i5 2.5GHz v 2.7GHz

Discussion in 'iMac' started by nambuccaheadsau, May 28, 2012.

  1. nambuccaheadsau macrumors 6502a

    nambuccaheadsau

    Joined:
    Oct 19, 2007
    Location:
    Nambucca Heads Australia
    #1
    Having retired and no longer using Photoshop, Corel or QuarkExpress, going to 'downsize' from my Quad Core Mac Pro to a new iMac. From users of the current series, is there any noticeable performance difference between the 2.5 and 2.7GHz CPU's? Would imagine not a great deal with some 7% difference in capacity.

    Also any noticeable difference in performance between the Radeon 6750 and 6770 gfx cards please?

    Thanks.
     
  2. BlueFinch macrumors newbie

    BlueFinch

    Joined:
    May 1, 2012
    Location:
    Hamm, Germany
    #2
    there are no big differences.

    6770 and 6750 have both 480SP but they have slightly different clocks.
     
  3. theSeb macrumors 604

    theSeb

    Joined:
    Aug 10, 2010
    Location:
    Poole, England
    #3
    It's not a good time to be buying right now. The 2012 refresh is imminent.
     
  4. nambuccaheadsau thread starter macrumors 6502a

    nambuccaheadsau

    Joined:
    Oct 19, 2007
    Location:
    Nambucca Heads Australia
    #4
    The best time to buy is when you have the money and new models could be yonks away down under.

    Thanks BlueFinch ~ you used both models?
     
  5. yezza macrumors regular

    Joined:
    Mar 12, 2008
    #5
    Lol, nothing like buyer's remorse.

    I would urge you to wait for the update if you can - I'm sure you will get a lot more for your money if you do. It's *surely* weeks away at most.

    That being said, here's a link to benchmarks on barefeats.com, and here's another only including the 2.7 which may give you a little insight as to which model might suit :)
     
  6. nambuccaheadsau thread starter macrumors 6502a

    nambuccaheadsau

    Joined:
    Oct 19, 2007
    Location:
    Nambucca Heads Australia
    #6
    Okay.

    Will give it to the end of June.

    Whispers down under is Sept or Oct.
     
  7. throAU macrumors 601

    throAU

    Joined:
    Feb 13, 2012
    Location:
    Perth, Western Australia
    #7
    Best case, you'll see 7% in cpu bound apps. i.e., handbrake or similar. if you're doing general stuff i suspect you'll see closer to 0% difference in the real world, as most apps are IO or memory bound, not CPU bound.


    More important is the video memory, but unless you're gaming there's no point upgrading to 1gb there either.

    It depends what you're using the machine for really.
     
  8. lifeguard90 macrumors 6502a

    Joined:
    Aug 25, 2010
    Location:
    Chicago
    #8
    That makes no sense
     
  9. Nandifix macrumors 6502

    Joined:
    May 10, 2012
    #9
    I'm sure most apple products ship to us, uk and au around the same time? Best to wait anyway as you will get a better product for your money and not paying this year prices for last year hardware.
     
  10. Mr Rogers macrumors regular

    Joined:
    Oct 24, 2003
    Location:
    Hong Kong
    #10
    Wait till refresh

    Low end 21.5in and 27in iMacs will be superior to mid level iMacs currently on sale - also, if you go refurbished route, a i7 21in iMac or i5 3.1Ghz iMac at 27in on July 1st will not break the bank.
     

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