Low video memory after fresh install macOS Big Sur

Low video memory after fresh install macOS Big Sur

Hi. Recently I decided to update my mac version and opencore as well. So I decided to do a fresh install instead of updating.

So when I installed it, I figured out that GPU is not working very well. It has all time and the system is so slow! It's weird because I'm using the same `DeviceProperties` settings as I had before and even I had macOS Big Sur before I do fresh install. `DeviceProperties` settings didn't have any changes since the last version opencore that I've been using they are pretty same but I'm not sure why this time it's happening to my GPU and I tried to re-install and I'm getting same result.

There is something weird when I'm looking at the system info, screenshot below:

Video Memory is set to 18MB!

It's weird because I'm using same `DeviceProperties` as I had before, but it's not working very well this time which it was working pretty well last time. And even video memory is set to 18MB which I don't remember this on the previous hackintosh that I've had.

Here is my DeviceProperties setting:

https://preview.redd.it/etlwyxg64e571.png?width=601&format=png&auto=webp&s=a635c31c1bb049420c945dae85aa0ed1242bf5a9

Would you please help me what can I do to fix this issue?
System Information:CPU: Core i5 Coffe lakeBoard: Gigabyte Z390

submitted by /u/elbrok
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