Compatibility Question

Hello. I have a question regarding compatibility between my motherboard and a new CPU. I currently have an old Dell XPS Gen 3 computer with a Pentium 4 80547 LGA 775 800FSB, and I would like to upgrade it. I know by now, it's probably best to replace the computer all together, but let's say I just want to change the processor for a cheap boost. What's my best bet? It seems my motherboard has an Intel 925X Express chipset with a system clock of 800MHz.

From what I've researched, it appears that an Core 2 Duo E8400 is not compatible with my motherboard even if it is the same socket; is this true? If so, what's the best CPU I could get my old motherboard?

Any help is greatly appreciated. Thanks!
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  1. Neverdyne said:
    Hello. I have a question regarding compatibility between my motherboard and a new CPU. I currently have an old Dell XPS Gen 3 computer with a Pentium 4 80547 LGA 775 800FSB, and I would like to upgrade it. I know by now, it's probably best to replace the computer all together, but let's say I just want to change the processor for a cheap boost. What's my best bet? It seems my motherboard has an Intel 925X Express chipset with a system clock of 800MHz.

    From what I've researched, it appears that an Core 2 Duo E8400 is not compatible with my motherboard even if it is the same socket; is this true? If so, what's the best CPU I could get my old motherboard?

    Any help is greatly appreciated. Thanks!


    It doesn't look like you can get a Core2Duo.

    http://en.wikipedia.org/wiki/List_of_Intel_chipsets#9xx_Chipsets_and_3.2F4_Series_Chipsets


    Honestly, unless you can get a Pentium 4 for next to nothing, I wouldn't recommend investing money into such an old processor.

    There are several revisions of the 775 socket, and the older ones are not necessarily compatible with newer CPUs.
  2. Ah, I thought something like that would happen. I'll probably just end up making a new computer. Thanks.
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