I just ordered a HP nw8240. It comes with a PM 760 @ 2Ghz. Im going to swap out my gf's Celeron with a PM 725. Since I will have both procs i was wondering would it be better to keep my 760 or swap it out with the 725 and OC it? Im assuming performance would be very close since the clock speeds only differ by 100Mhz, but I mean themal and power efficency wise. Any one have any experience with either procs? Most of my laptops use ULV chips so OCing was never an option...
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Don't bother OCing notebook processors with your laptop. Heat increases exponentially and without sufficient cooling, you are just asking for trouble.
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Like the post above advised, OCing is not recommended for laptops; their weak cooling systems usually can't handle the extra heat output. Battery life will also suffer at a minimal gain in performance (perhaps 10-15%, depending on OC). You would not only risk damaging the CPU, but also surrounding laptop components, given the compact build of most laptops today.
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Overclocking the FSB by 33MHz will hardly make a difference in temps or battery life. You'll probably get 15 minutes less. (But your notebook can already handle the Bus Speed of 133MHz, so you won't see any reduction in power efficiency)
If you like playing around with computer hardware, you could try the pin-mod. But OCing the PM 725 will give you the same performance as the PM 760.
Or, you could try pin-modding your GF's notebook. (If it has the 910GML/915GM/PM NB)
And to reduce the power consumption by a good 5-6 Watts -> Undervolting.... -
Pin mod the PM 725. this will push its speed from 1.6 to 2.13Ghz with no side effects. Then use RMClock to undevolt this CPU to reduce the heat further ad increase your battery live.
Pin Mod
Undervolting Guide -
when i said OC i was refering to pin modding...and i always undervolt my computers. so should i pinmod a 725 or keep the 760? Im not too worried about overheating as the notebook was originally designed to handle a 780 proc which generates far more heat. Guess i'll keep the 760 and give her the 725.
@Andy, I was planning on pin modding the 725 for her but then when i found this laptop i wasnt sure what would be better. -
Performance wise you wont notice a big difference between the M725 + pin mod and the M760 at stock speed.
You could try to get and pin mod an M735 instead. This will pin mod to 2.26Ghz. Other CPUs such as the 745, 755 and 765 are harder to pin mod. -
(Does you GF's notebook have the 915GM/910GML chipset ??)
Whichever way you want, it won't make any difference in performance !! -
That is by far the best and most stabile of the choices if you do decide to pin mod. -
alright, looks like Im keeping my 760. Thanks for the help guys!
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Overclocked PM vs Stock
Discussion in 'Hardware Components and Aftermarket Upgrades' started by mr_bankai, Sep 8, 2008.