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Ryzen 7 3800X Show Different Boost Clocks with different motherboards

Discussion in 'Frontpage news' started by Hilbert Hagedoorn, Aug 22, 2019.

  1. Hilbert Hagedoorn

    Hilbert Hagedoorn Don Vito Corleone Staff Member

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  2. Kaarme

    Kaarme Ancient Guru

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    I don't know about the others listed, but MSI X570-A PRO is one of the cheapest X570 mobos, yet it's among the top 3 here. Quite funny.
     
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  3. Undying

    Undying Ancient Guru

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    Aorus boards have the best clocks. If only they are not so overpriced.
     
  4. alanm

    alanm Ancient Guru

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    Differences still negligible. Would prioritize motherboard features over slightly more boost clock.
     
    Last edited: Aug 22, 2019
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  5. Petr V

    Petr V Master Guru

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    I read something similar to this except the CPU was 3900X.
    One guy with boost under 4600 and another over 4700mhz.
     
  6. Petr V

    Petr V Master Guru

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    MSI x570-a pro is good too and much more cheaper. :D
     
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  7. jose2016

    jose2016 Member

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    Asrock ab350m-pro4 it's not bad. It's a great board for the money.
     
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  8. Fox2232

    Fox2232 Ancient Guru

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    Should have been provided in data table including Agesa Version, Memory clock + primary timings, ... and actual performance from ST benchmark used to measure boost.

    There is another important thing and it is default power limit set in BIOS for EDC which is parameter that limits boosting.
    And Actual reading from Ryzen Master. In most (likely all) cases I expect reading to be 100% and therefore EDC throttled. (This should be included in table above as well.)
    Therefore tiny difference in silicon resulting in bit higher current => lower achievable boost under same limit.
     
    Last edited: Aug 22, 2019
  9. sunnyp_343

    sunnyp_343 Master Guru

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    Msi x570 a pro is best.Indeed a real pro.
     
  10. Huggi

    Huggi Member

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    I'm surprised they didn't include the ASUS Crosshair VIII Hero/Formula
     

  11. AsiJu

    AsiJu Ancient Guru

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    I'd say within margin of error except for bottom 3.

    Given how Precision Boost works with Zen 2 you can get different results even with same mobo / CPU / cooler etc.

    Also worth noting they recorded the reported Maximum from 3 runs of Cinebench, meaning it could have been temporary and not sustained during an entire single run even, further negating the differences.

    Also as far as I know Ryzen Master reports clocks most accurately. HWInfo should be reliable too, but such small differences can be caused by reporting error as well.
     
  12. TLD LARS

    TLD LARS Member Guru

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    I am guessing some of this has to do with the different voltages, some mainboards gives to the CPU.
    On my own mainboard the Vcore was 100mV more then needed, so the less voltage could be less heat = higher clocks, especially if the box cooler i used.
     
  13. Evildead666

    Evildead666 Maha Guru

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    I'll have to give this a go tonight.
     
  14. Zhyr

    Zhyr Member

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    Since it's coming from a single source, they would have used the same equipment apart from the motherboards to remove variables.
     
  15. Fox2232

    Fox2232 Ancient Guru

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    So, all those boards had available same Agesa version?
    All those boards achieved same memory clock with same timings?
    And You presume that they performed how?
    And current limits are what?
    And did all cases hit it or none?

    Your assumption that provided information about achieved clock is-all-be-all shows severe lack of understanding value of knowledge/information.
     

  16. MegaFalloutFan

    MegaFalloutFan Master Guru

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    Im still interested in MSI x570 Creation for 3900X [Unless X590 is real, then ill buy x590 for sure]
    MSI x570 Creation has tons of features, build in 10gb LAN, 4 NVMe drive support, excellent VRMs and the most insane amount of USB ports which always run out for me [I dont understand USB hubs, prefer direct connecting]
    ASUS Hero wifi is excellent alternative
     
  17. Hilbert Hagedoorn

    Hilbert Hagedoorn Don Vito Corleone Staff Member

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    Untitled-1.png
     
  18. MegaFalloutFan

    MegaFalloutFan Master Guru

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    The graph posted here is incomplete, its missing All-Core boost.
    The MSI x570 Creation which had one of the lowest single core boosts had second to top All-Core boost 4224Mhz
     
  19. MegaFalloutFan

    MegaFalloutFan Master Guru

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    MSI x570 Creation has 7C36v133 ABB beta bios
     
  20. Silva

    Silva Master Guru

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    In my opinion, only the last 3 boards are out of spec.
    All the others I'd consider within margin of error.
    Its silicon lottery, and even the two same motherboards will have slight differences.
    This happens when you try to squeeze everything out of a product and leave no OC space, eventually some chips can't really boost that high.
     
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