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Does the speed of the computer depend on cores?

Updated: 8/18/2019
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13y ago

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The number of processor cores are more like a speed multiplier. So the answer is:

Yes, when software is designed only for multi core processors or running more then one program.

No, when it is a single program and that software is designed to work on a single core processor.

If you had only one program running the number of cores would not affect the speed that program ran. This is because only one processor core is used for a single piece of software unless that software is design only to be used on a multi core processor. The number of processor cores increases the speed of a system when the processor is multitasking. The number of cores allow you to run a equal number of programs at the processors speed without sharing the processors resource's.

Examples:

  1. If you use a Quad core 3 Ghz processor; you could run 4 programs at the same time and each would run 3 GHz without the processor switching between programs. So the result is 12 GHz of processing being handled at one time.
  2. If you use a Quad core 3 GHz processor while you ran only 1 program and it was not designed for multi core. The result would be only 3 GHz of processing being handled.
  3. If you use a Quad core 3 Ghz processor; you could run more then 4 programs at the same time. The maximum processing being handled would still be no more then 12 GHz.
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