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  1. #11
    ROG Guru: Brown Belt Array NemesisChild PC Specs
    NemesisChild PC Specs
    MotherboardASUS Maximus X Hero (WI-FI AC)
    ProcessorIntel i7 8700K
    Memory (part number)G.Skill F4-3600C16D-16GTZR
    Graphics Card #1Nvidia GTX 1070 Ti FE
    Graphics Card #2Nvidia GTX 1070 Ti FE
    MonitorASUS ROG Swift PG278Q
    Storage #1Samsung 970 PRO 512GB NVMe M.2
    Storage #2WD Black 2TB 7200 RPM 64MB Cache
    CPU CoolerNZXT Kraken X42
    CaseCooler Master HAF 932 Advanced
    Power SupplyEVGA SuperNova 1200 P2
    Keyboard Logitech G910 Orion Spark
    Mouse Logitech G703 Wireless
    Headset Logitech G Pro
    Mouse Pad SteelSeries
    OS Windows 10 Home x64 (UEFI)
    Network RouterLinksys WRT1900AC
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    Up to 1.40v should be fine for a 24/7 system.
    Intel i7 8700K@ 5.2GHz (Delidded)
    ASUS Maximus X Hero (Bios 1801)
    NZXT Kraken X42
    G.Skill TridentZ@ 4000MHz CL16 2x8GB
    SLI: 2x Nvidia GTX 1070 Ti FE@ 2025/2025MHz
    OS: Samsung 970 PRO 512GB NVMe M.2
    Storage: Samsung 960 EVO 500GB NVMe M.2
    Storage: 2x Samsung 850 EVO 500GB
    Storage: WD Black 7200 RPM 64MB Cache 2TB
    EVGA SuperNova 1200 P2
    Cooler Master HAF 932 Advanced

  2. #12
    ROG Guru: Black Belt Array Korth PC Specs
    Korth PC Specs
    MotherboardASUS X99 R5E (BIOS2101/1902)
    ProcessorHaswell-EP E5-1680-3 SR20H/R2 (4.4GHz)
    Memory (part number)Vengeance LPX 4x8GB SS DDR4-3000 (CMK32GX4M4C3000C15)
    Graphics Card #1NVIDIA Quadro GP100GL/16GB, 16xPCIe3, NVLink1 (SLI-HB)
    Graphics Card #2NVIDIA Quadro GP100GL/16GB, 16xPCIe3, NVLink1 (SLI-HB)
    Sound CardJDS Labs O2+ODAC (RevB), USB2 UAC1
    MonitorASUS PG278Q
    Storage #1Samsung 850 PRO 512GB SSDs, 4xSATA3 RAID0
    Storage #2Comay BladeDrive E28 3200GB SSD, 8xPCIe2
    CPU CoolerRaijintek NEMESIS/TISIS, AS5, 2xNH-A14
    CaseObsidian 750D (original), 6xNH-A14
    Power SupplyZalman/FSP ZM1250 Platinum
    Headset Pilot P51 PTT *modded*
    OS Arch, Gentoo, Win7x64, Win10x64
    Network RouterActiontec T3200M VDSL2 Gateway
    Accessory #1 TP-Link AC1900 Archer T9E, 1xPCIe
    Accessory #2 ASUS/Infineon SLB9635 TPM (TT1.2/FW3.19)
    Accessory #3 ASUS OC Panel I (FW0501)
    Korth's Avatar
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    Quote Originally Posted by kaptanedi View Post
    There is a balance between CPU frequency and ram frequency. How high is the maximum MHz ram speed with the CPU with 5.2GHz speed?
    I hope I'm not opening a can of worms here ...

    But my understanding is that in practice extreme memory speeds (say > DDR4-3000) really have no impact on most actual system performances, apps, or gaming.
    Certainly DDR4-3000 is better (for pretty much everything) than DDR4-2133.
    Certainly that DDR4-4266+ will pimp up synthetic benchmark scores and reduce WinRAR compression times, etc - but it won't load or stream web content faster, give you more gaming fps, or make an already-snappy machine seem more quick and responsive when doing stuff in the OS - the bottleneck on those tasks is usually memory capacity (not speed), or storage speed, or network speed, or GPU speed, or CPU speed. There's no point in oversaturating the hardware/bus bandwidths and overworking some parts to gain a little when balancing things out with less effort can gain more.

    That being said, I think that CPU speed should have priority over RAM speed when you reach the point where there's a forced tradeoff.
    Last edited by Korth; 08-11-2018 at 07:54 PM.
    "All opinions are not equal. Some are a very great deal more robust, sophisticated and well supported in logic and argument than others." - Douglas Adams

    [/Korth]

  3. #13
    Administrator Array Silent Scone@ASUS's Avatar
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    I think he's referencing older systems where matching FSB with memory frequency was relatively important. Obviously, this isn't applicable anymore.

  4. #14
    ROG Guru: Black Belt Array Korth PC Specs
    Korth PC Specs
    MotherboardASUS X99 R5E (BIOS2101/1902)
    ProcessorHaswell-EP E5-1680-3 SR20H/R2 (4.4GHz)
    Memory (part number)Vengeance LPX 4x8GB SS DDR4-3000 (CMK32GX4M4C3000C15)
    Graphics Card #1NVIDIA Quadro GP100GL/16GB, 16xPCIe3, NVLink1 (SLI-HB)
    Graphics Card #2NVIDIA Quadro GP100GL/16GB, 16xPCIe3, NVLink1 (SLI-HB)
    Sound CardJDS Labs O2+ODAC (RevB), USB2 UAC1
    MonitorASUS PG278Q
    Storage #1Samsung 850 PRO 512GB SSDs, 4xSATA3 RAID0
    Storage #2Comay BladeDrive E28 3200GB SSD, 8xPCIe2
    CPU CoolerRaijintek NEMESIS/TISIS, AS5, 2xNH-A14
    CaseObsidian 750D (original), 6xNH-A14
    Power SupplyZalman/FSP ZM1250 Platinum
    Headset Pilot P51 PTT *modded*
    OS Arch, Gentoo, Win7x64, Win10x64
    Network RouterActiontec T3200M VDSL2 Gateway
    Accessory #1 TP-Link AC1900 Archer T9E, 1xPCIe
    Accessory #2 ASUS/Infineon SLB9635 TPM (TT1.2/FW3.19)
    Accessory #3 ASUS OC Panel I (FW0501)
    Korth's Avatar
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    @Silent Scone ... yeah, I guess I'm an "older" user who favours "older" approaches, lol. I still believe that real observed performances are more meaningful than ideal calculated benchmark scores, lol.
    "All opinions are not equal. Some are a very great deal more robust, sophisticated and well supported in logic and argument than others." - Douglas Adams

    [/Korth]

  5. #15
    Administrator Array Silent Scone@ASUS's Avatar
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    Quote Originally Posted by Korth View Post
    @Silent Scone ... yeah, I guess I'm an "older" user who favours "older" approaches, lol. I still believe that real observed performances are more meaningful than ideal calculated benchmark scores, lol.
    I was meaning this this:

    Quote Originally Posted by kaptanedi View Post
    There is a balance between CPU frequency and ram frequency. How high is the maximum MHz ram speed with the CPU with 5.2GHz speed?

  6. #16
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    I see a lot of "enthusiasts" around here.
    Folks, please keep in mind the following:

    1) Intel guarantees up to DDR4-2666 for Core i7 8700K
    https://ark.intel.com/products/12668...up-to-4_70-GHz
    XMP is CPU IMC overclocking, undertiming and overvolting (faulty activities anyway).
    Intel does not guarantee the results for any XMP profile.

    2) You are wasting your time with memory overclocking.
    In the real world, the performances boost from 2666 to 4000 is less than 1% !!!
    https://www.techpowerup.com/reviews/...alysis/10.html

  7. #17
    ROG Guru: Yellow Belt Array kaptanedi PC Specs
    kaptanedi PC Specs
    Motherboardmaximus viii formula
    Processor6700k
    Memory (part number)16gb
    Graphics Card #1gtx980 kingpin
    Storage #1samsun 950 pro
    Storage #2corsair force 3 120gb
    CPU Coolerek xtx360+xtx240 64mm
    Casecorsair c70
    Power Supplycorsair ax860i
    Keyboard logitech g710+
    Mouse logitech g502
    OS win 10 64bit

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    Quote Originally Posted by RemusM View Post
    I see a lot of "enthusiasts" around here.
    Folks, please keep in mind the following:

    1) Intel guarantees up to DDR4-2666 for Core i7 8700K
    https://ark.intel.com/products/12668...up-to-4_70-GHz
    XMP is CPU IMC overclocking, undertiming and overvolting (faulty activities anyway).
    Intel does not guarantee the results for any XMP profile.

    2) You are wasting your time with memory overclocking.
    In the real world, the performances boost from 2666 to 4000 is less than 1% !!!
    https://www.techpowerup.com/reviews/...alysis/10.html
    the problem is that in xpm profile the system is switched off and on and the automatic i / o s / a voltage is adjusted and at both it is almost 1.3v. I do not know whether the system will be unstable if I pull it down manually. Who made this adjustment?

  8. #18
    Administrator Array Silent Scone@ASUS's Avatar
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    Quote Originally Posted by RemusM View Post
    I see a lot of "enthusiasts" around here.
    Folks, please keep in mind the following:

    1) Intel guarantees up to DDR4-2666 for Core i7 8700K
    https://ark.intel.com/products/12668...up-to-4_70-GHz
    XMP is CPU IMC overclocking, undertiming and overvolting (faulty activities anyway).
    Intel does not guarantee the results for any XMP profile.

    2) You are wasting your time with memory overclocking.
    In the real world, the performances boost from 2666 to 4000 is less than 1% !!!
    https://www.techpowerup.com/reviews/...alysis/10.html
    With the incredibly lax timings used in that chart (and that's just the primary timings), it's bound to be less than 1%.

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