Nothing wrong with that setup, besides being intel (Joking of course 9900K is a good chip) at 1080p you should be hitting the 200fps cap all day with around 45% total gpu load. damn the situation is worse on Amd still, but even so that's concerning. Im assuming your not running supersampled at 200% res?, but even then thats only 4K. 3090 was built for 8K @ 30-60 from what i understand.