why am i lagging with gtx 1080, core i5 and 8 gb ram

[flemming]

i have a gtx 1060, core i5, 8gb ram. when i play rust i normal play with 130 fps but randomly it just drops to 1fps for 5 seconds and goes back up to 130. plss help me the computer is about 8 months old only so i dont understand why i am lagging

[Stoner Jezus]

on how many % is your cpu running?
Using an I5 gives your gpu a bottleneck, what means that you get instability and not the maximum performance as you should expect of your GPU.