[X4U] Xeon versus Pentium D in Desktops Question

[Kelly Harding]

> 
> Anyone know the reason Apple used Xeons (woodcrest) in the Desktops rather
> than Pentium D 940's?

The new Xeons are effectively Intel's high end version of the Core 2 Duo 
processors. They've more in common with
the Pentium-M than with the Pentium D's.

The Pentium D cpus are two Pentium 4 'Prescott' cores on one chip. These 
have long pipelines, run hot etc and are only
effective at very high clock speeds really.

Core 2 is the future direction, Pentium 4 is likely to be ditched 
quietly I suspect, as the Core range of cpus just run rings around it.

Kelly
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