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  1. #1
    ROG Guru: Yellow Belt Array Sverre PC Specs
    Sverre PC Specs
    MotherboardAsus Maximus X Formula
    ProcessorIntel Core i7-8700K
    Memory (part number)CMD16GX4M4B3200C15
    Graphics Card #1ROG Poseidon GeForce® GTX 1080 Ti
    Graphics Card #2ROG Poseidon GeForce® GTX 1080 Ti
    Monitor1 x Asus 27" LED FreeSync MG278Q + 2 x Benq XL2420T
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    Storage #2D-drive: Force Series LS 480GB
    CPU CoolerEK-Supremacy MX
    CaseCooler Master Cosmos C700P
    Power SupplyCorsair AX1500i
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    Mouse Corsair Gaming M65 Pro RGB FSP
    Headset Logitech G930
    Mouse Pad Built into the computer table
    Headset/Speakers Logitech z906
    OS Windows 10 pro 64-bit
    Network RouterZyxel P8702N
    Accessory #1 Several HDD’s 1, 2 and 3 TB
    Accessory #2 Aquaero 6xt + a lot of water cooling stuff.
    Accessory #3 UPS BlueWalker PW UPS VI 2200 SH

    Join Date
    Apr 2012

    Overclocking vs stability

    Intel 5960x
    Rampage V Extreme

    I can easily OC my CPU to 45/44 with AI Suite II, but it will constantly crash on Prime95. I have to reduce it to 40 before Prime95 gets stable (24 hour test). My RAM (Corsair Dominator Platinum 3200) is stable at 3200, according to Prime95. No matter what stress test I use, except Prime95, it shows that the CPU is stable at 45/44. I can OC it to 46 if I up the core voltage to 1.35v and maybe even furter if I did some research in OC'ing, but it's too much of a hassle. With Prime95 the CPU will run at 85C to 105C, but the water (with Aida64 CPU, RAM and GPU) doesn't get seriously hot (35'ish) if I keep the room temp at 25C or lower.

    My questions is: reading the forums about Prime95 and OC'ing, crashing in Prime95 shows that your CPU isn't able to run at that speed and that you will corrupt the data on your PC, over time. I would think that Windows (10 64 pro) had some safeguards built in to check that what it saved was correct, so that that statement would be void, is that correct, or will I have to downclock it to 4GHz?

  2. #2
    ROG 師傅 Array Arne Saknussemm PC Specs
    Arne Saknussemm PC Specs
    Laptop (Model)Laptop?...No way! (Model?...Jun Amaki...yes way!)
    ProcessorTHREADRIPPER 1920X
    Memory (part number)F4-3200C14Q-32GVK
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    Graphics Card #2SLI is dead to me
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    Sound CardXonar Essence STX
    MonitorASUS ROG Swift PG279Q
    Storage #1Samsung 950 PRO
    Storage #22x OCZ VERTEX 3/2x WD Caviar Black 500GB / 2x WD RED 2TB
    CPU CoolerCustom Loop: Dual D5s, Dual Alphacool Monsta 480s, XSPC Raystorm Neo TR4, EK TitanX WaterBlock
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    Accessory #1 Umm...nice tie?
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    Arne Saknussemm's Avatar
    Join Date
    Apr 2012

    If I were you I would forget P95 for stability testing and use RealBench. Much better stress test, since it stresses all subsystems of the PC. It is also kinder to your CPU on current load and temps.

    The premise and supposition in your question are both false. Key point is an OC that is not stable is not worth anything at all... better run stock.

    OCing Cache is next to worthless...running 44 cache probably takes quite a bit of voltage to be rock stable and brings zero performance gain in anything but synthetic benchmarks. I run 40 just for the hell of it...but really stock would be fine.

    Concentrate on a stable RAM OC and stable Core OC ....4.4GHz is often the sweet spot for these CPUs around 1.2v
    Last edited by Arne Saknussemm; 03-17-2017 at 01:32 PM.

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