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Memory i5-760 with 1600MHz DDR3

Discussion in 'Hardware' started by eddtox, 18 Dec 2010.

  1. eddtox

    eddtox Homo Interneticus

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    Noob question: What speed should I run my RAM at and what are the pros/cons of the various options. My hardware is

    Intel Core i5-760
    Gigabyte GA-P55M-UD2
    12GB (2x4+2x2) Corsair XMS3 1600MHz DDR3 9-9-9-24
     
  2. Pete J

    Pete J Employed scum

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    Depends whether you're overclocking your CPU or not. If not, just set the memory to what its rated at and be happy!
     
  3. eddtox

    eddtox Homo Interneticus

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    The main reason I ask is that the i5-760 is rated for 1333MHz RAM, although from googling (and personal experience) it doesn't seem to mind running it at 1600MHz. I just wanted to know if there are any big pros/cons I need to be aware of.

    I'm not overclocking atm, but I might do in the future (I chose the spec with that option in mind)
     
  4. Fingers66

    Fingers66 Kiwi in London

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    It is unlikely that you would notice the difference between your RAM at 1333 and 1600 in anything apart from benches.

    That said, when overclocking, 1600 RAM can give you a bit more flexibilty - e.g. if your memory divider means that you have to run the RAM at say 1580 (number pulled out of the air).
     
  5. Deders

    Deders Modder

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    unless your bios gives you the option to run memory at 1600, then the only way to reach these speeds is by overlocking
     
  6. Pete J

    Pete J Employed scum

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    It's more what the motherboard is rated to do. I 'think' that all motherboards that can take a 760 are supposed to be able to support a minimum of 1333MHz (just a guess).

    Pros and cons:

    Pros are that you get more performance, though as Fingers says you'll probably not notice the difference unless you're doing heavy computational stuff.

    Cons? Absolutely none if you keep your memory within its rated spec.
     
  7. eddtox

    eddtox Homo Interneticus

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    Thanks a lot for the replies. I think I will continue to run them at 1600.

    The memory modules support XMP and I can select XMP in the bios, which runs them at 1600. I'm not sure if that classes as overclocking or not :p
     
  8. Deders

    Deders Modder

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    check what your bclk is running at when you turn XPM on, most mobo's will raise it from 133 to 160 for 1600mhz, which will overclock your processor to 3360 +turbo
     
  9. favst89

    favst89 What's a Dremel?

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    On my ga-p55a-ud3 when I used xmp it over clocked the base clock to 160 and reduced the cpu multiplier as well as disabling turbo boost. So I expect your p55m-ud2 does something similar. In the end I over clocked it myself.
     
  10. eddtox

    eddtox Homo Interneticus

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    You're spot on. I just checked CPUZ and it says that the bus speed is 160MHz. I will probably drop the memory speed to 1333 until I decide whether to overclock or not.
     
  11. Remeniz

    Remeniz Muted!

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    The RAM controllers run perfectly fine @1600Mhz speeds. But what I do is set the BIOS up manually. Run the RAM's XMP settings; it shouldn't up the BCLK.
     

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