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1x4gb or 2x2gb

post #1 of 6
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i was wondering if thier would be a preformace diffrence in if i use 1 4gb ddr3 or 2 2gb ddr3
post #2 of 6
2 sticks of ram will allow you to run in dual-channel mode, which will improve bandwidth.
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post #3 of 6
Well, 2 sticks will give you dual channel which, theoretically, doubles bandwith. Yopu'll see an improvement, even tho it'll not be "doubled"
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post #4 of 6
Runing in dual or tripple channel will net a small gain...you'll see about a 5-10% increase in a benchmark. Realworld? you probably won't really notice it. Perhaps if you really watched for it.

With one stick you might be able to OC a little more since there is less work load on the memory controller. even an extra 100MHz would probably be better than dual channel memory. Though that would really depend on your usage...and if you could OC more at all

Though I will always get a dual channel kit of memory over one stick unless it is for a media machine or something along those lines...just natual habbit by now
Edited by Vagrant Storm - 9/2/11 at 10:18am
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post #5 of 6
2x2 gb. Dual Channel is better than single channel
    
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post #6 of 6
For no difference in cost you get a very beneficial bandwidth boost with dual channel - in the newest platforms such as the Socket FM1 APU, this may be more than necessary. 2x2GB is the best choice.

IMC on AMD typically don't get hold back from OC until with 3 DIMMs or 4 DIMMs. The newest revision IMCs are tanks too, my x6 hits 4Ghz on 4 DIMMs of 1600Mhz.
Dual channel memory will make a lot more benefit than 100Mhz on the CPU. The extra bandwidth can result in more "snappiness" and be very beneficial to certain apps involving lots of memory storage & usage such as video editing, whereas 100Mhz on the CPU usually doesn't make any difference all-around.

Triple channel on the other hand has been shown to provide little to no benefit because the benefit of dual channel architecture already provides more than enough bandwidth. True, Intel has gone to using an overkill application of quad channel on the LGA2011 platform, however this will be beneficial only for servers/applications that will be using this platform for the extra bandwidth - and in addition, desktop/client CPUs for this platform will cost no less than $500 (correct me if this is wrong).
Edited by xd_1771 - 9/2/11 at 2:11pm
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