I believe the devs made a post after 10.1 released about how v 10 is not optimized and they are working on it now
Edit: Here is the part of the dev post that I am referring to.
"A focus of our work in these past 3 weeks has been performance of the game. Particular problem areas identified were...
Strange, I have a I3 6100 and 1050ti and I usually never dip below 40 FPS, except on like Basrah. Clearing out my SSD did help but seems that isn't your issue. I have DDR4 ram but I doubt that's what is causing it. What settings are you running?