I have often used the P3D Recording/Playback function to carry out benchmark comparisons between hardware changes and overclocks. I'd use FRAPS to display FPS and ShadowPlay to make a video of the recorded playback and compare them side by side to see if there was any observable difference with 2 different Graphics cards for example. However I've just being doing that very thing for the first time in a while and I noticed that the FPS is substantially different while recording than it