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  1. #1
    ROG Guru: Yellow Belt Array techanalyst PC Specs
    techanalyst PC Specs
    MotherboardAsus Maximum z690 Extreme
    ProcessorIntel Core i9-12900
    Memory (part number)64GB DDR5 T-Force Delta 6400MHz
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    12900K safe voltages?

    What are the safe voltage for the 12900k? Bios I set max 1.375 ok or is that going to kill the CPU in 3 months
    Miniatura de Adjuntos Miniatura de Adjuntos Screenshot 2021-12-12 112419.png  


  2. #2
    Administrator Array Silent Scone@ROG's Avatar
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    Hello,

    1.375v is fine.

    Using Per Core 54/53/52 with a set adaptive of 1.37v here with LLC 4.

  3. #3
    ROG Guru: Yellow Belt Array techanalyst PC Specs
    techanalyst PC Specs
    MotherboardAsus Maximum z690 Extreme
    ProcessorIntel Core i9-12900
    Memory (part number)64GB DDR5 T-Force Delta 6400MHz
    Graphics Card #1ASUS ROG Strix NVIDIA GeForce RTX 3090
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    Quote Originally Posted by Silent Scone@ROG View Post
    Hello,

    1.375v is fine.

    Using Per Core 54/53/52 with a set adaptive of 1.37v here with LLC 4.
    I see the Intel app doing its thing but pushing to 1.5 vid if I add too many 5.5 cores which might be too much (the test above stays in the 70s on xtu 2 bench but with more 5.5s it’s stable but it climbs to 84

  4. #4
    ROG Guru: Yellow Belt Array techanalyst PC Specs
    techanalyst PC Specs
    MotherboardAsus Maximum z690 Extreme
    ProcessorIntel Core i9-12900
    Memory (part number)64GB DDR5 T-Force Delta 6400MHz
    Graphics Card #1ASUS ROG Strix NVIDIA GeForce RTX 3090
    Sound CardCreative Sound Blaster AE-9
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    Quote Originally Posted by Silent Scone@ROG View Post
    Hello,

    1.375v is fine.

    Using Per Core 54/53/52 with a set adaptive of 1.37v here with LLC 4.
    The voltage to up to 5.5 seems to be a large jump from here, pretty much staying below 1.4 to achieve this, and temps with XTU 2 running only maxes out at 82-84
    Miniatura de Adjuntos Miniatura de Adjuntos Screenshot 2021-12-12 170449.png  


  5. #5
    ROG Guru: Yellow Belt Array techanalyst PC Specs
    techanalyst PC Specs
    MotherboardAsus Maximum z690 Extreme
    ProcessorIntel Core i9-12900
    Memory (part number)64GB DDR5 T-Force Delta 6400MHz
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    Sound CardCreative Sound Blaster AE-9
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    Quote Originally Posted by Silent Scone@ROG View Post
    Hello,

    1.375v is fine.

    Using Per Core 54/53/52 with a set adaptive of 1.37v here with LLC 4.
    lol mind me asking where I set thatÂ*

    I see in bio I can set adaptive but then it’s in offset mode Â*

  6. #6
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    Quote Originally Posted by Silent Scone@ROG View Post
    Hello,

    1.375v is fine.

    Using Per Core 54/53/52 with a set adaptive of 1.37v here with LLC 4.
    I tried this, works well. But under Prime 95 load, the core voltage is spiking to close or even above 1.5v with these settings, and the temperature goes up to 90C. This is with a massive AIO. I know, Prime 95 is NOT representing a realistic scenario. But is it still safe to have possible peak voltages of 1.5v?

  7. #7
    Administrator Array Silent Scone@ROG's Avatar
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    Quote Originally Posted by Chainbold View Post
    I tried this, works well. But under Prime 95 load, the core voltage is spiking to close or even above 1.5v with these settings, and the temperature goes up to 90C. This is with a massive AIO. I know, Prime 95 is NOT representing a realistic scenario. But is it still safe to have possible peak voltages of 1.5v?

    Where are you reading the voltage from?

    With Loadline 4 CR20 load puts the Apex around 1.325v (USB Osc)

    Stop running Prime


    Quote Originally Posted by techanalyst View Post
    lol mind me asking where I set thatÂ*

    I see in bio I can set adaptive but then it’s in offset mode Â*
    Set adaptive then enter the voltage value into Additional Turbo Voltage.

  8. #8
    ROG Guru: Yellow Belt Array techanalyst PC Specs
    techanalyst PC Specs
    MotherboardAsus Maximum z690 Extreme
    ProcessorIntel Core i9-12900
    Memory (part number)64GB DDR5 T-Force Delta 6400MHz
    Graphics Card #1ASUS ROG Strix NVIDIA GeForce RTX 3090
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    Quote Originally Posted by Silent Scone@ROG View Post
    Where are you reading the voltage from?

    With Loadline 4 CR20 load puts the Apex around 1.325v (USB Osc)

    Stop running Prime




    Set adaptive then enter the voltage value into Additional Turbo Voltage.
    1.375? Seems a high add on

  9. #9
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    Quote Originally Posted by techanalyst View Post
    1.375? Seems a high add on
    This is not "add on" to the adaptive core voltage. It's a bit confusing though. It's "called additional Turbo voltage". It seems it sets a ceiling when running in Turbo mode.

  10. #10
    ROG Guru: Black Belt Array Hopper64 PC Specs
    Hopper64 PC Specs
    MotherboardAsus MZ690E Bios 1403
    Processori9 12900KS
    Memory (part number)GSkill F5-6000U3636E16GX2-TZ5RK
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    Jays 2 cents has a video about OC on this platform which was enlightening. I’m using AI OC setting in the bios with a 100mV negative offset to decrease the peak voltage. Just benched mine with a maximus extreme, 12900k and highest temp was 80C in HWInfo64. Pcores were 5.5 to 5.3 and max Vcore was 1.4V. Using Adaptive Voltage with the negative offset. Negative offset worked quite well. It was stable throughout. I’m still testing mine currently.

    *https://m.youtube.com/watch?v=y2HvCcb-eTc

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