Guild Wars 2

I have made my awesome PC and now that i play Guild Wars i feel really bad cause of its performance. I mean for gods sake I didnt know that i ought to have an Intel to play descently! My rig:

990 FXA gd 65 MSi
8350 FX 8 cores @ 4 ghz
4×4gb crusial ballistix elite ram
Corsair VS 650 PSU
r7 370 Sapphire 2gb
Corsair h80 Hydro cooling
SSD kingstone fury x

I usually have lower fps than expected and i have huge fps drops all of a sudden while playing solo on a map with no people while turning camera etc. I can get from 60 to 12 fps in 1 second. Except from that i must always have shadows on low and character model limit on lowest to have descent fps or else it takes a dive. The Antializing settings doesnt seem to work at all. Even if i turn them off or put them on max nothing really seems to change neither on graphics nor on the performance. I am using the latest drivers from AMD + the hotfix distributed by them, and windows 10.
What have i done:
Disabled all power savings from the pc and have my cpu on a stable speed.
Disabled CPU parking from windows 10
Tweaked windows for maximum gaming performance even removed stock apps and store.
Completely deleted windows update function.

I dont know what else to do to have a stable gameplay. Today i went to wyvern on Verdant brink and i had like 20 fps!!!! 20!!!!! for gods sake help me!!!!!! i had to turn settings to maximum performance to have 35 fps!! cant even do a boss descently

You’re not supposed to get 12 fps,at all..I used to own a FX 8120 at 4.6ghz and i ran the game Maxed where my Lowest fps was 25 in HEAVY 60-60-60 wvw blob fights.

It’s something with the last update they pushed, from what I’m gathering in the other posts with the exact issue you are having. I have the problem as well. Hope it gets addressed sooner rather than later.