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  1. #1


    Member Since
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    don't have one yet!
    Core Duo or Core 2 Duo?
    hi, i am currently looking at refurbished Macbook Pro's, and they have a few Core Duo's. is there a significant difference with Core Duo compared with Core2Duo?

  2. #2

    D3v1L80Y's Avatar
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    MacBook
    You might find this thread helpful:

    http://www.mac-forums.com/forums/showthread.php?t=54593
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  3. #3

    mac57's Avatar
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    Specs:
    iMac 27" 3.4 GHz, 256 GB SSD, 2 TB HDD, 8 GB RAM
    The major deltas are:

    1/ Core Duo is 32 bit
    2/ Core 2 Duo is 64 bit
    3/ Core 2 Duo performs up to 40 % better, clock for clock, but the average is about 10% to 15%

    Since Leopard is going to include full 64 bit support, there is at least a hand waving argument that says that the Core 2 Duo machine will run Leopard faster. Of course we will not know until the software is out and the numbers are in!
    My Macs: iMac 27" 3.4 GHz, Mac Pro 3.2 GHz, PowerMac G5 Quad 2.5 GHz, G4 Cube with 1.2 GHz Upgrade
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    My OS': Mac OS X Lion, Mac OS X Snow Leopard, Mac OS X Tiger, Mac OS 9.2.2, openSUSE 10.3
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  4. #4

    Alexis's Avatar
    Member Since
    Apr 20, 2006
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    Al iMac 20" 2.4Ghz Intel Core 2 Duo
    No way are Core 2 Duos 40% faster :black:

    You might see a very slight improvement in some tasks, but there's not that much difference.

  5. #5

    mac57's Avatar
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    Agreed Alexis. Intel says "up to 40% faster", but from what I have read, the actual experienced result is more like 10%.
    My Macs: iMac 27" 3.4 GHz, Mac Pro 3.2 GHz, PowerMac G5 Quad 2.5 GHz, G4 Cube with 1.2 GHz Upgrade
    My iStuff: 64GB iPhone 5, 64GB iPad4, 30GB iPod Video, 16GB iPod Touch
    My OS': Mac OS X Lion, Mac OS X Snow Leopard, Mac OS X Tiger, Mac OS 9.2.2, openSUSE 10.3
    I was on the Mac-Forums honor roll for September 2007

  6. #6

    dimagex20's Avatar
    Member Since
    Apr 03, 2006
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    iMac Intel Core Duo 17" A Little Piece Of Heaven
    Well it all depends on what you plan to do with your mac. If you are into video and photo editing as well as making DVD's, that sort of stuff, then you will see a difference between Core Duo and Core 2 Duo. Core 2 Duo would deffinately process information faster, but the difference will not be that big. Maybe a few seconds or half a minute deppending on how much information is being processed. If you are only into typing up reports, surfing the internet, and so on it really doesn't matter which one you go for. If I were you I would go for the Core 2 Duo since you are at this fork of the road. You never know, you might end up liking video and photo editing. For that reason alone you might as well get the Core 2 Duo while you have the chance.
    It's all good.

  7. #7

    TheThirdMan's Avatar
    Member Since
    Mar 01, 2007
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    London
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    Specs:
    Powerbook G4 1.67ghz, Macbook Intel Core Duo 1.86ghz
    Core 2s also have twice the cache, good for tasks like vid editing and 3d.

  8. #8

    mac57's Avatar
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    Exactly, good point dimagex20. That larger cache is one of the reasons that Intels says it should be faster.
    My Macs: iMac 27" 3.4 GHz, Mac Pro 3.2 GHz, PowerMac G5 Quad 2.5 GHz, G4 Cube with 1.2 GHz Upgrade
    My iStuff: 64GB iPhone 5, 64GB iPad4, 30GB iPod Video, 16GB iPod Touch
    My OS': Mac OS X Lion, Mac OS X Snow Leopard, Mac OS X Tiger, Mac OS 9.2.2, openSUSE 10.3
    I was on the Mac-Forums honor roll for September 2007

  9. #9


    Member Since
    Oct 12, 2006
    Posts
    17
    Specs:
    MacBook C2D 2.0 GHz/1 GB/80
    But the 1.83 model has 2MB of cache also. Just the 2.0 models have 4MB

  10. #10


    Member Since
    Nov 25, 2006
    Posts
    199
    Also the core 2 duo can be udgraded to wireless "n" with firmware update, and I don't think the core duos can.

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