Performance issues (FPS Stuttering/Hitching)

Hey all.

I have some performance issues when playing. I've tried everything from reformatting windows, disabling/enabling different stuff and I have googled and tried almost everything I've found. I installed Red Orchestra 2 a few days ago to see if the problem is present in that game as well, and yes it is.

While moving, the game "hitch" or stutter. I move, everything is smooth then 0.1 stutter, smooth, 0.1 stutter etc. The frequency seems to vary. This is easily tested by spectacting and moving the camera around. I launched a game without bots in Red Orchestra 2 and it was fine, then with 64 bots and the hitching was present.

I noticed that CPU Usage is 100% while GPU Usage is 30-40% in Red Orchestra 2.

I have a 1070 GTX, i7700k 4.5ghz, SSD, 16GB Ram. CPU and GPU temperatures are normal.

This issue is not present while playing Dishonored 2, ARMA 3 and very rarely in BF1.

Performance issues (FPS Stuttering/Hitching)