Does Ram Affect Fps. If you want to play your favorite games at maximum settings, those games. During gameplay, temporary files need to be frequently stored.
To put things in perspective, it's the CPU and GPU which the effects FPS the most and RAM in the last. To a certain extent, RAM does affect FPS or even improves FPS, which is more true for laptops with integrated graphics or AMD CPU. The only thing adding more ram will likely affect is the loading time between areas of the game.
As for OCing the RAM can effect the CPU(if the OC is ran in sync with CPU clock).
Your RAM isn't going to affect your processor's speed or the transfer rate of your storage drives.
Let's take an example so it will be more clear to you. Does More RAM Mean More FPS? The more ram you have the more areas that can be kept FPS is very tightly linked to the performance of your video card above any other factor, using a laptop you do not have many options for improving that.