OpenCore has low res and has some input lag

As the title says, I've installed macOS Big Sur succesfully on my build i5-4570s 8GB DDR3 Ram Sapphire AMD Radeon RX 460 500GB HDD
The only problem is that the boot menu feels slow(low res + input lag), after I select macOS it goes to gray logo white background loading screen,
after like 5-10 seconds it goes to the white logo black background but this time it goes to full resolution and it feels snappy.
This is my OC folder https://drive.google.com/file/d/18WpABOidtBPFFHvUOHM9u0zH-VG-s5Su/view?usp=sharing

Thanks beforehand.

submitted by /u/nitix007
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