Quote Originally Posted by donmarkoni View Post
There is no tool for it, as it is always turned on, unless using modified BIOS.

If you use GPU-Z to turn it off, know that it's turned back on again after every restart.

You can see the difference in Furmark score with and without OPC, and also you can see higher power draw if you have some kind of power meter.
Does it affect or reduce performance in games or other benchmarks life Heaven v2.5 ?