A worthwhile upgrade? Or parallelgrade ? Inspiron 5100

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OK, I have 2 main computers that I use on a day to day basis. My powerhouse desktop which does anything a desktop possibly could, from heavy gaming, to video encoding

I have a 2.8ghz (Pentium 4) Inspiron 5100, that i use for school (college commuter) this fundementally is also a powerhouse computer. However, I have no use for all of this left over power. I dont game on the laptop like i would on my desktop, perhaps some age of empires, but thats a low maintainance game. Is it possible for me to take my desktop 2.8ghz cpu out, and maybe get a mobile version of the cpu ? I really want to increase battery life on this more than anything. It gets almost 3 hours on a desktop cpu, what type of improvement would I see if i move it to a p4 mobile cpu ? maybe something around 2.4ghz. It needs to be the socket 478 package. Is this a worthwhile upgrade?

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bump...

[ozzlo]

wow 3 hours is a feat for a p4... is that idle or load?


a mobile p4 has built in speedstep and maybe extera cache and some minor thermal improvements but i don't think that the little extera battery life is worth a cpu swap... you could get the same result by turning down your screen brigtness...


I got a program called rightmark cpu clock utility that you may be able to use to lower your processor voltage alittle bit... but I had a freind try this on his p4 and it worked fairly well except for the advanced settings tab where changing any values in there would cause a bluescreen o death... since your proc don have speedstep i'm not sure how well it would work... I managed to obtain an extera hour of batterylife while tweaking with theese settings but I got a p-m. you might get a 1/2 hour extera if the program actually worked...

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ok not worth it, thanks