CPU-Z will tell you the core.
I don't see any reason to upgrade, the performance gain you'll notice will most likely be minimal. In short, you most likely won't notice any difference. All games today are far more GPU dependant than CPU dependant.
I don't see any reason to upgrade, the performance gain you'll notice will most likely be minimal. In short, you most likely won't notice any difference. All games today are far more GPU dependant than CPU dependant.