> > > I thought the extreme editions also had 2x the cache memory as well > > > > You're thinking of the Quad Core extremes. > > No. According to my research, the Core 2 Duo Extremes had 12 MB cache. They are just > like the E8600 you are talking about, with higher clock rates and twice the cache - > hence likely to be faster.
I have a Core 2 Extreme X9000 on my Dragon. CPU-Z shows the L2 cache as 6MB (L1 is 2 X 32K each for data and instruction). It is clocked at 2.8GHz.