change cpu in mac pro 3.1

Discussion in 'Mac Pro' started by GEORGE-GREEK, Mar 27, 2013.

  1. GEORGE-GREEK macrumors newbie

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    #1
  2. bax2003 macrumors 6502a

    bax2003

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    #2
    Slightly faster, but around 400$ for matched pair - absolutly not worth it.
     
  3. PowerPCMacMan macrumors 6502a

    PowerPCMacMan

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    #3
    I agree also..

    Do the math:

    Your present Mac Pro running at 2.8ghz

    3.20 x5482

    3.20/2.80 -1 *100 = about 11 percent faster.. NOT WORTH IT!
     
  4. Tesselator macrumors 601

    Tesselator

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    #4
    Or you can look at it like:

    Current CPU potential processing power: 22.4 GHz
    Upgraded CPU potential processing power: 25.6 GHz

    and kinda see the difference - or lack thereof. ;)
     
  5. PowerPCMacMan macrumors 6502a

    PowerPCMacMan

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    #5
    I was implying a low percentage in performance since 2.8 is so close to 3.2.. Usually if a measurement is 200MHZ min difference against the current speed then there is a significant difference..

    To me the OP will only experience the speed difference between 2.80 and 3.20 is if he is doing HEAVY video rendering and or encoding, or number crunching. Browsing the i-net, writing poetry, word processing.. this doesn't show that he is gaining any performance there..

    Even the difference between the x5472 when I had the 2008 Mac Pro and the x5482(3.20) is even smaller in performance gain.. 3.00 and 3.20 are so close to each other..

    Perhaps going from 2.80 to 3.20 might yield some performance boost in speed, but for everyday apps its not going to make a difference.

     
  6. Tesselator macrumors 601

    Tesselator

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    #6
    I doubt it. Maybe if he regularly uses a stopwatch to time the processing or something. :)

    But you're saying basically the same thing here too right?

    I forget the size of cache in the 2.8 model just now (I think it's 8MB no?). The CPU he's looking at has 12MB. So actually that would make some more difference on top of the clock differences. But still I doubt there would be a significant difference. OTOH if the OP has $100k of play money for stuff like this then what the heck, why not? :D
     
  7. Baunkjaer macrumors 6502

    Baunkjaer

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    #7
    As far as I can recall, the Xeon "X" doesn´t workt in the 2008 MP. The E5482 do, but are rather expensive.
     
  8. GEORGE-GREEK thread starter macrumors newbie

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