make sure game internally renders at 4K using the resolution scale. eg at 1080p it should be 2.0, at 1440p it should be 1.5, at 2160p it should be off. game is blurry otherwise.
probably works with other CPUs/mobos too? very stable
Dont forget voltages!
VDDIO / MVDD / MVDDQ: 1.35V
VSOC: 1.25V