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  1. #1
    ROG Member Array akaash00 PC Specs
    akaash00 PC Specs
    MotherboardROG STRIX Z790-A GAMING WIFI D4
    ProcessorIntel Core i9 13900KF
    Memory (part number)G. Skill DDR4 Trident-Z 2x16GB 3200MHz RGB - [F4-3200C14D-32GTZR]
    Graphics Card #1EVGA 3090 FTW Ultra Gaming
    MonitorLG UltraGear 27GN950 4K @144Hz
    Storage #1Samsung 990 pro 2TB
    Storage #2Samsung 960 pro 1TB
    CPU CoolerCORSAIR iCUE H150i ELITE LCD
    CaseLian Li PC-O11 Dynamic XL ROG
    Power SupplyCorsair AX1600i
    Keyboard Logitech G815
    Mouse Logitech G502
    Headset Logitech PRO X Wireless
    OS Windows 11 PRO

    Join Date
    Jan 2018
    Reputation
    10
    Posts
    8

    Unhappy 7900x never on turbo 4,5Ghz? [Fixed]

    I wonder why my cpu(7900x) on rampage VI extreme never goes to 4,5Ghz turbo. I always see max 4Ghz in taskmanager when running a simple application.
    In the bios the cpu is running 4.0Ghz and saying turbo 4,5Ghz(defaults and stock clock).

    Is something wrong or is intel turbo boost diffrent these days?

    I remember my laptop with 4th gen i7 always running on turbo boost freq. and clocking down when thermal throttling. Doesn't happen with the 7900x one.

    Can someone explain please? Thank you


    Edit:
    also when benchmarking in CPU-Z:
    when multithreading 4Ghz
    when single thread still 4Ghz

    Edit2:
    This is what IXTU sees
    Click image for larger version. 

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    I see there 45 ratio, but it never reach that in single thread
    Last edited by akaash00; 01-10-2018 at 04:53 PM.

  2. #2
    ROG Member Array akaash00 PC Specs
    akaash00 PC Specs
    MotherboardROG STRIX Z790-A GAMING WIFI D4
    ProcessorIntel Core i9 13900KF
    Memory (part number)G. Skill DDR4 Trident-Z 2x16GB 3200MHz RGB - [F4-3200C14D-32GTZR]
    Graphics Card #1EVGA 3090 FTW Ultra Gaming
    MonitorLG UltraGear 27GN950 4K @144Hz
    Storage #1Samsung 990 pro 2TB
    Storage #2Samsung 960 pro 1TB
    CPU CoolerCORSAIR iCUE H150i ELITE LCD
    CaseLian Li PC-O11 Dynamic XL ROG
    Power SupplyCorsair AX1600i
    Keyboard Logitech G815
    Mouse Logitech G502
    Headset Logitech PRO X Wireless
    OS Windows 11 PRO

    Join Date
    Jan 2018
    Reputation
    10
    Posts
    8

    Red face Fixed it!

    I fixed it. I already had the intel turbo boost 3.0 application.

    I had to change the bios clock from by core usage(default) to by specific core and the core ratios auto.

    Then everything worked well!

    Multi-threading uses now 4,3Ghz(turbo)
    And single thread 4,5Ghz(3.0 turbo)

    It works like it should

    I hope I helped other with the same issues.

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