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    PM 55 vs PM 45 Chipsets

    Discussion in 'Hardware Components and Aftermarket Upgrades' started by skylla, Nov 18, 2009.

  1. skylla

    skylla Notebook Enthusiast

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    Is the PM 55 chipset for the core I7 processors?

    I have been comparing Dell Studio 17, XPS 16 and Sager NP8760 all with Core i7-820

    The Sager uses the PM55 chipset while the Dell says it uses the PM45 but I thought PM 55 was used with all core i7's?
     
    skylla, Nov 18, 2009
    #1
  2. skylla

    skylla Notebook Enthusiast

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    Update: the Studio XPS 16 says it uses the PM45 (Studio 17 does say PM55)
     
    skylla, Nov 18, 2009
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  3. BrandonSi

    BrandonSi Notebook Savant

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    That's an interesting question. I was not aware that PM45 (Montevina) could support an i7, and even if it did I don't think you'd get hyper-threading. My initial impression is that it's a typo.

    PM55 (Calpella) obviously supports i7 + hyperthreading, and is the current mobile chipset.
     
    BrandonSi, Nov 18, 2009
    #3
  4. sgogeta4

    sgogeta4 Notebook Nobel Laureate

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    It's a typo, the notebook i7s use the PM55.
     
    sgogeta4, Nov 18, 2009
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  5. Serg

    Serg Nowhere - Everywhere

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    As sgogeta said, it could be a typo. Considering all those Dell models have a C2D variant built on PM45, it is that the info is not properly updated as PM45 fro Montevina and PM55 for Calpella.
     
    Serg, Nov 18, 2009
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  6. sean473

    sean473 Notebook Prophet

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    Dell has 2 Studio XPS 16 models the 1640 model which uses core 2 duo processors with PM45 chipset and thr 1645 model which use core i7 processors and PM55 chipset...
     
    sean473, Nov 18, 2009
    #6