(2 x 4 GB) vs (1x8GB) RAM

anbu7elite · Nov 16, 2013

I was just wondering wouldn't it be cheaper to just purchase the (1x8GB) RAM instead of the usual (2 x 4 GB) RAM, for example, http://www.amazon.com/Corsair-Vengeance-Desktop-Memory-CMZ8GX3M1A1600C10/dp/B005T63BJM/ref=cm_cr_pr_product_top

vs

http://www.amazon.com/Corsair-Vengeance-240-Pin-Platforms-CMZ8GX3M2A1600C9/dp/B004CRSM4I/ref=sr_1_1?s=electronics&ie=UTF8&qid=1384584920&sr=1-1&keywords=corsair+vengeance+8gb
Does it still work and perform the same?

neon neophyte · Nov 16, 2013

ram runs in something called dual channel, which uses the channels from 2 banks of ram in order to speed the ram up quite a bit.

you need 2 sticks of ram to run in dual channel mode.

2x4b · Nov 16, 2013

Typically, though not always, it is cheaper to buy the 2 x 4GB set.
A system that has a dual channel memory controller will function more efficiently using a 2x4Gb set; however, a single 8GB module will work with no problems at all.

Those two URL's that you have listed show different specifications. Although they both have a clock speed of 1600MHz, one is CAS9, and the other is CAS10. The CAS9 memory is faster and generally more expensive, so the two are not exactly comparable.

Tradesman1 · Nov 16, 2013

Dual channel can provide up to a 10-15% increase in DRAM performance - in single channel the DRAM acts as a 64 Device - which it is - in dual channel DRAM becomes a 128 bit device as it appears to the rest of your rig

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(2 x 4 GB) vs (1x8GB) RAM

anbu7elite

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2x4b

neon neophyte

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2x4b

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Tradesman1

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