Low-end 13" MBP CPU7550 Specs?

Discussion in 'MacBook Pro' started by rockonchen, Jul 1, 2009.

  1. rockonchen macrumors newbie

    Joined:
    Jun 14, 2009
    #1
    Could find this CPU in Intel's CPU list.
    It is same as P8400 with 2.26GHz.
    Is there anyone knows the architecture difference
    between P8400 and P7550?
    Thanks in advance.













    w
     
  2. w00t951 macrumors 68000

    w00t951

    Joined:
    Jan 6, 2009
    #2
    Most likely, there is a small change in the FSB or the cache or some other thing. The CPU with the higher number is generally better.
     
  3. rockonchen thread starter macrumors newbie

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    Jun 14, 2009
  4. Ryken macrumors newbie

    Joined:
    Jun 10, 2009
    #4
    they have the same clock speed, FSB, and L2 cache. My guess is they run at different wattage, but there is a big lack of info on the T7550. The P8400 runs at 25w, while the T7500 runs at 34w. I would assume the T7550 runs at the same wattage as the T7500, but I can't verify for sure. The difference mostly comes from the P8400 being a 45nm chip, and the T7500 is a 65nm chip.

    Can anyone verify that the T7550 is 45nm or 65nm?
     
  5. glavoie84 macrumors regular

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    Jun 23, 2009
    #6
  6. Dwalls90 macrumors 601

    Dwalls90

    Joined:
    Feb 5, 2009
    #7
    Oh okay neat.
     
  7. crzdmniac macrumors regular

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    Aug 23, 2007
    #8
    From my understanding the P7550 is just the OEM version of the P8400. Someone, feel free to correct me if I'm wrong.
     
  8. maratus macrumors 6502a

    maratus

    Joined:
    Jun 12, 2009
    Location:
    Canada
    #9
    T7550 != P7550
     
  9. rockonchen thread starter macrumors newbie

    Joined:
    Jun 14, 2009
    #10
    Probably true.
    I find Apple is not the only company using this chip.
    one or two HP and Acer Aspire 3935 also use the chip.
    Since it is a "P" chip, I would assume it runs at 25 watt.
     
  10. poematik14 macrumors member

    Joined:
    Jan 29, 2009
    #11
    6mb of L2 versus 3 i beleve in the 7 series. Also, the FSB is higher (1066 versus 800)

    Double check me as I may be wrong- this is off the top of my head
     
  11. airplaneman macrumors 6502a

    Joined:
    Jun 8, 2009
    Location:
    USA
    #12
    I'm pretty sure that all CPUs used in the current MBPs are 45 nm.
     
  12. rockonchen thread starter macrumors newbie

    Joined:
    Jun 14, 2009
    #13
    I agree with you that it is 45nm.
    But L2 Cache is still 3MB only.
     
  13. praetorian909 macrumors regular

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    Aug 4, 2004
    #14
  14. guill019 macrumors newbie

    Joined:
    Oct 17, 2009
    #15
    I'm also agree
     

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