Im buying if ffom someone and thats the cpu cooling hes using.. i guess i will do oc to the cpu but not to the gpu.. will it really show diffeence in gane like pubg? How much fps improvment if i will boost it to 3.9..?
And yes im playing rn on 1080p
If the CPU is not the bottleneck in PUBG then a cpu overclock will likely do little to nothing for performance in PUBG. What is your CPU and GPU usage when playing PUBG?
If the CPU is a bottleneck because it's lightly threaded, then overclocking the CPU will help a lot. Raising the clock, and thus the IPC of the cores would alleviate it.
Use HW Info or HW Monitor to monitor your CPU / GPU usage.