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Thread: AMD PR Rating




  1. #1
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    I don't quite understand AMD's PR rating system, and I haven't found any decent review on the net about that....
    Is there any easy way to convert GHz --> PR rating? :confused:
    I hope you guys can help...
    ______________
    daemon666

  2. #2
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    The PR system that AMD use to use was to report what the equivalant Thunderbird would have to be to give the same performance but just recently AMD has changed this but don't seem to want to let the rest of us know how they come up with it.
    <center>:cheers:</center>

  3. #3

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    what do you mean what the thunderbird used to be? The thunderbird didn't use a PR system. :confused:

  4. #4
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    This is the way it use to work till the XP2400+ came out.

    An Athlon XP1600+ (1400MHz Palamino) would require a 1600MHz Thunderbird Athlon to do the same things in the same time.

    At no time has AMD said that their PR system reflected the equivalant Intel model. ;)
    <center>:cheers:</center>

  5. #5

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    I could have sworn that was what PR was all about........back in the 486 family. I mean what does PR stand for? Pentium Rating by any chance?

  6. #6
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    PR = performance rating
    I read somewhere what it was, but I can't remember at the moment, but the PR is figured the same way but with 100 points added for some feature in the new chips. Sooner or later I'll probably remember what it was.

  7. #7
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    Quote Originally Posted by Wiggo
    This is the way it use to work till the XP2400+ came out.

    An Athlon XP1600+ (1400MHz Palamino) would require a 1600MHz Thunderbird Athlon to do the same things in the same time.
    You mean XP1600+ = 1466MHz ... right?

    :cheers: :cheers: :cheers:

  8. #8
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    No 1467MHz is an XP1700+. ;)


  9. #9
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    http://www.overclockers.com.au/techstuff/a_qs_calc/

    A nice little calculator for those who want to figure out ratings.

    Note: I think that the newer Athlon XPs are slightly different.. but no matter. :)

  10. #10
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    Well up until the 2400+ a PR increase of 100+ meant a MHZ increase of 66, starting at the 1500+ (1333mhz). Kinda like intel, it was meant to kick off the ratings from the previous set of chips. Its true. The rating is as compared to a T-Bird not p4. The ratings are basically

    1500+ - 1333mhz
    1600+ - 1400mhz
    1700+ - 1466mhz
    1800+ - 1533mhz
    etc etc


    so judging by the trend the 2400+ would be 1933mhz, the 2600+ would be 2066mhz & the 2700+ would be 2133mhz. Just to make things even more confusing than they were before. The ratings are
    2400+ - 2000mhz
    2600+ - 2133mhz
    2700+ - 2133mhz

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