ram bottleneck

Hello guys, last year i upgraded my PC by changing the GPU and the Motherboard, as the old one was stuck on old Bios Verssion to run my GPU but that's another story, i wasn't quite satisfied with the performance in some games i saw that FPS was good but there were stutters on a lot of games...

I Have The Following Hardware: Motherboard =MSI H97 Gaming 3 CPU =I7-4790(Non K) 3.60Ghz Turbo 4.00Ghz Ram =1 x 8GB Corsair 1600 Mhz DDR 3 PSU =Corsair CS750M I'm Using 1080p Monitor I Want To Take A RTX 2060 But I Had And I7 4th Gen CPU...

I have a computer with: Ryzen 7 1800X 3.95GHz XFX RX 590 X470 Aorus Gaming Ultra 2 x 8GB Corsair Vengeance RGB Pro 3200 (OC 3400MHz) 2TB Seagate HDD 7200 RPM 240GB Kingston SSD When I'm doing heavy projects in After Effects I would have a lot of layers on screen being animated, and my computer...