bellbell098 :
you will most likely bottleneck. if you are gaming you only use 2 cores max of 4 sometimes. you have a 8 core processor. my wife has the 4300 which in 2 core gaming would perform the same as yours and has a gtx 660 and her cpu bottlenecks. i have a i7 3770k and a geforce 770. and my i7 is a slight bottleneck. on the other hand if your using a game or program that can utilize your cores and threads properly you will be fine and any bottleneck would be near unnoticeable.
No, he will NOT bottleneck. His would NOT perform like a dual core.
flanders25, don't listen to this guy. He does not understand what a bottleneck is. A bottleneck is when your GPU cannot reach 100%. If he opends MSI afterburner on a demanding game, after playing for a while, he will see that his GPU can reach 100%. Bottlenecks don't start until you move to higher GPU's, and you have something like an i3. If you all want to know what I mean, watch this. http://www.youtube.com/watch?v=DAgpvWc4VBM