Question RX570 bouncing gpu usage help

[cetor]

My rx570 4gb usage is bouncing both in Windows and ingame. This Picture is from ingame. What causes this? It is not overclocked. It is paired With a ryzen 1400 cpu

https://ibb.co/Vqxzs7t

 

[helpstar]

run userbenchmark.com and post the http link of your result, e.g. https://www.userbenchmark.com/UserRun/28977730

 

[cetor]

UserBenchmarks: Game 48%, Desk 69%, Work 50%
CPU: AMD Ryzen 5 1400 - 71.6%
GPU: AMD RX 570 - 48.3%
SSD: Samsung 850 Evo 250GB - 109%
RAM: Corsair Vengeance LPX DDR4 2400 C16 2x4GB - 81%
MBD: Asus PRIME B350-PLUS