This pubg optimization guide should help you increase your fps in PUBG. Everyone knows PUBG is far from an optimized game so this guide will help those on any systems squeeze the most performance out of the game. Your mileage may vary, as no one's hardware is the same. Average reported fps boost is between 5 and 15.
Paste this into your launch settings if you have 8gb or more of RAM:
-refresh 144-maxMem=13000-malloc=system-USEALLAVAILABLECORES-sm4
Paste this into your launch settings if you less then 8gb of RAM:
-refresh 144-lowmemory-malloc=system-USEALLAVAILABLECORES-sm4
Credits:
Thanks to Slid3 for thumbnail art used with permission in the video.
Music:
Deepblue, Bensound
Creative common (attribution) License