Can you take a quad xeon out of the mac pro...

Discussion in 'Mac Pro' started by bbplayer5, Dec 3, 2007.

  1. bbplayer5 macrumors 68030

    Apr 13, 2007
    And put it into a PC with a 775 socket and have it work?

    I rarely use all 8 cores on my mac pro, so I was wondering if this would work to quickly upgrade my PC haha.
  2. Vader macrumors 65816


    Oct 11, 2004
    Saint Charles, MO
    I seriously doubt that the MacPro would work without one chip, or if you could even take just one out. Even more than that, I doubt that it would eork in a pc anyway.
  3. Pressure macrumors 68040


    May 30, 2006
    They don't use the same socket, so no.

    Socket 771 for Xeon branded processors versus Socket 775 for desktop processors.
  4. xUKHCx Administrator emeritus


    Jan 15, 2006
    The Kop
    Well from what I have read you can take them out, it is just a standard processor so why wouldn't it work in the PC if it is pin compatible.

    The only question there is if the MP would work with a chip missing, dunno.
  5. dusanv macrumors 6502

    Mar 1, 2006
    Oddly, it does work with one chip. Check They ran a Mac Pro with a single chip.
  6. Anonymous Freak macrumors 603

    Anonymous Freak

    Dec 12, 2002
    The two important points:

    1. The Mac Pro will work just fine with one processor removed.

    2. The quad-core chips in the Mac Pro are Xeon 5300-series chips that use Intel's "LGA-771" socket. This is not at all compatible with the more desktop-oriented "LGA-775" socket used by Pentium 4, Pentium D, Core 2 Duo, and Core 2 Quad chips. The Xeons only work in Xeon sockets.

    However, if you had, say, a first-day-of-purchase bottom-of-the-line quad 2.0GHz Mac Pro (two 2.0 GHz dual-core chips,) and your spanking new octo 3.0GHz Mac Pro (two 3.0 GHz quad-core chips,) you would see a performance boost in the old machine by moving one of the 3.0 GHz quad-core chips over. (You'd end up with two 3.0 GHz quad-core machines instead of one 2.0 GHz quad-core and one 3.0 GHz octo-core.) But you'd be "wasting" the two 2.0 GHz quad-core chips. It would only be even remotely useful if you did a lot of work that was capable of using all four cores, but not eight cores, on both machines. In which case, the speed loss to the octo-machine wouldn't be felt, and the speed boost to the old 2.0 GHz machine would be.
  7. jabbawok macrumors regular


    Sep 30, 2004
    That's sooo wrong, :eek: :eek: I couldn't violate my Mac Pro's innards like that. The only time i take the side off is to stare in wonder at its beauty or stick in more RAM/HDDs.

    On a more serious note, and correct me anyone if I'm talking rubbish, but you're likely to notice quite a drop in performance because your going to one processor package over two and losing half your cache and one of your CPU to system controller busses. I'd be greatfull for having that power when you need it if I were you.
    Just my 2 pence worth and probably overpriced at that....
  8. newtech macrumors 6502

    Jun 2, 2007
    No, Xeons used in Mac Pro's are socket 771 not 775
  9. deathshrub macrumors 6502

    Oct 30, 2007
    Christmas Island
  10. RichP macrumors 68000


    Jun 30, 2003
    Motor City
    You may want to buy a non-xeon quad core on newegg..they are REALLY cheap now.

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