Test SSD Speed plugged and unplugged charger

Discussion in 'Microsoft Surface Pro 4' started by saidgta, Nov 25, 2015.

  1. saidgta

    saidgta Member

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    My Device:
    SPro4
    i tested SSD speed of my SP4 i5 128GB by HD Tune Software.
    there is a big difference between plugged and unplugged charger; but is this Normal?!

    Plugged Charger:

    plugged.png

    Unplugged Charger:
    unpluged.png
     
  2. GreyFox7

    GreyFox7 Super Moderator Staff Member

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    Is it consistently reproducible? How many times did you do this?

    Can anyone independently verify these results?

    Note that maximum and burst rate speeds are not that different.
    There could have been a background process doing something that affected your results.
     
  3. saidgta

    saidgta Member

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    I tried 4 times. No background process.
     
  4. GreyFox7

    GreyFox7 Super Moderator Staff Member

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    An average of 600 on battery is not really bad.
     
  5. Afy

    Afy Member

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    Does it really have an effect in your real world use case?

    Personally the only time I have noticed a difference in HDD performance on any machine is when using an external SSD versus a mechanical drive. And that too mostly running VM's. YMMV.. do let us know.
     
  6. saidgta

    saidgta Member

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    My Device:
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    May it really have not an effect in real world use, but the problem is:
    "Is this deference Normal?!"
     

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