Before starting tweaking, I was having around 60FPS with drops way bellow. Now my FPS is between 80 to 120 FPS. If you are using Ryzen 2nd gen CPU I highly suggest start looking into
Also don't forget to install the drivers for your AMD chipset, I found them on the drivers page of my motherboard.
Theses are little things that will each give you performance increase, as you see you don't even need a super expensive GPU to run this game well. I know people who have rigs that coast 2x the price with lesser performance. Focus on optimising the most you can especialy your CPU/Ram.