Which one do you guys think is better?
Core 2 Quad Extreme Edition
QX6800($525), QX6800($795), QX6700($400)
Core 2 Quad
Q6600($210), Q6700($280), Q9300($275), Q9450($350), Q9550($621)
*All Prices are Retail
QX6800 is the best performance out of those, but Petey's right that q6600 is the best bang for the buck out of those
its the steping, and when you raise the FSB then it increases temps a little, but not too much, and you have to raise the voltage to keep a stable FSB. wiki it if you want to know details.
so that means that the 65nm are better than 45nm
they have lower FSB and high multiplier