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1333 vs 1066 when FSB is 1066.

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  • 1333 vs 1066 when FSB is 1066.

    I posted this question in the benchmark sticky but got no response, so here is my question again.

    Would I have better performance running 1066MHz memory on an i7 640M whose FSB supports a max of 1066, or running 1333MHz that downclocks to 1066. Both sticks were the same price at Newegg, so I figured why not get the faster memory? If I will have better performance with the native 1066 I will exchange the memory. Thanks!
    Current: Dell Latitude D820 - Centrino Duo T2400 1.83GHz, 2GB 667MHz RAM, 80GB HDD, CD/DVD RW, Win XP
    On Order: Sager 5135 - i7 640M, 8GB G Skill 1333MHz RAM, Intel Centrino 6400 b/g/n, 240GB Phoenix Pro (maybe), NVIDIA 425M with Optimus, BluRay Read DVD RW, Dual boot W7 and FreeBSD.

  • #2
    If price is the same, go with the higher one. It should downclock to the same specs as DDR3-1066 CL7.

    Thank you
    GSKILL TECH

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