Choose GM45 or Q35 for motherboard chipset

Posted on 2009-02-10
Last Modified: 2013-12-09
I am trying to search for a powerful mini-itx motherboard.

Finally 2 catelogs to choice

1)Has latest chipset GM45 epress, but FSB only 1066MHz, such as IM-GM45(MSI)

2)Not latest chipset Q35, but FSB higher 1333MHz, such as LV-678(Commell)

I am develope a portable equipment.
Software inside need high speed hardware. If less heat also, the better.

Question by:turbot_yu
    LVL 33

    Accepted Solution

    It looks like the IM-GM45 uses the Mobile cpu and the LV-678 uses a regular deaktop cpu.

    That usually mean the LV-678 will take handle a more 'powerful' processor.

    Author Comment


    GM45 seems newer than Q35, but only support FSB upto 1066M.

    Just wonder how much difference between the below.

    - Q35+FSB133M or
    - GM45+FSB1066M

    Not sure how much difference how much difference between mobile and desktop cpu.
    LVL 30

    Assisted Solution

    mobile is cooler in use (less power)
    LVL 69

    Assisted Solution

    It will depend on what is the fastest processor each supports, but all other things being equal, a faster FSB will mean faster processing.  The FSB is how Intel cpus communicate with main memory, and the faster it is, the better.
    LVL 26

    Assisted Solution

    I agree
    ->> faster FSB will mean faster processing <<--

    CPUs are now so fast that FSB is the limiting performance factor.

    Faster CPU with same FSB basically means CPU waits faster. - RAM is still same speed.
    Same CPU with slower FSB basically means CPU waits longer.

    Assuming the same number of Cores in CPU then choose option with fastest FSB.
    LVL 33

    Expert Comment

    Thank you much.   : )

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