Is there a large enough performance gain for me to pay $60 for another 8GB of RAM? (I live in NZ so PC parts are more expensive). My current setup is at i5 4690K @ 4GHZ and a GTX 970 with a +200MHZ overclock. I am running it on a 2560x1080 ultrawide display. Will other games require me to have 16GB of ram? Is it worth upgrading? I plan to be running skype at the same time most of the time. Thanks!