I'm trying to play The Witcher 3 on 3840×2160 Ultra Settings. Game won't go higher than 45 fps even though both CPU and GPU are on <60% usage. Even disabling hairworks and vsync only adds about 3-5 fps. I overclocked my CPU frequency to 5200 MHz and it didn't add a single fps. Specs & benchmark:
UserBenchmarks: Game 114%, Desk 101%, Work 84%
CPU: Intel Core i5-9600K - 118%
GPU: Nvidia GTX 1080 (gaming x) - 123.7%
SSD: Kingston HyperX 3K 240GB - 81.2%
HDD: Samsung HD103SM 1TB - 76.1%
HDD: WD Black 1TB (2013) - 86.3%
RAM: Corsair Vengeance RGB PRO DDR4 3200 C16 2x8GB - 61%
MBD: Asus ROG STRIX Z390-F GAMING
UserBenchmarks: Game 114%, Desk 101%, Work 84%
CPU: Intel Core i5-9600K - 118%
GPU: Nvidia GTX 1080 (gaming x) - 123.7%
SSD: Kingston HyperX 3K 240GB - 81.2%
HDD: Samsung HD103SM 1TB - 76.1%
HDD: WD Black 1TB (2013) - 86.3%
RAM: Corsair Vengeance RGB PRO DDR4 3200 C16 2x8GB - 61%
MBD: Asus ROG STRIX Z390-F GAMING