Low GPU and CPU usage (cpu 20% and gpu 15%) but im getting fps drops / low fps overall

So does anyone have a solution for this? I have my FPS capped at 144, but im getting around 100 and in teamfights or somewhere with lots of stuff going on im getting around 80 fps. My specs are I7-4790k OCd to 4.5 and gtx 1080 strix. Thanks.

We're testing a new feature that gives the option to view discussion comments in chronological order. Some testers have pointed out situations in which they feel a linear view could be helpful, so we'd like see how you guys make use of it.

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