Sandstorm insurgency, and PUBG will pause for 1 or 2 seconds intermittently, sometimes every 20 seconds sometimes no issue for days. Games like rocket league have no issue.
8700k, asus z370g
16gb ddr4 3000
4x850 evo ssd raid 0
2070 super
Evga clc 280 all in one
Windows 10
1440@144hz and 4k@60hz
Ive changed out ram, different hard drive (with no raid), different gpu, different psu, formatted like 6 times at this point. Used ddu to remove windows nvidia driver and installed nvidias
I started an rma on the cpu, but might get push back as the cpu is passing their tests. Also its gone 60mins on prime95 in avx and non avx tests with no issues.
Sounds like overheating and therefor thermal throttling.
Could run hwinfo in the background or on a second monitor (or TV) and watch what happens.
HWinfo guide
Look for the suspect values like clocks and temperatures, rightclick and select “show graph”, that way you can tab out and see what happened in the past few seconds at a glance.