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Message: <blockquote data-quote="unknownk" data-source="post: 4552274" data-attributes="member: 179585">Well processer clock speed has little to do with the speed. The actual processor speed is mesuered with MIPS (million instructions per second). Actually doubling the clock speed wont double your speed. it would give abt 17% of upgrade but no more.But here one processor has 530 bus speed and other has 800 bus speed. Obviously 800 bus speed will perform well. the main difference in celoron processors are they have less cache. Unlike normal RAM cache memory is expensive. Cache helps to store more information "INSIDE" the processor on large processing. otherwise getting the information allthe way from RAM would cost more and no matter what the processor speed is processor has to wait for information. Thats why it is said celoron is good for basic apps.Running php loop cannot be considered as a good benchmarking to select best processor. Because the processors are not "stressed" enough. maybe try sorting algorithem. Looping are really straightfoward and doesnt revel anything.</blockquote>

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