Mac Pro CPU Compatibility List

Discussion in 'Mac Pro' started by ActionableMango, Feb 5, 2016.

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  1. 666sheep macrumors 68040

    666sheep

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    #51
    They were. I don't want to prove nigelbb's claims but show that there are different comparison methods which can give different results. It comes from the software used for test itself and how it handles computing tasks. In general Harpertown series isn't close to Nehalem/Westmere series in terms of single threaded performance, but there are areas where it may happen, depends of software optimization and usage of resources.
     
  2. nigelbb macrumors 65816

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    #52
    It's not a 'claim' objective benchmarks show around double the performance. Just look at the benchmark listings you posted.
     
  3. pastrychef macrumors 601

    pastrychef

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    #53
    Again, you can't just look at Cinebench numbers and make a determination that, oh since this machine is giving twice the score, it must be twice as fast at everything. Anyway, believe what you like. I'm going out for a bite.
     
  4. JoSch macrumors regular

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    Feb 22, 2013
    #54
    What exactly is the meaning of the "RAM" column?
    Is that the maximum RAM speed or the recommended speed for the CPU?
     
  5. h9826790 macrumors G4

    h9826790

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    #55
    Max speed in MHz (of course, talking about on the Mac Pro only). The RAM may run at a lower speed if there is any other limitation.
     
  6. raymanster macrumors 6502

    raymanster

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    #56
    Thank you for this, very useful as I just recently bought a single cpu 4.1 and am looking to upgrade to a hexacore processor.

    I've now ordered a x5670, which seems to fit my needs and budget well. Did originally want a x5680/w3680 but prices are about 40-50% more and the performance difference is not that great.
     
  7. JoSch macrumors regular

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    #57
    Can you elaborate on your reasoning?
    Is this for normal day usage? Or does your suggestion even spply to tasks like using FCPX?
     
  8. ActionableMango thread starter macrumors G3

    ActionableMango

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    #58
    Maximum RAM speed supported by the CPU.

    I included this column because in some cases a MP can use faster RAM based on the choice of CPU. Or, conversely, there are cases where you could upgrade to a faster CPU but end up with a slower RAM speed.
     
  9. bokkow macrumors 6502

    bokkow

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    #59
    As a sidenote; obviously the RAM itself should also support these speeds. In other words; 1066MHz rated RAM will not run at 1333MHz magically with a CPU that supports 1333MHz RAM-clockspeed. However, faster rated RAM will work (in most cases) just at lower clockspeed based on the maximum capability of the CPU.

    More information on RAM compatibility is coming up
     
  10. nigelbb macrumors 65816

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    #60
    Upgrading from a single 2.8GHz to a 3.2GHz processor will give a 12.5% increase in performance. Whether that is useful to you depends on what work you do. I have both a dual 2.8GHz & a dual 3.2GHz system & really don't see any noticeable difference between them in normal use. On the other hand if you were doing a large video rendering job CPU bound job that took 12 hours on the slower processor then it would take 10.5 hours on the faster processor & that might be useful to you.

    As mentioned adding an extra CPU to a uni-procsssor system would be far more useful than upgrading to a slightly faster single processor.
     
  11. JoSch macrumors regular

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    #61
    Thanks for the explanation.
     
  12. Mac Kiwi macrumors 6502a

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    #62
    Have a cMP 3/1 with X5482's

    What can I upgrade these CPU's too, or can you can still buy the old ones new somewhere?

    Tia
     
  13. Macsonic macrumors 65816

    Macsonic

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    #63
    The Xeon X5482 3.20Ghz is already the highest processor for the 3,1 Mac Pro. The Westmere and Nehalem have a different socket and may not be compatible with the 3,1 cMac Pro's motherboard. Though you can still do some upgrades on other components like GPU, add USB 3.0 or SSD. At 3.20Ghz it is still good for today's tasks.
     
  14. JoSch macrumors regular

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    #64
    Even the slowest CPUs for the 3,1 at 2,8 GHz are very good for today's tasks (FCPX and games like Battlefront in my case), if you use both sockets. ;-)
     
  15. Mac Kiwi macrumors 6502a

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    #65
    Cheers

    I have a couple of SSD's and a GTX 980. Waiting for an El cap USB3 or 3.1 card. I also have a new PSU and can get a refurb logic board, so I figured replace the CPU's and I have a newish 3/1 again with all the expensive problem parts replaced. Should be good for a while while I figure out what to get for my next workstation. I really want to stay Mac but HP - Z series of some description is looking more likely.

    I guess chances are zero that Apple would go back to the cMP form factor?
     
  16. ActionableMango thread starter macrumors G3

    ActionableMango

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    #66
    There are plenty of USB 3.0 cards that work in El Cap, see my signature.

    I'm not 100% sure, but I think you are saying you are buying spare parts. If so, keep in mind that CPUs aren't really a problem part, they are quite reliable.

    Yes, the odds of Apple going back to CMP design are zero or close enough to it.
     
  17. Mac Kiwi macrumors 6502a

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    #67
    So even after eight years of heavy use the X5482's could, theoretically, still be in good condition?

    Cheers for all the effort you and others have put into that USB3 and 3.1 thread ActionableMango. I might wait for 3.1 drivers, can't be far off now.
     
  18. prvt.donut, Mar 6, 2016
    Last edited: Mar 6, 2016

    prvt.donut macrumors 6502a

    prvt.donut

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    #68
    I just upgraded from dual e5520 processors to the x5677. There is a very noticeable difference in performance, even in just general usage it is far more snappy and responsive.

    With the currently insane prices of the x5690 chips the x5677 are definitely an excellent choice assuming you don't need 12 cores for your workflows. 8 should be plenty for me for now.

    These cost me about $70 each and then I used an excellent de-lidding service to get them ready for the 2009 Mac Pro that cost $130. So just $270 to double the speed of the CPUs, it has the same 3.46GHz core speed as the x5690 (which currently sell for about $350 each so $830 for the pair plus de-lidding service) so for me at least it will keep the Mac fast enough to last and if I ever need more multi-core grunt, hopefully in the future the x5690 prices will have dropped again so I can go that route or Apple gets their heads out of their asses and starts making some decent hardware again. I am mighty tempted by the new MSI vortex (they made a consumer Mac Pro, currently with 2 GTX 980's in SLI. If the hackintosh community gets this working with OSX....

    I ran a 64bit geek bench test and the results are here https://browser.primatelabs.com/geekbench3/5540209

    Nothing shocking but good to see the numbers to quantify the speed.

    Single-Core Score
    2761
    Multi-Core Score
    20445

    Now I did actually try to de-lid a CPU myself, I have done lots of computer mods in the past and watched a lot of videos of people doing it and no, it is not a good idea. I will write up a full blow by blow account in a separate post, but the tl,dr is I have a nice little expensive paperweight as well!

    Ps, anyone want to buy a pair of e5520 CPUs?
     
  19. jdryyz macrumors regular

    jdryyz

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    Jun 12, 2007
    #69
    So If read the information on the first page correctly, I can drop an X5660 into my single processor Mac Pro 4,1 but I will need to perform the firmware update first. In addition, it will support 1333 RAM speed.

    No need for a dual tray at this point unless I want to pair up the same processor. I also understand that de-lidding will be necessary for the dual but not the single processor tray.
     
  20. h9826790 macrumors G4

    h9826790

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    #70
    Correct
     
  21. jdryyz, Mar 7, 2016
    Last edited: Mar 8, 2016

    jdryyz macrumors regular

    jdryyz

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    #71
    Excellent!

     
  22. prvt.donut macrumors 6502a

    prvt.donut

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    #72
     

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  23. PurdueRPh, Mar 7, 2016
    Last edited: Mar 8, 2016

    PurdueRPh macrumors newbie

    PurdueRPh

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    Oct 24, 2012
    #73
    I would like to thank ActionableMango for this thread. I own a 4,1 Mac Pro that had a W3540 @ 2.93 GHz. I was able to install a W3690 @ 3.46 GHz. Immediately at boot up I could see the difference with this new processor. I ran Geekbench 3.0 64-bit test before and after with these results:
    _______Single-Core Score: Multi-Core Score:
    W3540 : ___2260 ___________________8889
    W3690 : ___2844 __________________16067

    Next upgrade : SSD
     
  24. ActionableMango, Mar 8, 2016
    Last edited: Mar 10, 2016

    ActionableMango thread starter macrumors G3

    ActionableMango

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    #74
  25. filmak macrumors 65816

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    #75
    I would like to thank Actionablemango and bokkow for this really useful and of great value thread.
    Their work, this entire thread, are really refreshing (for the forum members) and I think that is very kind of them to contribute so generously to the mac pro community.
    Thank you...
     
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