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Why does it look like my Dell 8400 has two processors?

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February 11, 2010 12:04:41 PM

When I take a look at performance in the Task Manager, I get a CPU graphs with two graphs of CPU usage. I thought my P4 was just a single processor? Why is does it show two?

More about : dell 8400 processors

a b à CPUs
February 11, 2010 12:07:37 PM

It's called Hyperthreading, Google it.
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February 17, 2010 11:51:42 PM

I understand that it is hyperthreaded, why does it appear as two processors in the Windows Performance Monitor?
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a c 199 à CPUs
February 18, 2010 12:03:07 AM

because to an OS there is no difference between two logical cores on a single CPU, and two physical cores on two separate CPUs, it treats them identically and will therefore show each logical core as if it were its own CPU.
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