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1x4gb vs 2x2gb RAM

post #1 of 6
Thread Starter 
i was looking for 4gb ram for my other rig, i have 2 ram slots only on my mobo and i need to find a set of ram.

My question: will a single stick of ram (1x4gb) run slower than (2x2gb) in dual channel?


thanks
post #2 of 6
2x2 should allow better latencies but you selected cas9 sticks...and of course 1 stick will be single channel so performance will be weaker.
I'd shoot for a lower cas pair of sticks
OK so i'm wrong!
these seem a better deal at around the same price:
http://www.scan.co.uk/products/4gb-corsair-ddr3-xms3-pc3-12800-(1600)-non-ecc-unbuffered-cas-7-8-7-20-xmp-165v
Edited by MightyMission - 8/25/11 at 4:24am
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post #3 of 6
Thread Starter 
Quote:
Originally Posted by MightyMission;14706817 
2x2 should allow better latencies but you selected cas9 sticks...and of course 1 stick will be single channel so performance will be weaker.
I'd shoot for a lower cas pair of sticks

thats
the lower and cheaper timing sticks i could find
post #4 of 6
Thread Starter 
btw i am looking from this site
post #5 of 6
Thats cheaper and the frequency is lower,but what are you mainly using the other rig for?
If it's not overclocking i dont suppose you would need the extra frequency of the 1600 sticks.

I was looking around the site as i need some good ddr2,and it seems expensive for the older ram there,but overall the prices there seem reasonable.
Edited by MightyMission - 8/25/11 at 4:29am
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post #6 of 6
1600Mhz CL9 provides performance similar to/slightly better than 1333 CL7, as it is at the sweet spot for AMD memory performance/bandwidth.
Going down to single channel memory would be unwise. Going with a 2x2GB generic 1333Mhz CL9 DDR3 kit - at lower cost - would actually be better than going with a single channel 1600Mhz DIMM, in terms of memory performance.
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