Intel hyper-thraading technology, does That it is responsible for running more tune 1 application. If you have iTunes that uses one core tune you switch playing to walking dead new Frontier. So that activates 2 of your remaining cpu cores for that game. all background tasks like windows update must use 1 cpu core for basic computer tasks. this will cause less stress on your laptop and prevent major slow downs of what you are doing or over heat at the port it will force shot down your computer. on Pentium, Celeron & certain i3 processors. architecture=configuration limitation issues