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  1. #1
    ROG Guru: Yellow Belt Array
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    Could you Comment my OC?

    System ;; 16 Gb corsair dominator ddr4 3300mhz , R5E, i5930K

    1) I had big trouble trying to reach 3300mhz on the ram sticks, even when rising Sa Volt there was permanent instability. So I did my ram overclocking another way:

    Reached for 2800 Mhz on the ram and draw back the timings to 14,14,14,33, 1T with core volt =1,18 and Sa Volt=1 and dram Volt =1,35- There is no instability with these values.
    Results on aida 64 memory benchmark with xms (3300mhz profile) were :: read 54074Mb/s; write 48534; copy 62131
    Results with my method are read 52965Mb/s write 49743; copy 59684

    Is this a big deal of diference?

    2) Then I went for the cpu
    With the above values I managed to go up to 105 bclk with 42 multiplier with no errors. I did not go further because I did not try, since I still had no stabiliry errors, but I had to stop because of the excessive heating.
    So in order not to fry my cpu I backed up to 105 x 40 until I get (if ever) a better cooling system. It was just to much heat beeing generated, but still I got no instability or errors.

    I gained some secs with super pi -

    So can you give this noob an opinion and maybe some sugestions?


    Last edited by Pleot; 10-06-2015 at 09:18 AM.

  2. #2
    ROG Guru: Grand Master Array
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    1. In real life, not very much. In memory benchmarks, yes.

    2. And what Vcore are you using at 4.2GHz? It would seem that you've hit the wall with your cooling.

  3. #3
    ROG Guru: White Belt Array jacks12345 PC Specs
    jacks12345 PC Specs
    MotherboardASUS Rampage V Extreme
    ProcessorIntel i7-5960X
    Memory (part number)32GB G.Skill Ripjaws V DDR4-3000 CL15 (F4-3000C15Q-32GVR)
    Graphics Card #1GTX Titan X (Pascal)
    Graphics Card #2GTX Titan X (Pascal)
    Sound CardCreative Sound Blaster Zx
    MonitorASUS ROG Swift PG278Q 144hz 1440p G-Sync
    Storage #12x (RAID 0) Intel 730 Series 480GB SSD
    Storage #2Crucial MX100 512GB SSD
    CPU CoolerCooler Master Nepton 280L
    CaseCorsair Carbide Air 540 (Silver)
    Power SupplyEVGA SuperNOVA 1300W 80+ Gold
    Keyboard G.SKILL RIPJAWS KM780 RGB Mechanical Gaming Keyboard - Cherry MX Red Switches
    Mouse G.SKILL RIPJAWS MX780 USB Wired RGB Laser Gaming Mouse
    OS Windows 10 Pro 64-bit
    Accessory #1 ASUS BC-12B1ST/BLK/B/AS
    jacks12345's Avatar
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    I'm somewhat uncertain if the CPU type has anything to do with memory (DRAM) performance (though I imagine it does), but with my 5960X and my DDR4 @ 3000 Mhz at 15-15-15-35 2T, with quad channel, this what I get with AIDA64:

    Click image for larger version. 

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    As of now, I'm running a BCLK of 125 Mhz with a 34x multiplier, though I sometimes run it at 35x, but the heat and Vcore requirement is a little high for my taste. Someone with a 5930k might be able to provide you with some better comparisons benches.
    CPU: Intel i7-5960X
    CPU Cooler: Cooler Master Nepton 280L
    RAM: 32GB G.Skill Ripjaws V DDR4-3000 CL15
    Motherboard: ASUS Rampage V Extreme
    CD/BR Drive: ASUS BC-12B1ST/BLK/B/AS
    GPU: 2x (SLI) GTX Titan X (Pascal)
    Sound: Creative Sound Blaster Zx
    SSD: (RAID 0) 2x Intel 730 Series 480GB
    SSD: (backup) Crucial MX100 512GB
    Case: Corsair Carbide Air 540 (Silver)
    PSU: EVGA SuperNOVA 1300W 80+ Gold
    Monitor: ASUS ROG Swift PG278Q 144hz 1440p G-Sync
    OS: Windows 10 Pro 64-bit

  4. #4
    ROG Guru: Yellow Belt Array
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    Quote Originally Posted by Chino View Post
    1. In real life, not very much. In memory benchmarks, yes.

    2. And what Vcore are you using at 4.2GHz? It would seem that you've hit the wall with your cooling.
    I included a pic with the bench, what do my results seem to you? Is lowering mem timings effective to achive performance?


    2. I am using vcore 1,18 - but maybe could be a little lower, not much

  5. #5
    ROG Guru: Yellow Belt Array
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    Quote Originally Posted by jacks12345 View Post
    I'm somewhat uncertain if the CPU type has anything to do with memory (DRAM) performance (though I imagine it does), but with my 5960X and my DDR4 @ 3000 Mhz at 15-15-15-35 2T, with quad channel, this what I get with AIDA64:

    As of now, I'm running a BCLK of 125 Mhz with a 34x multiplier, though I sometimes run it at 35x, but the heat and Vcore requirement is a little high for my taste. Someone with a 5930k might be able to provide you with some better comparisons benches.

    Yes, It would be very nice if I could compare with another i5930k

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