330m underclocked in mbp?

Discussion in 'MacBook Pro' started by semiotic, Apr 15, 2010.

  1. semiotic macrumors newbie

    Joined:
    Nov 22, 2008
    #1
    In anandtechs's review of the i5 2.4 ghz mbp, I noticed that the 330m is seriously underclocked compared to the standard values on notebookcheck:

    clock 575 mhz, memory 1066 mhz, shader 1265 mhz standard guideline
    vs
    clock 500 mhz, memory 790 mhz, shader 1100 mhz in the low-end 15 inch mbp.

    links:
    http://www.notebookcheck.net/NVIDIA-GeForce-GT-330M.22437.0.html
    http://www.anandtech.com/show/3659/apples-15inch-core-i5-macbook-pro-the-one-to-get/6

    looks pretty dramatic. could someone with a 15 inch high end or a 17 inch mbp have a look if the 512 memory 330ms are clocked differently?
     
  2. maximus06 macrumors regular

    Joined:
    Nov 5, 2007
    #2
    1) The Sony Z's 330M is clocked at 475mhz, so 25mhz slower.
    2) You can overclock it in windows using many different tools. Though I wouldn't recommend overdoing it and watching your CPU&GPU temperatures. Maybe only do this while using a stand so that cooling is more efficient.

    I would also be interested to know if the higher-end 15" and 17" are clocked higher, though I doubt it.
     
  3. maflynn Moderator

    maflynn

    Staff Member

    Joined:
    May 3, 2009
    Location:
    Boston
    #3
    Apple has a long and illustrious history of underclocking their GPUs. So if I were to hazard a guess, I'd say they are in fact under clocking the puppy.
     
  4. Wehrwolf macrumors 6502

    Wehrwolf

    Joined:
    May 21, 2009
    #4
    the 1066Mhz memory clock seen in the notebookcheck spec sheet refers to DDR3 RAM. The spec for GDDR3 used in the MBPs is 800Mhz, so it's only a 10Mhz underclock, or ~3%. The shader and core are both underclocked by about ~13%
     
  5. Eddyisgreat macrumors 601

    Joined:
    Oct 24, 2007
  6. waloshin macrumors 68040

    waloshin

    Joined:
    Oct 9, 2008

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