What about Dual Celerons?
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Dear CPU Scorekeeper

I am thinking to buy dual Celeron processors (2x 500 MHz) and I would like to know if it is a better choice than an Intel PIII 500 MHz?

My friend has an Intel PIII 500 MHz and he said that I will not be able to use both processors for all applications on Win2000. He said too, that it is a better choice to buy an Intel Pentium III 500 because there are only a few applications in Windows 2000 that support dual processors.

Is this true? Are dual Celerons at 500 MHz faster than a Pentium III 500 MHz and what applications will support dual processors in Windows2000?

I think that all applications will use both Celeron 500 processors on Windows 2000.

- - Goran, February 2000

See the questionCPU Scorekeeper Responds

As dual processors go, Celerons are not the most efficient CPU's to run in a SMP (Symmetric Multi-Processing) configuration. They were never intended for this purpose, but can be made to run side-by-side with a bit of hammering and sawing. Pentium-III's and Xeons are actually built with this capability.

As an economic SMP solution, however, a dual Celeron system may provide the performance you need. You are correct in that Windows2000 Professional will support up to 2 processors. While some multi-threaded applications may be able to make better use of two processors than others, you should still see a noticeable (50-80%) increase in overall speed over a single Celeron system.

Estimating from our CPU Comparator, dual Celerons @ 500MHz should perform roughly equivalent to a single Pentium-III @ 750MHz. Whether this is a better choice than a Pentium-III @ 500MHz is for your budget to decide.

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