So :
for me the fix was to go into nvidia control panel, chose eqgame.exe and set max FPS to 60 , instead of have it automatically set, which hard capped the game at 35 fps :
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Additionally :
- renamed the eqclient.ini
- using wineq2 affinity set to 1
- removed windows defender
I still get some very harsh FPS drops when im in WL and it's raining for instance, i'll try further tweaks and see what works.