Windows 10: 2017 Hardware Thread

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  1.    1 Day Ago #571

    sygnus21 said: View Post
    I must be the only person on the planet who doesn't overclock their GPU. Just install and let it rip
    Nope, I am right there with you. I think my GPU has a slight overclock right from the factory, but that's as far as I take it. I'm running a lowly EVGA 1060 FTW+, but it does a great job with everything I throw at it.
      My System SpecsSystem Spec

  2.    1 Day Ago #572

    Well I need mine to handle more than I might throw at it
      My System SpecsSystem Spec

  3. Cliff S's Avatar
    Posts : 13,906
    Microsoft Windows 10 Pro 64-bit 14393, Windows 10 Insider Fast Ring, Windows 8.1 Update, Ubuntu
       1 Day Ago #573

    Cliff S said: View Post
    Very probable cause...
    VDroop because as voltage drops, almost immediately after stress test start of course the OC multiplier goes down too:
    What is VDroop?
    An update on my stress test "problem".
    It does look like VDroop is the culprit.

    No matter if I'm OC'd at 4.9, 4.6, 4.4 or not OC' at all(default 4.0 with core #0 at 4.2 turbo boost) I (only) when I stress test the voltage drops.

    I found this while learning to use OCCT better, and it makes a series of chart shots save to .png files when it has run through. Here is an example of 4.6GHz:
    Click image for larger version. 

Name:	2017-03-24-12h58-Voltage-CPU VCORE.png 
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    voltage Vcore


    Here you see that the LLC Ring stays steady although:
    Click image for larger version. 

Name:	2017-03-24-12h58-Voltage-LLC-Ring.png 
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    voltage LLC Ring


    And the VID voltage looks like a heart attach:
    Click image for larger version. 

Name:	2017-03-24-12h58-Voltage-VID.png 
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ID:	126575

    So now I need to learn how to compensate(safely!) for it in MSI Click 5 BIOS


    *Given the small voltage tolerance that overclockers are working with (increased voltage is proportional to the CPU frequency/multiplier that an overclock can achieve), a droop in voltage applied to CPU can make a theoretically stable overclock unstable (dropping the voltage below that required to achieve the set frequency). *LLC applies additional voltage to the CPU to combat vdroop so that when switching to load, there is sufficient voltage to keep that frequency stable.
    Load-Line Calibration: why overclockers should care - CPUs, Motherboards, and Memory - Linus Tech Tips
      My System SpecsSystem Spec


 
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