Question RX 580 8GB GPU USAGE 100% TO 0%

[SquishyXZ]

Hi,people,i Have a problem with my rx 580 8gb,that is very annoying,When i play games like Devil May Cry 5 i had gpu usage drops from 100% to 0% this causes the game freezes for like 1-5seconds.
My Specs are:
I3 9100F 3,6GHZ(NOT OC)
RX 580 8GB
WD 1TB
Thermaltake 500w
Ram crucial ballistix 1x8 2666mhz
h310cm-hdv

 

[Metal Messiah.]

Thermaltake 500w

List the exact MODEL number of this TK PSU.

 

[SquishyXZ]

https://www.thermaltake.com/smart-500w.html