best processor upgrade for Dell Optiplex GX620

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best processor upgrade for Dell Optiplex GX620

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hi

what is the fastest intel core 2 processor i can buy for my dell optiplex gx620?
it has a pentium 4 2.8ghz LGA 775 socket

I heard about the fsb bieng capped at 800mhz and wondered also if i could buy a dell optiplex board that supports intel core 2 or if their is any way to flash the BIOS to allow this

regards

Ash

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  • The GX620 doesn't support any Core processors. The chipset theoretically could do some of the low end ones, but the bios has to recognize the processor and then more or less let the motherboard adjust the voltage provided to the processor.

     

    The best you can get is a Pentium D I believe. The first Optiplex with Core support was the 745 if memory serves.

    Member since 2003

  • ok thanks, i saw a pentium d 960 which was rated at 3.6ghz. how does this compare to the newer core  processors as the clock speed is rated higher but it is dual core at only 800mhz fsb

    regards

    ash

  • According to this page.....

    http://www.dell.com/us/en/dfh/desktops/optix_gx620/pd.aspx?refid=optix_gx620&cs=22&s=dfh

    You can go up to a pentium D 840 or a pentium 4 670.

    hope this helps.

  • The GX620 MT does support Core 2 Duo 6300. I am running that setup right now. Bios A11 is enough to support. Originally, a Pentium D 960 3.60 Ghz had been running in the machine.

  • You may be able to go as high as a E6600 or Q6600. I haven't tried yet...hope,hope!

  • Bump: I'm in a similar situation
  • As in can optiplex gx620 support a core 2 duo?

  • joeD4321

    As in can optiplex gx620 support a core 2 duo?

    No it cannot.

    If you want Core2 Duo Get an optiplex 745 or 755 Tower.

    The Optiplex 620 FAQ lists the D960 with the Copper Heatsink and Bios A11.

    ALWAYS update bios BEFORE trying to change cpu.

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  • Ok thanks. If I upgraded my optiplex gx620 to its max (according to the FAQ) then could I run oblivion? What settings?

  • Never mind that.

    What about the pentium d extreme editions, will it support them?

  • Will the optiplex gx620 support pentium d extreme editions, I mean.

  • no and it wont support the 960 without the Copper heatsink.

    You cant get blood out of a stone.  This is an old system with DDR2 and only room for single slot wide video card.

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  • Single slot wide? Would an ati radeon x1950 gtx qualify?
  • One of the fastest Cards is the Radeon HD 6670 single slot.    X1950 is slower.

    PassMark - G3D Mark
    High End Videocards - Updated 27th of March 2012

    Radeon HD 6670                             1,203

    Radeon X1950 CrossFire Edition 864

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    The forum is primarily user to user, with Dell employees moderating.

  • I have a Dell Optiplex GX620 Desktop and just replaced the Pentium 4 3 GHz HT processor with a Pentium D 945 3.4 GHz. I was told this wouldn't work but It works perfect, I do believe its probably the max processor for my board though.