Question FPS DROPS

Jul 13, 2020
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Hello everyone,
so i bought MSI RTX 2060 SUPER. At the beginning everything was ok high FPS no drops, I was trying playnig Fortnite and I turn on FPS limit on 120 and entire game I had 120 FPS without any drops. But after a while maybe a week or two I bought
Far Cry 4. The game was running good but after a while I noticed some FPS drops. I can even hear from the sound of GPU when game lags the sound of GPU stops or change for a second. I tried play Fortnite again and the FPS were droping even to 40! I have updated drivers to latest version and i dont know anymore why is it like that.
Anybody have some tips or solution ?