Question Why is my Rx 5700 xt under preforming?

Sep 27, 2019
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I have recently brought a rx 5700xt and I feel like it’s under preforming on fortnite low 1440p I can only get like 220 FPS average and on other game s it choking as well I have looked at I using the software and it only using like 60% of its gpu I don’t have windows installed with product keybut the amd adrenalin drivers are updated.

My pc specs-
Ryzen 7 2700x at normal speed
32gb 2666mhz of Hyperx ram
B450 tomahawk msi
750w cooler master gold
1tb Samsung ssd
Sapphire pulse rx 5700xt
A cooler master case