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Re: How do I compare CPU speed versus number of cores for performance?
For multitasking, I would go for more cores. The 500MHz difference in
clock cycles would be barely noticeable in speed, but if you have
multiple programs running you can take advantage of the load balancing
across 4 CPU's instead of two. It will be "faster" overall if you have
more cores, even if the individual cores do not have the higher amount of
clock cycles in the two-core configuration.
It boils down to what you mostly do with the computer. For gaming, I'd
rather have two cores (if the game is able to use both at the same time)
running at 3GHz than four running at 2GHz.
For general purpose use, I'd take the four cores so a media center (for
instance) can get it's own core and office applications will not bog-down
(steal CPU cycles) from the media center that you may want to run 24/7.
They who can give up essential liberty to obtain a little temporary safety,
deserve neither liberty nor safety. - Ben Franklin