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    Bad Samsung 960 EVO perofrmance!?

    Discussion in 'Sager and Clevo' started by stefan063, Apr 23, 2017.

  1. stefan063

    stefan063 Notebook Consultant

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    I have noticed slow down in Samsung Magician speed benchmark today. I run test when I installed fresh new Windows 10 Creator update few weeks ago and it was 99% factory speeds. But after a certain period of time (today) I have run again test and now it is a lot slower.

    What I am missing here? No essential chipset/ime drivers updated. Same setting from day 1....

    ???
     

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    stefan063, Apr 23, 2017
    #1
  2. don_svetlio

    don_svetlio In the Pipe, Five by Five.

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    Check temps. Depending on the laptop. the SSD may be overheating
     
    don_svetlio, Apr 23, 2017
    #2
  3. Thousandmagister

    Thousandmagister Notebook Consultant

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    M.2 SSDs run hot (75~90 degree Celsius at full load) and these drives will throttle if you don't add some copper heatsinks & thermal pad on it .
    960 EVO has been tested on desktop , it can reach 76C
    http://www.guru3d.com/articles-pages/samsung-960-evo-m-2-1tb-nvme-ssd-review,7.html
    Laptop doesn't have many fans like desktop... So I don't think it will run better on a laptop
    Thermal limit of a SSD is 70C .
    Normal size SSD should run much cooler than M.2 SSD
     
    Thousandmagister, Apr 23, 2017
    #3
  4. stefan063

    stefan063 Notebook Consultant

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    Temp is low at idle and at load never pass 60 degree Celsius. I have EUROCOM X6W and 960 EVO is behind GPU cooler. I found that place much better then in HDD compartment bay. 10 degrees difference. I don't have any heat-sink nor thermal pad on it. But how after installing fresh copy of Windows and running tests 960 EVO was running at 99% of Samsung speed claims?! I also have Cooler Master Notepal XL.
     

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    stefan063, Apr 23, 2017
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  5. stefan063

    stefan063 Notebook Consultant

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    My system is overall very colder than average. I under-voltage CPU also -0.120V.
     

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    stefan063, Apr 23, 2017
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  6. Caas

    Caas Notebook Guru

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    I opened Samsung magician to check my ssd performance after seeing your post, and it is listing all my drives as not supported. This is weird...It was working fine when I just got my laptop.
     
    Caas, Apr 23, 2017
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  7. stefan063

    stefan063 Notebook Consultant

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    Hahaha... Weird hey :) I think we are haveing some kind of firmware issue, depending on system configuration and use... Everything was fine when you checked 1st time?
     
    stefan063, Apr 23, 2017
    #7
  8. Caas

    Caas Notebook Guru

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    Yes, it was working fine the first few times I checked. Even now, performance benchmarks are up to par, just that all the drives are listed as not supported.
     
    Caas, Apr 23, 2017
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  9. Meaker@Sager

    Meaker@Sager Company Representative

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    The drive is unlikely to ever run at full load so should never throttle under a single quick benchmark run.

    What do other programs show?
     
    Meaker@Sager, Apr 23, 2017
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  10. Stooj

    Stooj Notebook Deity

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    Have you installed the Creator Update recently? It might interfere and/or replace the NVME drivers with the stock MS ones again. I found it replaced some drivers on my GPD when I updated it.
     
    Stooj, Apr 23, 2017
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  11. stefan063

    stefan063 Notebook Consultant

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    Well,other programs show pretty much how it should be... Check picture. Don't know how Samsung Magician sees other way...?!
     

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    stefan063, Apr 24, 2017
    #11
  12. stefan063

    stefan063 Notebook Consultant

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    No. I installed fresh Creator version. Didn't updated. NVMe drivers are Samsung....
     
    stefan063, Apr 24, 2017
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  13. Meaker@Sager

    Meaker@Sager Company Representative

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    I would discard the outlier, is it performing slower than it should day to day?
     
    Meaker@Sager, Apr 24, 2017
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  14. stefan063

    stefan063 Notebook Consultant

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    What is outlier? Well, it is performing slower than when installed fresh Windows. As you can see I haven't got much on SSD. System was booting in arround 10sec fresh (Fast startup disabled). Now 15-20sec. Nearly double as from fresh install.
     
    stefan063, Apr 24, 2017
    #14
  15. Meaker@Sager

    Meaker@Sager Company Representative

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    What other startup programs are running? Have you tried disabling a few?
     
    Meaker@Sager, Apr 24, 2017
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  16. Caas

    Caas Notebook Guru

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    Nope. Nothing changed. I think it might be caused by some tweaks I did to the OS though. Not sure.
     
    Caas, Apr 25, 2017
    #16