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  1. #1
    CPU Upgrade for G4 "Sawtooth"

    Member Since
    Jan 02, 2007
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    G4 1.5Ghz, 2GB RAM, DVDRW, 360GB HDD
    CPU Upgrade for G4 "Sawtooth"
    I recently upgraded my G4 350 to a PowerLogix 1.5Ghz CPU. It made a MASSIVE difference. But I was wondering, with the standard G4 logic board, should I have just gone to a 1ghz or similar? Basically, does the bus speed limit the CPU upgrade? Would it be worth going to a 2ghz or would it not be any faster?

    Cheers

  2. #2
    CPU Upgrade for G4 "Sawtooth"
    jhelm007's Avatar
    Member Since
    Oct 18, 2004
    Location
    Norfolk, VA, USA
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    629
    Specs:
    MacBook: 2GHz, 2GB RAM, 120GB HD; PowerTower Pro (300MHz G3 clone): 608MB RAM, 10GB HD
    Even with system bus bottleneck a 2GHz processor will be faster than a 1.5GHz processor. However, I don't think it would be worth throwing money at. If you absolutely must have more speed than a 1.5 GHz G4, I'd save my $$ for a G5 or a new intel mac.

  3. #3
    CPU Upgrade for G4 "Sawtooth"

    Member Since
    Apr 13, 2010
    Posts
    15
    that helps me too thanks guys i am new to macs, but i know in the pc world if you dont have the fsb to go with the cpu you are just making a bottleneck mess and you will dissapointed with your machine when it does only an little better.

  4. #4
    CPU Upgrade for G4 "Sawtooth"
    baggss's Avatar
    Member Since
    Oct 10, 2004
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    Margaritaville
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    Specs:
    27" 3.4 Ghz i7 iMac-13" C2D Macbook-OSX 10.10.2 -64Gb iPad 2-64 Gb iPhone 6+-ATV 2-14Tb of Storage
    Quote Originally Posted by mantanz View Post
    I recently upgraded my G4 350 to a PowerLogix 1.5Ghz CPU. It made a MASSIVE difference. But I was wondering, with the standard G4 logic board, should I have just gone to a 1ghz or similar? Basically, does the bus speed limit the CPU upgrade? Would it be worth going to a 2ghz or would it not be any faster?

    Cheers

    Yes. The bus speed does in fact limit the overall speed of the computer. You can go with a faster CPU but it's just never going to get that much better than you have now. I used to have one of those machines and the bus speed was what made me decide to get a new machine after i went the route you have. Right now your machine is a bout as good as it's ever going to get and you probably would not have seen a large performance gap if you had chosen a 1ghz CPU instead.


  5. #5
    CPU Upgrade for G4 "Sawtooth"
    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
    Posts
    20,025
    Specs:
    iMac i5 2.7GHz, 16GB memory, OS 10.10.5
    Years ago also had a Gigabit Ethernet upgraded with a Powerlogix CPU upgrade to run leopard. Was okay but very limited. Save your pennies for a Mac Pro/

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