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    ROG Guru: White Belt Array claudej PC Specs
    claudej PC Specs
    MotherboardMaximus VIII Gene
    ProcessorIntel 7700K
    Memory (part number)2*8GB G.SKILL RipJaws IV
    Graphics Card #1Zotac RTX 2070
    MonitorLG 65E7V
    Storage #1Intel 660P 2.0TB M.2 SSD
    Storage #2Seagate Exos 16TB
    CPU CoolerID-Cooling IS-50
    CaseSilverstone SG04B-H mATX
    Power SupplyThermaltake London 550W
    Keyboard Logitech K800
    Mouse Logitech Performance Mouse MX
    OS Windows 10 64bit
    Accessory #1 LG CH08LS10 Blu-Ray

    Join Date
    Sep 2015
    Reputation
    10
    Posts
    77

    Improving the Vcore of my 7700K on Maximus VIII Gene

    Hi,
    I have a 7700K on a Maximus VIII Gene.
    If I reset the bios, I get a high Vcore and high temperatures.
    The last time I tried, Vcore was around 1.36 on Turbo. Temps were impossible under load.
    I use Dual Intelligent Processor in AISuite.
    I know you don’t like AISuite, but it’s convenient.
    I also have CPU-Z, they are both consistent except maybe time, DIP5 is slow and low refresh rate.

    So I try to undervolt my CPU.
    I go to Adaptive Mode, I set 1.28.
    I get a Vcore from 1.20 to 1.23 on Turbo.
    My temperatures are much lower than before. I can live with that.
    If I set 1.20 Vcore stays at 1.2 to 1.23 on Turbo.
    It seems I can set any value and Vcore stays at 1.2 to 1.23 on Turbo.
    Then I use various benchmarks, PCMark10, Cinebench, CPU-Z Bench, Prime 95.
    Prime95 always fails and the CPU gets toasty.
    I know you don’t like Prime95 but it’s bound to have some value.
    I’d like for Prime95 to run without errors, at acceptable temperatures even if it means I have to downclock on AVX instructions.

    I tried LLC values from 6 to 2, not sure if it has any effect.
    I’d like for my Vcore to be low, sufficient and stable (see my Vcore of 1.136 under load).

    I finally did set 2 in the bios for the AVX Parameter.
    Prime95 did run without error at 4300MHz and max temps around 90°Click image for larger version. 

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    Edit :
    I just reseted my Bios,
    Tweaked it step by step.
    The moment I change Auto to Adaptive Mode (without any values) Vcore drops from around 1.36 to around 1.2

    Sorry, this is probably a boring question, if it is one.
    Last edited by claudej; 09-06-2020 at 12:26 PM.

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