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Choose GM45 or Q35 for motherboard chipset

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.

Thanks.
0
turbot_yu
Asked:
turbot_yu
4 Solutions
 
_Commented:
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.
0
 
turbot_yuAuthor Commented:
Yes.

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.
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IanThCommented:
mobile is cooler in use (less power)
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CallandorCommented:
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.
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PCBONEZCommented:
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.
.
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_Commented:
Thank you much.   : )
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