I agree. Looking at the Intel web site <http://www.intel.com/products/processor/core2XE/index.htm> that describes the Intel(r) Core™2 Extreme Processor, there's no reference to Apple's advertised "2.8GHz Intel Core 2 Extreme." Information is lacking on the Apple site as well. http://www.apple.com/imac/specs.html More discussion on this here http://forums.hardwarezone.com/showthread.php?t=1690386 Jeff On 8/8/07, Zane H. Healy <healyzh at aracnet.com> wrote: > >Also, is the 2.8 GHz iMac truly using a different processor (Core 2 Duo > >"extreme"), or is it just the same processor running at a faster clockrate? > > I'd really like to know what the **** a 2.8Ghz iMac is using for a > CPU! To the best of my knowledge Intel does not make an Extreme with > those spec's, the closest to what Apple is advertising is the "Intel > Core 2 Extreme Processor X6800" running at 2.93Ghz.