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RX 580 Running slower in Catalina/GPU history

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Joined
Apr 1, 2020
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15
Motherboard
ga-z77-ds3h
CPU
i5 3570K
Graphics
Sapphire Rx 580
Mac
  1. iMac
I just came from Mojave to Catalina and when I exported through davinci resolve, the gpu history was maxed out and it was faster. Now it is only showing at about 1/3 usage and is significantly slower. I've been looking at my config.plist and it all seems normal (at least from my older builds) who knows maybe I have been post installing wrong? But either way they've always worked stable. I mean it's a z77, it might as well be sold by apple haha.

Specs in profile but if it's easier:
GA-Z77-Ds3h
i5 3570k
rx 580
24GB Corsair vengance 1600Mhz
Samsung 850 EVO 500GB OS drive
Seagate Ironwolf 8TB

Attached files are config.plist and L/E and zip file of EFI
This thing was plug and play with mojave and same with catalina. Now it's underpreforming. Also for some reson geekbench read Ram as 800Mhz but I changed xmpdetection to YES. We'll see at reboot I guess..
 

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  • config.plist
    5.7 KB · Views: 51
  • Screen Shot 2020-07-05 at 1.29.02 AM.png
    Screen Shot 2020-07-05 at 1.29.02 AM.png
    887.8 KB · Views: 32
  • EFI.zip
    4.4 MB · Views: 29
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