Enormous speed variance


  1. whs
    Posts : 26,210
    Vista, Windows7, Mint Mate, Zorin, Windows 8
       #1

    Enormous speed variance


    On my Asus Transformer tablet I was making a Macrium image to a 32GB MicoSD card. During the run I observed transfer speeds ranging from 90Mb/sec to 210Mb/sec. That is more than 100% speed variance. I have no clue why that is so - do you ?
      My Computer


  2. Posts : 4,566
    Windows 10 Pro
       #2

    What kind of files were being transferred? For example documents and others will transfer at a faster pace vs videos etc.

    So maybe when the image was being made it was on the documents section and then started transferring videos.

    My guess anyways...
      My Computer


  3. whs
    Posts : 26,210
    Vista, Windows7, Mint Mate, Zorin, Windows 8
    Thread Starter
       #3

    It was a system image. There really are no documents on the system yet - apart from a dozen pictures. I just wanted to have this first image after the initial installation, all updates, installation of Office and a few programs.

    Doing it on the MicroSD card is handy because that always travels with the tablet. And for the recovery program, I have a stick. I might create an RE for the recovery program but I am not sure whether I like that extra step with each boot.
      My Computer


  4. Posts : 24,479
    Windows 7 Ultimate X64 SP1
       #4

    I've noticed big transfer speed differences too, but I have no idea why. In my experience it run very fast in the beginning and drops from there. I have thought maybe it's due to a buffer or cache being filled and emptied.
      My Computer


  5. whs
    Posts : 26,210
    Vista, Windows7, Mint Mate, Zorin, Windows 8
    Thread Starter
       #5

    In my case it was just the other way around. First slow at abour 90Mb/sec. Then it went up to 210Mb/sec and finally it settled around 130Mb/sec. Very peculiar.
      My Computer


 

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