Is this really a Quad core CPU?
http://www.canadacomputers.com/index.php?do=ShowProduct&cmd=pd&pid=012505&cid=CPU.84
http://www.canadacomputers.com/index.php?do=ShowProduct&cmd=pd&pid=012505&cid=CPU.84
You think wrong. The cache is the same on all Core2 Quads, 2x4MB. The difference is the frequency. Also the QX6700 and QX6800 have a fully unlocked multiplier, which makes overclocking easier.the difference between this chip and the 67 or 6800 anyway is the size of the cache I think.