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6GB DDR3 1333MHz vs 4GB DDR3 1600MHz

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November 21, 2010 8:49:03 PM

Hey, sorry if this question has been asked before. I have 4GB of G.Skill ripjaws at 1600mhz and was wondering if I should mix them with my 1333MHz 2GB stick and run all the ram at 1333 for 6GB, or just take out my 2GB and run with 4GB of 1600mhz. What do you guys think would result in better performance? Also I am running windows 7 ultimate x64bit, so there is no memory cap.

More about : 6gb ddr3 1333mhz 4gb ddr3 1600mhz

a b } Memory
November 21, 2010 10:44:49 PM

I would just run with 4GB at DDR3 1600. It keeps you 1) running dual-channel and 2) from mixing memory. Though you can mix memory, I tend to recommend to avoid doing so if possible to decrease the potential risk of BSOD for them "not playing nice with each other".
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November 22, 2010 12:12:04 AM

Okay thanks for the quick reply i'll take your word for it. I figure that will be a good idea regardless because I plan on ordering a second kit in about 2 weeks so that'l work out.
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a c 347 } Memory
November 22, 2010 3:48:00 PM

Mix-Match is a bad idea, and the memory needs 'should' be installed in pairs.

At best mixing you only get the WORST of each.

1600 9-9-9-24 @ 1.6V ; often 1600 rated also has lower CAS at lower speeds.
1333 7-7-7-25 @ 1.5V
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1333 9-9-9-25 @ 1.55V ; so the s-l-o-w-e-s-t wins - IF it will work. Review your Manual 9/10 it states 'PAIRS'.

^+1 @ tecmo34
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December 1, 2010 11:53:48 PM

Best answer selected by jjp2010.
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