I found the issue. It seems like this drop in FPS happens when the laptop is on battery instead of plug in power. The drop in FPS/UPS does not happen when the power is plugged in even when autosave. So, this is my laptop settings on power management of both nvidia and windows10. Thank you for your ...

I have tried out settings as suggested by posila. The FPS/UPS do still drop but not so as often as previously seen. I notice that the FPS/UPS drop always happens after autosave happens. After 1 to 2 minutes then it recovered. I had set nvidia preferred processor to "nvidia high performance processor ...

Thanks posila and Loewchen for the reply. Let me try out the suggestions by posila and see any improvements or not. I will update again on the status. Thank you for your time.

Hi posila,

Thank you for the reply. Attached is the log file. Could you please help to take a look whether it is running with Intel GPU?

Thank you for your time.

Hi,

I am playing Factorio with my laptop(Win10-64 bit,NVIDIA GTX960M). The game is played without any mods. Very often the FPS/UPS drop during the game. Images below are my screenshot with debug F5 turned on.

Could you please help to let me know whether this is graphic card issue or some known ...