Benchmarks for late 2013 256GB Flash vs Fusion

Discussion in 'iMac' started by trans-olsx, Nov 25, 2013.

  1. trans-olsx macrumors member

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    Oct 22, 2013
  2. yjchua95 macrumors 604

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    GVA, KUL, MEL (current), ZQN
    #2
    This is from my 21.5".
    3.1GHz i7-4770S
    16GB RAM
    256GB SSD
    1GB GT750M
     

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  3. liquid2.0t macrumors newbie

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  4. DJ Set macrumors newbie

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    #4
    Basic 21,5 Imac here with 256GB SSD
     

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  5. trans-olsx thread starter macrumors member

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    Oct 22, 2013
    #5
    The 2013 Fusion Drive should test close to the speeds as the 2013 Flash Modules as long as the 128G Flash portion is in play. However, when the "fused" flash module becomes full and overflowing, the speeds will drop precipitously as illustrated in the graph below from the 2012 Fusion Drive.

    http://www.barefeats.com/haswel2.html
     
  6. yjchua95 macrumors 604

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    GVA, KUL, MEL (current), ZQN
    #6
    On average, the Fusion drive operates at 350/520 MB/s write/read respectively. Nowhere near to that of a pure-SSD setup.
     

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