Can DDR400 be used with DDR333?

Discussion in 'PC hardware help' started by Daggy-G, Aug 5, 2005.

  1. Daggy-G

    Daggy-G Regular member

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    Can DDR400 be used with DDR333 on the same machine?
    or would that result in a slower pc & slower performance?
    My motherboard supports both
     
    Daggy-G, Aug 5, 2005
    #1
  2. ddp

    ddp Moderator Staff Member

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    yes but will run at same speed as the 333
     
    ddp, Aug 5, 2005
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  3. Daggy-G

    Daggy-G Regular member

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    r u sure? any chance it will read the 400 as 400 & the 333 as 333?
     
    Last edited: Aug 5, 2005
    Daggy-G, Aug 5, 2005
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  4. elusiv1

    elusiv1 Regular member

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    It will downclock to the slower memory module Daggy.....The PC2700 333
     
    elusiv1, Aug 5, 2005
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  5. pulsar

    pulsar Active member

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    Yep, elusiv is quite correct, the memory will only go as fast as the MOBO & CPU will let it. Don't forget that 400 memory is its' FASTEST speed, it is NOT the default speed, that is set by the speed of your CPU & the MOBO FSB.

    Pulsar
     
    pulsar, Aug 6, 2005
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  6. ddp

    ddp Moderator Staff Member

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    didn't i say basically say that!!
     
    ddp, Aug 6, 2005
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  7. pulsar

    pulsar Active member

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    Yes, but I just elaborated it for him!

    Pulsar
     
    pulsar, Aug 6, 2005
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  8. Daggy-G

    Daggy-G Regular member

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    lol alright guys thanks!!
    Damn if i use my single 1gig strip i get to use @ ddr400
    if i put it 256 more ram the at ddr333
    is it even worth it to downgrade to 333 over 256 mb of more ram?
     
    Daggy-G, Aug 8, 2005
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  9. ddp

    ddp Moderator Staff Member

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    you are not going to see a speed difference between the 333 & 400
     
    ddp, Aug 8, 2005
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  10. Daggy-G

    Daggy-G Regular member

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    I actually tryed it with both set in & u r right EXCEPT!!
    Internet Explorer & Firefox r way slower on DDR333
    Other than ... theres not too much of a speed diff on non internet based programs
     
    Daggy-G, Aug 12, 2005
    #10

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