XFX Rx590 low performance

paganin

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AMD OS X Member
Joined
May 2, 2020
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5
Hello guys

I’m trying to make a full install of catalina but I’m kinda stuck at the graphics. All works with the opencore guide (after 1 week I could completely install) but rx it’s laggy and geekbench gives about 25% of its proper characteristics.
Have imacpro1,1 smbios, whatevergreen and lilu updated but no way it improves.
Edit: have powercolor bios cause xfx bios its not compatible.
 

alexcher

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May 5, 2020
Messages
10
I have the same card and I also done the powercolor bios flash and it works awesome! are you sure that the bios update went well?
 

marsb007

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May 2, 2020
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23
Use the RadeonBoost.kext. Should increase your performance slightly.
 

paganin

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AMD OS X Member
Joined
May 2, 2020
Messages
5
I have the same card and I also done the powercolor bios flash and it works awesome! are you sure that the bios update went well?

Which bios did you choose? I recently flash into another PowerColor bios and it still gives me about 13k less points than windows...

Use the RadeonBoost.kext. Should increase your performance slightly.

The performance of this card is not bad, but I would like to have it working as smooth as it is at windows, or, at least, the most identical.

Will give another try.
 
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