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  1. #1
    ROG Guru: Blue Belt Array mdzcpa PC Specs
    mdzcpa PC Specs
    MotherboardMaximus Hero XI
    Processor9900k @ 5.1Ghz All Core 1.315v AVX -2
    Memory (part number)Gskill GTZ 4133 C17 32GB (4x8GB)
    Graphics Card #1ROG Strix 2080 TI OC
    Sound CardOn Board
    MonitorROG PG348Q
    Storage #1Samsung 970 Pro M.2 512GB for OS & APPS
    Storage #2Samsung 970 Pro M.2 1TB for GAMES
    CPU CoolerROG Ryujin 360
    CasePhanteks Evolv X
    Power SupplySeasonic Prime 1000W Titanium
    Keyboard Corsair K70 LUX RGB
    Mouse Corsair M65 RGB
    Headset Corsaur VOID Pro
    Mouse Pad Corsair MM300 Wide Desk Mat
    OS WIN 10 Pro
    Network RouterLinksys VELOP
    Accessory #1 ROG 751JY Laptop for Moobile Gaming
    Accessory #2 Koolance EXC-800 Chiller
    Accessory #3 25+ years of overclocking

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    A good sample... 9900k

    After swapping the stock TIM on the RYUJIN 360 with some Cryonaut my cooler score jumped to 190 on the Hero XI. I think this particular chip is a great sample as I'm now stable at 5.1GHZ all core @1.28v and still keeping my RAM at 4000 C17. I ran Real Bench for a few hours and then gamed a few hours. Temps top out at 73c under AVX. 62c in very heavily threaded gaming. Around 45c for lighter games. I think there just might be 5.2GHz in this chip at a very decent voltage. 1.325v will be my limit though for this daily system so we shall see.

    I think that in addition to the silicon quality that there just may be some variation in the soldered TIM. I have one other 9900k for a build I'm doing for my son and temps are far higher on that chip as are the voltage needs. With the same cooler and TIM (Kryonaut) the cooler score on the Hero XI is only 164 on that chip.

  2. #2
    ROG Junior Member Array michalmx0 PC Specs
    michalmx0 PC Specs
    Laptop (Model)Dell XPS 13 9350 (i7, 16GB RAM, 1TB NVMe, UHD+)
    MotherboardASUS ROG MAXIMUS XI FORMULA
    ProcessorIntel Core i9-9900K @5GHz (AVX) 1.27V + EK-Supremacy EVO RED Edition
    Memory (part number)G.Skill Trident Z RGB 2x8GB DDR4 3600MHz CL16 @4000MHz CL17 1.4V
    Graphics Card #1MSI GTX 980 Gaming 4G @1475/7800 + EK-FC980 GTX TF5 Acetal+Nickel
    Graphics Card #2MSI GTX 980 Gaming 4G @1475/7800 + EK-FC980 GTX TF5 Acetal+Nickel
    MonitorLG D2342P 3D
    Storage #1Samusng 970 EVO 500GB
    Storage #2Seagate SSHD 2TB + Samsung SpinPoint M9T 2TB
    CPU CoolerCustom LC: EK-D5 PWM + Black Ice 360 30mm (top) + Alphacool 280 45mm (front)
    CaseBitfenix Pandora ATX
    Power SupplySuper Flower Leadex Gold 850W
    Keyboard Razer Blackwidow X Chroma
    Mouse Razer Mamba Elite 4G
    Headset Razer Kraken 7.1 V2
    Mouse Pad Steelseries QcK
    Headset/Speakers Logitech X-230
    OS Windows 10 64-bit

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    Dec 2014
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    Do you have any offset for AVX?
    I think I also have a good sample 5GHz AVX on 1.27V max temps at Prime95 (with AVX) SmallFFT 85C. Other programms (OCCT, Asus Realbench, IBT) with AVX enabled passes tests with 1.25V, only Prime95 cause BSOD after about 10 mins. So I suggest you to test your CPU with Prime95 AVX enabled in smallFFT to be sure it's fully stable. But Prime95 heavily load CPU and produces massive amount of heat. In other programms with AVX tests on 5GHz 1.27V temps were about 72C only.

    On other try, I set 5GHz (AVX offset -2) and 1.23V and it's also fully stable. Prime95 (with AVX) temps stops about 78C.
    Maybe I can get 5.5GHz

    My score in BIOS average is 160-170. Max I've reached was 191. But for me this is not a determinant, because in normal use my fans spinning around 800 rpms and even under game load don't spin faster, keeping temps under 70C. 191 pts I get when testing at full rpm (2000) speed, but suggested voltage for 5GHz AVX wasn't stable.
    Last edited by michalmx0; 12-04-2018 at 02:21 AM.

  3. #3
    ROG Guru: Grand Master Array HiVizMan's Avatar
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    Nice CPU buddy - you pushed the IMC yet to see how that plays out?
    To help us help you - please provide as much information about your system and the problem as possible.

  4. #4
    ROG Junior Member Array michalmx0 PC Specs
    michalmx0 PC Specs
    Laptop (Model)Dell XPS 13 9350 (i7, 16GB RAM, 1TB NVMe, UHD+)
    MotherboardASUS ROG MAXIMUS XI FORMULA
    ProcessorIntel Core i9-9900K @5GHz (AVX) 1.27V + EK-Supremacy EVO RED Edition
    Memory (part number)G.Skill Trident Z RGB 2x8GB DDR4 3600MHz CL16 @4000MHz CL17 1.4V
    Graphics Card #1MSI GTX 980 Gaming 4G @1475/7800 + EK-FC980 GTX TF5 Acetal+Nickel
    Graphics Card #2MSI GTX 980 Gaming 4G @1475/7800 + EK-FC980 GTX TF5 Acetal+Nickel
    MonitorLG D2342P 3D
    Storage #1Samusng 970 EVO 500GB
    Storage #2Seagate SSHD 2TB + Samsung SpinPoint M9T 2TB
    CPU CoolerCustom LC: EK-D5 PWM + Black Ice 360 30mm (top) + Alphacool 280 45mm (front)
    CaseBitfenix Pandora ATX
    Power SupplySuper Flower Leadex Gold 850W
    Keyboard Razer Blackwidow X Chroma
    Mouse Razer Mamba Elite 4G
    Headset Razer Kraken 7.1 V2
    Mouse Pad Steelseries QcK
    Headset/Speakers Logitech X-230
    OS Windows 10 64-bit

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    Dec 2014
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    Currently running G.Skill Trident Z RGB 2x8GB 3600MHz CL16 at 4000MHz 18-18-18-40 1.35V, VCCIO 1.15V, VCCSA 1.2V without problems. It needs some more testing, but seems to be stable.
    Last edited by michalmx0; 12-05-2018 at 02:51 AM.

  5. #5
    Administrator Array Silent Scone@ASUS's Avatar
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    5GHz at 1.27v under load is a very good CPU. In contrast using the Formula XI, my tray sample needs1.34v (Adaptive mode UEFI) @ LLC6 for 5GHZ and in excess of 1.4V for 5.1GHz

  6. #6
    ROG Guru: Grand Master Array HiVizMan's Avatar
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    Quote Originally Posted by michalmx0 View Post
    Currently running G.Skill Trident Z RGB 2x8GB 3600MHz CL16 at 4000MHz 18-18-18-40 1.35V, VCCIO 1.15V, VCCSA 1.2V without problems. It needs some more testing, but seems to be stable.
    You have struck the silicone lottery matey. Enjoy your baby and keep posting up your memory results. Be interested in performance figures especially if you are tweaking the third tier of settings. That is where I found all my gains in performance.
    To help us help you - please provide as much information about your system and the problem as possible.

  7. #7
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    Did you also use a small ffu's or aida fpu stress test with it?

    I got with my i9 9900k a score of 167 points, but with the FPU test it reaches > 90 oC, the boost never went higher than 4800mhz, generally, I'm rather disappointed, especially since it's a custom loop that only cools the cpu and mainboard pch (XI Formula). It's all on stock, btw.

  8. #8
    ROG Guru: Blue Belt Array mdzcpa PC Specs
    mdzcpa PC Specs
    MotherboardMaximus Hero XI
    Processor9900k @ 5.1Ghz All Core 1.315v AVX -2
    Memory (part number)Gskill GTZ 4133 C17 32GB (4x8GB)
    Graphics Card #1ROG Strix 2080 TI OC
    Sound CardOn Board
    MonitorROG PG348Q
    Storage #1Samsung 970 Pro M.2 512GB for OS & APPS
    Storage #2Samsung 970 Pro M.2 1TB for GAMES
    CPU CoolerROG Ryujin 360
    CasePhanteks Evolv X
    Power SupplySeasonic Prime 1000W Titanium
    Keyboard Corsair K70 LUX RGB
    Mouse Corsair M65 RGB
    Headset Corsaur VOID Pro
    Mouse Pad Corsair MM300 Wide Desk Mat
    OS WIN 10 Pro
    Network RouterLinksys VELOP
    Accessory #1 ROG 751JY Laptop for Moobile Gaming
    Accessory #2 Koolance EXC-800 Chiller
    Accessory #3 25+ years of overclocking

    Join Date
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    Quote Originally Posted by michalmx0 View Post
    Do you have any offset for AVX?
    I think I also have a good sample 5GHz AVX on 1.27V max temps at Prime95 (with AVX) SmallFFT 85C. Other programms (OCCT, Asus Realbench, IBT) with AVX enabled passes tests with 1.25V, only Prime95 cause BSOD after about 10 mins. So I suggest you to test your CPU with Prime95 AVX enabled in smallFFT to be sure it's fully stable. But Prime95 heavily load CPU and produces massive amount of heat. In other programms with AVX tests on 5GHz 1.27V temps were about 72C only.

    On other try, I set 5GHz (AVX offset -2) and 1.23V and it's also fully stable. Prime95 (with AVX) temps stops about 78C.
    Maybe I can get 5.5GHz

    My score in BIOS average is 160-170. Max I've reached was 191. But for me this is not a determinant, because in normal use my fans spinning around 800 rpms and even under game load don't spin faster, keeping temps under 70C. 191 pts I get when testing at full rpm (2000) speed, but suggested voltage for 5GHz AVX wasn't stable.

    You have a great chip. A bit better than mine for sure!! Congrats!

    With my 5.1 Ghz OC I was running an offset of -1, so 5Ghz for AVX at 1.28v. CPU package diode does hit 83c under AVX Prime Small FFT.

    I have now reached 5.2ghz stable with an AVX offset of -2 at 1.315v. AVX Small FFT hits 88c now. But surprisingly my cooler score has now jumped to 207 after benching for a few hours at these speeds. I haven't been able to get AVX Small FFT Prime stable for more than 20 minutes at more than 5Ghz all core with voltage under 1.35v. So I'm not going to push it. I'm also holding my RAM at 4000 C17. If this is where I top out I'd be a very happy camper.


    Currently sitting at 5.2GHZ @ 1.315 AVX -2, LLC6, Adaptive Voltage, RAM at 4000 17-17-17

    Click image for larger version. 

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ID:	77530
    Last edited by mdzcpa; 12-09-2018 at 12:21 AM.

  9. #9
    New ROGer Array
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    Quote Originally Posted by mdzcpa View Post
    You have a great chip. A bit better than mine for sure!! Congrats!

    With my 5.1 Ghz OC I was running an offset of -1, so 5Ghz for AVX at 1.28v. CPU package diode does hit 83c under AVX Prime Small FFT.

    I have now reached 5.2ghz stable with an AVX offset of -2 at 1.315v. AVX Small FFT hits 88c now. But surprisingly my cooler score has now jumped to 207 after benching for a few hours at these speeds. I haven't been able to get AVX Small FFT Prime stable for more than 20 minutes at more than 5Ghz all core with voltage under 1.35v. So I'm not going to push it. I'm also holding my RAM at 4000 C17. If this is where I top out I'd be a very happy camper.


    Currently sitting at 5.2GHZ @ 1.315 AVX -2, LLC6, Adaptive Voltage, RAM at 4000 17-17-17

    Click image for larger version. 

Name:	521 ghz 4000.png 
Views:	6 
Size:	320.8 KB 
ID:	77530
    Don't mind me asking, But where did u plug in your Ryujin 360? on the AIO pump header or CPU fan header?
    Been trying to experiment around the fan curves, but every time i run the Fan tuning on AI suite while its on CPU FAN header, its overheating and stops mid way.

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