's say you play game A, then had enough, check your e-mail, check the web, start game B, or as you mentioned, limit the graphic card performance to have something in between the Intel and the Nvidia GPU normal performance for extended play. If you are using a GPU with Nvidia Optimus, where it auto switches for you and without the need to close any program, then all I can say, is that I haven't tested my software with such system. So expect that my software may not work too well.