Hard disks? PSU?
Human memory is overrated, unfortunately.
Games are also wildly different beasts altogether, and may change depending on circumstances, as some people use Nvidia Experience to adjust their games quality settings automatically. This will of course bring better quality visuals, but the same FPS range.
Make sure you vertical synchronization is set to Fast or G-Sync, whichever applies to your setup.
Could you download CPU-Z, choose the zip version, extract the files into a pre-made folder, then run the x64 version.
Please take screenshots - and crop them if you feel like it - of the CPU, Mainboard, Memory, SPD and Graphics tabs in CPU-Z. Then upload to imgur or any other picture hosting site and link here.
Preferably just links, I don't mind the pictures, but not everyone here has infinite internet. xD
I will be headed to work in about 30 minutes, just FYI.