Question Low memory usage in games

[NasaKun483]

Ive noticed for a while now that im getting lower fps in games such as fortnite and ive tride several things already but after looking at task manager i realized my game is never using more than 4gb of ram despite my system having 32gb total.

 

[Fatblabs]

Ive noticed for a while now that im getting lower fps in games such as fortnite and ive tride several things already but after looking at task manager i realized my game is never using more than 4gb of ram despite my system having 32gb total.

what is the rated speed of the ram

 

[Fatblabs]

Ive noticed for a while now that im getting lower fps in games such as fortnite and ive tride several things already but after looking at task manager i realized my game is never using more than 4gb of ram despite my system having 32gb total.

Full specs, and how much fps