Are the 15" vs 17" CPU's Actually Different? (not speed)

Discussion in 'MacBook Pro' started by Stangs55, Jan 6, 2009.

  1. Stangs55 macrumors 6502a


    Jul 3, 2007
    The Lone Star State
    Both are listed as Intel Core 2 Duo...but the 15" is offered in 2.53 and 2.8Ghz, while the 17" is in 2.63 and 2.93Ghz.

    So are the actually different processors? Or is it just a speed bump?
  2. Moriarty macrumors 6502

    Feb 3, 2008
    I think the 17 inch Macbook Pro's CPUs (at least the 2.93) have a 35W TDP as opposed to 25W for the 15 and 13 inch Macbook/Pros. Which could account for the slight increase in thickness in the 17 inch?
  3. J the Ninja macrumors 68000

    Jul 14, 2008
    Just a different multiplier/core clock, it looks like. FSB and L2 cache is the same, and they are both 45nm Core 2 Duo's obviously.
  4. alphaod macrumors Core


    Feb 9, 2008
    Well officially, Intel does not offer the 2.53GHz and the 2.8GHz models anymore with 6MB L2. They have been replaced with the 2.66GHz and 2.93GHz models.
  5. jjahshik32 macrumors 603

    Sep 4, 2006
    The 17" mbp can do the 8gb of ram while the 15" cannot, bummer~ :mad:
  6. spgiva macrumors regular


    Feb 2, 2008
    Philadelphia, PA
    Do you think this mean that the 15" will be getting the same speed bump in the next few months?

    Not to thread hijack but, do you think that this might be addressed at some point (with a firmwear update?) or is this hardwired into the computer?

  7. six.four macrumors 6502

    Oct 24, 2008
    the 2.53ghz MBP, actually has a TDP of 35w (T9400 CPU). Only the 2.4ghz (P8600) and lower have the "newer" P series chips which have a TDP of 25w.

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