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Really bad performance from 390x after motherboard swap

I am having an issue with graphics performance and I'm not sure what it could be.

my motherboard died recently and i had to downgrade from an h97 to a b85 as that was the only thing that existed in my area with an 1150 socket. Now I can't even get 30 fps in tomb raider on ultra and am getting under 20 in gears of war 4 on the recommended settings(high/ultra) at 1080p. I have reinstalled windows as well as multiple reinstalls of the drivers for the card. I have been trying to fix this for days now and have not made any progress.

my build is

cpu: 4790k (i know, overkill but it was a gift)
mobo: asus b85m-g r2.0
gpu: msi gaming r9 390x
ram: 16 GB hyper x
SSD: intel 335 series 240GB

Any help would be appreciated.

Thanks.
3 answers Last reply Best Answer
More about bad performance 390x motherboard swap
  1. Did you reinstall windows and all the Motherbds' Drivers?
  2. Try updating your bios as well as that chipset didn't natively support that CPU. May help some
  3. Best answer
    It was a memory clock bug. I had to turn off one of my monitors and im back to getting 60 fps! thanks for the help everyone
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