- Aug 27, 2011
- GB Z490 Vision D
- i9-10850K OC @ 5.2 GHz
- Mobile Phone
Should I try different SMBIOS? Currently, I am on iMac15,1 should I switch to iMac14.1?
iMac15,1 is the best SMBIOS to use on a Z97 Mobo + i7 4790K.
Should I try a different PCI slot?
It's certainly worth a try.
Could it be just a faulty or maybe not compatible RX 580 card?
The AMD RX 580 is a very stable and compatible dGPU, it's probably the most widely used dGPU in the hackintosh world. I've never come across the micro stutter issue that your experiencing. Lilu and WEG should take care of configuring it.
Make sure that the dGPU is running with native dGPU power management (AGPM), see this guide for more info :-
macOS (nearly) Native Discrete GPU Power Management Native macOS discrete graphics power management delivers the best combination of graphics performance and efficiency. AppleGraphicsPowerManagement.kext is not natively supported on non native hardware (except, iMacPro1,1/Vega). A graphics card...