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  1. Dude's Avatar
    Posts : 12,658
    Windows 10 Pro X64
    Thread Starter
       1 Week Ago #781

    Cliff, 4.8 is the uncore
      My ComputerSystem Spec

  2. Cliff S's Avatar
    Posts : 22,976
    Win10 Pro, Win10 Pro N, Win10 Home, Win10 Pro Insider Fast Ring, Windows 8.1 Pro, Ubuntu
       1 Week Ago #782

    Dude said: View Post
    Cliff, 4.8 is the uncore
    Ok thanks
      My ComputersSystem Spec

  3. Geneo's Avatar
    Posts : 650
    Windows 10 Pro x64 Retail
       1 Week Ago #783

    Cliff S said: View Post
    Nice run
    what do you mean 5.2/4.8?
    Thanks
    Core speed / uncore speed

    oops, see Dude answered for me.
      My ComputerSystem Spec

  4.    1 Week Ago #784

    I have an overclocking question for you guy's. It is summer here and I am trying to reduce the heat output. I have dialed my 8700K back to 4.8Ghz. It's the voltage and LLC I have questions about. I have set the voltage to Adaptive with an override of 1.230v and negative offset of 0.001v. I have LLC set to level 3. In Windows under load the voltage still hit's 1.280v, this seems like it is locked into the chips voltage table...

    Anyway my question is with me setting an override of 1.230v will the CPU try to use voltages between 1.230v - 1.280v during clock changes i.e 4Ghz-4.8Ghz? Is the value of 1.230v actually doing anything? If I were to set it to 1.250v or 1.260v what difference would that make?

    The second question is - if for some reason my 1.230v input was too low could the CPU boost to 4.8Ghz less often, use lower clock speeds on average or just flat out start throwing WHEA errors? Another way of asking this is - does lower voltage = less clock performance?
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  5. Polo6RGTI's Avatar
    Posts : 553
    Windows 10 Pro WS x64 17134.523
       1 Week Ago #785

    Kol12 said: View Post
    I have an overclocking question for you guy's. It is summer here and I am trying to reduce the heat output. I have dialed my 8700K back to 4.8Ghz. It's the voltage and LLC I have questions about. I have set the voltage to Adaptive with an override of 1.230v and negative offset of 0.001v. I have LLC set to level 3. In Windows under load the voltage still hit's 1.280v, this seems like it is locked into the chips voltage table...

    Anyway my question is with me setting an override of 1.230v will the CPU try to use voltages between 1.230v - 1.280v during clock changes i.e 4Ghz-4.8Ghz? Is the value of 1.230v actually doing anything? If I were to set it to 1.250v or 1.260v what difference would that make?

    The second question is - if for some reason my 1.230v input was too low could the CPU boost to 4.8Ghz less often, use lower clock speeds on average or just flat out start throwing WHEA errors? Another way of asking this is - does lower voltage = less clock performance?
    The Vcore for my 8700K also goes up to 1.280V with a 4.8GHz OC. With Cinebench the Vcore drops to 1.240V. I use the same LLC mode for stock core speed and up to 5.3GHz.

    I haven't seen any performance impact from using lower voltage. If the Vcore is too low apps will crash, WHEA errors will be logged and the system can also freeze.

    Click image for larger version. 

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      My ComputersSystem Spec

  6.    1 Week Ago #786

    Polo6RGTI said: View Post
    The Vcore for my 8700K also goes up to 1.280V with a 4.8GHz OC. With Cinebench the Vcore drops to 1.240V. I use the same LLC mode for stock core speed and up to 5.3GHz.

    I haven't seen any performance impact from using lower voltage. If the Vcore is too low apps will crash, WHEA errors will be logged and the system can also freeze.

    Click image for larger version. 

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    Do you think the 1.280v is programmed into the CPU's voltage table by Intel at various core ratios? I noticed similar behavior on my old 4790K. Do you mean the max you hit during cinebench is 1.240v or is that an average during the test? Wow LLC level 3 up to 5.3Ghz? Is that enough voltage stability?
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  7. Polo6RGTI's Avatar
    Posts : 553
    Windows 10 Pro WS x64 17134.523
       1 Week Ago #787

    Kol12 said: View Post
    Do you think the 1.280v is programmed into the CPU's voltage table by Intel at various core ratios? I noticed similar behavior on my old 4790K. Do you mean the max you hit during cinebench is 1.240v or is that an average during the test? Wow LLC level 3 up to 5.3Ghz? Is that enough voltage stability?
    It looks like it is the programmed voltage. The 1.240V is the Vcore for the entire Cinebench run.

    No I use MSI LLC mode 4. My current OC is 5GHz@1.312V with ambient room temps up to 29C.

    Cinebench 0 Vdroop, Adaptive voltage
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    Prime95 Non-AVX
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    Prime95 AVX
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  8.    1 Week Ago #788

    Polo6RGTI said: View Post
    It looks like it is the programmed voltage. The 1.240V is the Vcore for the entire Cinebench run.

    No I use MSI LLC mode 4. My current OC is 5GHz@1.312V with ambient room temps up to 29C.
    What settings did you have for 1.240V in Cinebench? My 1.230V adaptive + LLC 3 still does 1.280V in Cinebench...

    Oh yeah you are in summer too, I looked and you are getting similar temperatures to us here in NZ right now. My ambient room temp can hit 27-28C but I am fortunate enough to have a small air conditioner in here which can make that more comfortable. I could not imagine running 5Ghz+1.312V in this heat, your temps must be up there? I've noticed the VRM idling in the 40C's at room temp 26-28C. And the way my fans are set up they idle at 1000 rpm in this heat which is an annoying noise level for idle but I would have to really fiddle with my fan adjustments to make the rpm lower but still high enough under load.
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  9. Polo6RGTI's Avatar
    Posts : 553
    Windows 10 Pro WS x64 17134.523
       1 Week Ago #789

    @Kol12

    4.8Ghz(1.240-1.280V)
    CPU Ratio: 48
    CPU Ratio Mode: Dynamic Mode
    AVX Offset: 0
    Ring Ratio: 45
    CPU Voltage Mode: Adaptive+Offset
    CPU Core Voltage: Auto
    CPU Core Voltage Offset Mode: -
    CPU Core Voltage Offset: 0.015V
    MSI LLC: Mode 4


    5GHz(1.312V)
    CPU Ratio: 50
    CPU Ratio Mode: Dynamic Mode
    AVX Offset: -2
    Ring Ratio: 47
    CPU Voltage Mode: Adaptive+Offset
    CPU Core Voltage: 1.305
    CPU Core Voltage Offset Mode: -
    CPU Core Voltage Offset: Auto
    MSI LLC: Mode 4

    5GHz Prime95 Non-AVX 10 minute run, ambient room temp 26C Click image for larger version. 

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  10. essenbe's Avatar
    Posts : 11,662
    Windows 10 Pro and Windows 10 Pro Insider
       1 Week Ago #790

    I don't believe you can compare MSI and Asus LLC numbers. I think they are very different. Not better or worse, just different.
      My ComputersSystem Spec


 
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