HDR Gaming Windows 10 vs Windows 11

I heard windows 11 HDR is better but is it really especially in gaming? I don't really care about AutoHDR or some new calibration options. I just want to know If when you turn on HDR and you play games If it looks better, brighter, whatsoever. I've the Samsung G80SD QD-OLED btw. Games like BFV or Startwars Battlefront 2 look already great with HDR in Windows 10. Helldivers 2 or Elden Ring with HDR on look really unimpressive though.