QD Oled 4K Matte or Tandem WOled 2K Glossy (4K Grain vs 2K Grainless)

Samsung G81SF vs Asus XG27AQWMG

I can get the Samsung for about 50USD more only. Will the 4K res offset the grainyness of the Samsung display when compared to the 2K without grain in terms of picture clarity?