Official OC Leaderboard

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  1. Kol12's Avatar
    Posts : 2,788
    Windows 10 Pro ver 20H2
       #661

    Polo6RGTI said:
    Run Cinebench and check the vdroop with CPU-Z. What is the LLC set to currently?

    The repair screen is normal, I always just restart and run a disk check after Windows boots to the Desktop.
    I usually use HWiNFO for my voltage readings but I will use for CPU-Z for a real time reading. LLC I think is on 4, probably need that higher. Are there any other settings critical to 5.2-5.3 on these chips? 5.3Ghz not even booting into Windows doesn't seem like a good start..
      My Computer

  2. Polo6RGTI's Avatar
    Posts : 800
    Windows 10 Enterprise x64 19043.928
       #662

    Kol12 said:
    I usually use HWiNFO for my voltage readings but I will use for CPU-Z for a real time reading. LLC I think is on 4, probably need that higher. Are there any other settings critical to 5.2-5.3 on these chips? 5.3Ghz not even booting into Windows doesn't seem like a good start..
    For 5.2GHz set the Vcore to 1.420V and the LLC to 6. If the PC can pass a quick benchmark start lowering the Vcore, but you need to constantly check for logged WHEA errors in Event Viewer(Place a shortcut on the Desktop). If a WHEA error is logged raise the Vcore again. I prefer to use Cinebench+CPU-Z to check the Vdroop and Prime95 v.29.4(non-AVX) 1344 FFT in-place for worker errors.
    Official OC Leaderboard-screenshot-11-.png
    Here is a screenshot of the settings I used to determine that a Vcore of 1.300V was the best for a 5GHz overclock.
    Official OC Leaderboard-screenshot-12-.png
      My Computer

  3. Kol12's Avatar
    Posts : 2,788
    Windows 10 Pro ver 20H2
       #663

    Thanks for the tips @polo. I will have another attempt at some stage and report back. 5Ghz looks like the sweet spot for daily running. Looks like only the very lucky chips can get 5.2Ghz @ 1.3v. I'm referring to this link you provided not too long ago: [Sammelthread] Intel Coffee Lake-S (Sockel 1151) OC-Ergebnis-Thread! KEIN Quatschthread!
      My Computer

  4. Cliff S's Avatar
    Posts : 25,551
    Win10 Pro, Win10 Pro N, Win10 Home, Windows 8.1 Pro, Ubuntu
       #664

    @Kol12 at your most stabile OC, try upping your base clock a little at a time, instead of using the multiplier.
    Doing this I was able to get 5189.86 MHz with one core no hyperthreading on !AIR! with my 6700K(not delidded)

    Or if you can get a unstabile OC at a higher multiplier, start lowering the base clock(which I also might try on my 9900K @5.4GHz)..

    If you just want to see how high you can go in CPU-Z you can also start turning off cores(less heat), but then try to use at least 2 cores, as when I did one core no HT, I was able to get into Windows no problem, but not back into BIOS(of course the motherboard allowed overclocking but wasn't really made for it): Official OC Leaderboard - Page 17 - Windows 10 Forums
      My Computers

  5. Cliff S's Avatar
    Posts : 25,551
    Win10 Pro, Win10 Pro N, Win10 Home, Windows 8.1 Pro, Ubuntu
       #665

    Upped my base clock to 101.000
    All eight cores baby!
    (memory jumped up to 3905.6 too)
    Intel Core i9 @ 5454.05 MHz - CPU-Z VALIDATOR
    Official OC Leaderboard-image.png
      My Computers

  6. OldMike65's Avatar
    Posts : 106,571
    Windows10 Pro (x64) 20H2 19042.928
       #666

    Cliff S said:
    Upped my base clock to 101.000
    All eight cores baby!
    (memory jumped up to 3905.6 too)
    Intel Core i9 @ 5454.05 MHz - CPU-Z VALIDATOR
    Official OC Leaderboard-image.png
    Wow Great score Cliff, you finally beat my 8700 by 26 points....
      My Computers

  7. OldMike65's Avatar
    Posts : 106,571
    Windows10 Pro (x64) 20H2 19042.928
       #667

    I might have to beat your score....thinking about it...hehe
      My Computers

  8. Cliff S's Avatar
    Posts : 25,551
    Win10 Pro, Win10 Pro N, Win10 Home, Windows 8.1 Pro, Ubuntu
       #668

    Upped the base clock to 101.54
    Intel Core i9 @ 5483.05 MHz - CPU-Z VALIDATOR
    Official OC Leaderboard-image.png
      My Computers

  9. OldMike65's Avatar
    Posts : 106,571
    Windows10 Pro (x64) 20H2 19042.928
       #669

    Cliff S said:
    Upped the base clock to 101.54
    Intel Core i9 @ 5483.05 MHz - CPU-Z VALIDATOR
    Official OC Leaderboard-image.png
    Ok...now cut that out...
      My Computers

  10. CountMike's Avatar
    Posts : 18,356
    W10+Developer Insider + Linux
       #670

    Have to be careful with BCLK/FSB, that also raises IMC; PCIe and I/O clocks which can cause instability.
      My Computers


 
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