Improving iGPU performance (z390 designare TB3)

hey guys
I got Opencore + iGPU work on Z390 Designare (using TB3) the performance is a bit lackluster - works fine on a 2K monitor, but if I up the resolution It becomes somewhat choppy. I see that OSX recognizes the display as running at 4k@60hz. I just compared with dGPU (RX570 4GB) and dGPU is noticeably smoother.

I am not doing any graphics-intensive work and I want to get rid of this AMD dGPU completely. Any way I can bump the performance of iGPU? Increase its memory for example (I have 32GB ram but can add another 32GB if that helps)

thank you

submitted by /u/myreptilianbrain
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