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There should be no significant measurable difference.
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There should be no significant measurable difference.

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4 slots of available memory, considering upgrading to more. &nbsp;have 4GB max. Windows XP. &nbsp;May only upgrade to 2 x1GB sticks. &nbsp;Just wondering what you all think?
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4 slots of available memory, considering upgrading to more.  have 4GB max. Windows XP.  May only upgrade to 2 x1GB sticks.  Just wondering what you all think?

What is faster 2 2GB sticks of RAM or 4 1GB sticks of RAM?

Components are those devices that are internal to a computer -- the PC boards, the central processor (CPU), the memory (RAM), disk and video controllers and so on.