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Is it better to have four times 2 GB or two times 4 GB of RAM?

I am planing to buy a new dell latitude laptop. With 4 GB of RAM size. But On their website there is option to choose the RAM. As following,

  1. 4GB (1x4GB) 1333MHz DDR3 SDRAM
  2. 4GB (2x2GB) 1333MHz DDR3 SDRAM

What factors should I have in mind on deciding from these options? What should be best option to choose in your point?

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marked as duplicate by Nifle, slhck Aug 6 '12 at 9:02

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

While the linked question talks about 2*4 and 4*2 GB, the same reasoning applies, I guess. – slhck Aug 6 '12 at 9:03

Essentially, they let you choose whether you want two 2 GB modules or one 4 GB module. Generally speaking, if you use less modules, your power consumption will be a bit lower, but larger modules tend to be a bit more expensive.

Oh, and of course, choosing a single 4 GB module will leave one memory slot free in case you ever want to expand your RAM.

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I would add that using two modules in dual-channel mode has only marginal influence on the overall system speed and given the ever increasing memory requirements, it might be wiser to go with the one memory module option and later expand the memory to 8 GiB. – Hristo Iliev Aug 6 '12 at 7:54

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