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Is Going from 4GB to 8GB Worth Drop from 1T to 2T?

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  • Memory
  • RAM
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Last response: in Memory
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June 25, 2011 6:34:31 PM

http://www.crucial.com/store/partspecs.aspx?IMODULE=BL2...


That is my RAM. DDR3-1333. 2 x 2GB ran at 1T command rate, but going to 4 x2GB drops the command rate to 2T. I have read that one losses bandwidth when dropping to 2T. Do I recover that loss with the increased amount of RAM? Was I better off with 4GB at 1T?

CPU 955 X4
MOBO m5a88v-evo

No overclocking

More about : 4gb 8gb worth drop

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a c 347 } Memory
June 25, 2011 7:06:14 PM

Don't get single sticks to create a pseudo Matched Set. You ASUS M5A88-V EVO can be touchy enough with some matched kits.

That said, the diffidence between 1T and 2T is more about stability than reducing any real bandwidth. On OLDER DDR 2 bit (prefetch buffer) and maybe DDR2 4 bit RAM there was a more noticeable difference, but DDR3 8 bit it's minimal at best. A bench like Super PI might barely notice the differences. Further, most all DDR3 1600 MHz or faster RAM is 2T.
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June 25, 2011 8:00:26 PM

My original RAM was a matched set. That link is just to a single of the one of the pairs. The second set of RAM is also Crucial. Same voltage, latency, chip layout, etc
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July 2, 2011 12:22:36 AM

Best answer selected by squick3n.
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