p4 or p4 mobile

Malkavian

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heres my situtation at the moment i have a 2ghz celeron@2.67ghz and my question is would a mobile p4 cpu fit in a desktop skt478 board and if it did i might be able to get a cheap 2ghz mobile cpu..which is better option mobile cpu or a celeron..I know a full fledge p4 is better option than celeron but im tempted to get the 2ghz mobile if it will work and would it be possible to oc it?
 

pitsi

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No, a mobile P4 will not work on a desktop S478 board.

Btw, keep in mind that an Athlon XP 1700+ can rip apart your CPU in games. It is better to always do a little research before buying, <b>especially</b> when it comes to PCs.
 

Malkavian

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the board and cpu i got now was free so i wasnt going to complain and i dont want to mess about getting new board and cpu just upgrade cpu for time being as money flow is tight
 

Kanavit

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get a Xeon socket 603-604 pin mainboard and buy a Pentium-M 1.7ghz or model Pentium-M 755. That [-peep-] will rock.

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INTEL Pentium 4 2.8B
ATI RADEON 9800 PRO
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pIII_Man

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are you sure about that? i think i saw a while back some people who put a pentium 4m into a desktop mobo to see if they would get unlocked multis. I remember it working out, only the cpu booted with like a 10x multi or something like that.

If it isn't a P6 then it isn't a processor
110% BX fanboy
 

P4Man

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ANY P4 would be a far better solution than just about ANY celeron. But I'm not sure mobile P4s (or celerons)will work, someone else claimed it won't, I don't know, could be true.

Anyway, if I'm not mistaken, your board supports 800 MHz FSB, so there is nothing to stop you from buying a cheap P4B or C, or maybe even the 2.4 P4E and overclock the hell out of it. Even without overclocking, you'll get a spectacular preformance increase because the Celeron is such an incredible piece of [-peep-], regardless of its clock. A celeron, even at 2.6 GHz, performs on average about half as good as a barton 2500+, and it gets utterly destroyed even by a Duron 1.6. Its probably considerably slower than a good P3 on a lot of things. Avoid it, at all costs (including free).

OTOH, if you overclock a P4B/C 2.4 or P4E 2.4 to ~3 GHz -which should be pretty easy, you would actually be increasing your performance roughly by a factor <b>3</b>. I wouldnt hesitate a second, get a P4 since you already have the MB. Don't ever, EVER buy a Celeron (unless perhaps the Banias based Celeron-M). Even if you overclock it to over 4 GHz, it will still be a piss poor performer.

In case you think I'm exagerating, check out <A HREF="http://www.anandtech.com/cpu/showdoc.html?i=1927&p=16" target="_new"> this review</A>. try extrapolate and you'll see even a 10 Ghz Celeron would be poor at mostly anything except maybe DivX encoding. Its not even worth overclocking.

= The views stated herein are my personal views, and not necessarily the views of my wife. =
 

P4Man

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oops, seems I misread. I thought you where considering a mobile cerelon to replace your current one, but you're considering a mobile P4. I have no real answer to your question here, besides the fact that I doubt a mobile part would be worth the extra $$$, unless you are *very* concerned about heat/noise. Low end northwoods, even the desktop parts are great overclockers, I wouldnt look too hard at the mobile parts if I where you. I'd probably go for a P4 2.4B or E/533 ($128/$140 on pricewatch) and overclock it as far as it goes, which should be fairly high in both cases.

= The views stated herein are my personal views, and not necessarily the views of my wife. =
 

Crashman

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Yes, it will fit. Anandtech put a mobile P4 on one of thier SiS 655 chipset boards to test 200MHz bus speeds, before the "800" bus P4's were released. And it does drop to a lower multiplier.

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Crashman

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Former Staff
Anandtech says a mobile P4 WILL work on a desktop board.

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pitsi

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Really? I apologise for my mistake then! I thought I had read somewhere that this could not be done but I guess I could be wrong about this.
 

Crashman

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I wouldn't have had an answer, except that Anandtech did that story around a year ago (give or take a couple months).

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Malkavian

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Thanks crashman would the mobile p4 be better option than the celeron(dumb question i guess)even with the lower multiplier and would it oc easy?
 

Crashman

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Former Staff
Probably, I believe the Anandtech article showed the Celeron 2400 to be slower than all the P4's they tested against it. I wouldn't spend money on the P4 Mobile though, I'd just get a standard desktop P4 if you have a desktop board to put it in.

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Malkavian

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i would rather go desktop version anyway but as Ive said cash is bit tight at moment...so I might see if i can get a 1.8 with the 512 L2 cache and oc cos either way at stock or oc i know it will be better than my cely 2ghz
 

Crashman

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Former Staff
It seems like a mobile P4 would be more expensive than a desktop P4.

My friend has had his 1.8A at 2.4B speed for 2 years, simply by changing the bus speed from 100MHz (400 bus) to 133MHz (533 bus).

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Malkavian

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yeah just read that on anandtech thats why i thought about tryin to get a cheap 1.8 maybe 2 but with the northwood core
 

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