Choppy fps gpu/cpu/drivers problem?!

Proxxey

Honorable
Aug 25, 2013
48
1
10,545
This has been going on for quite a while now and it usually happens when i am playing games like WoW/Dota (csgo for example never had this problem).
here is the problem : playing WoW, everything running fine, 100 fps, then suddenly the game runs like it would have <20 fps, even though it shows that it is running at well above 80fps! this is usually corrected by me alt tabbing , waiting 2-3 seconds/refreshing , then alt tabbing back in the game..and then it runs ok again. I can't understand where is this coming from ? cpu/gpu/drivers ?

specs :
mobo : gigabyte ex58-ud3r
gpu: gigabyte 7790 2gb
cpu: i7 920 oc-ed at 3.8ghz
ram: 12gb of some old kingston's
storage : samsung evo 850 500gb
psu: OCZ zs 750w
 

Proxxey

Honorable
Aug 25, 2013
48
1
10,545
addons are up to date, system is very clean ("software hygiene freak")..if so, then drivers should be the problems, i do sometimes get some errors from the catalyst, and i can't even update them because it crashes all the time...only way is to manually use 3rd party software to remove and install the most recent...good grief i HATE amd...i have in store the idea to purchase one of the new nvidia pascal gpus, can't wait to get rid of this one.