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Thread: First Timer, looking for feedback on i5-4670K voltage

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    Default First Timer, looking for feedback on i5-4670K voltage

    OC Result: 4.6Ghz @ 1.325v
    Temp: 60C

    Stress Test software: AIDA64 Extreme and CINEBENCH
    Result: stable

    MB: ASUS z97-PRO wi-fi AC
    Cooler: Thermaltake 3.0 Extreme

    Newbie questions:
    Is 1.325v is a safe voltage for this chip? Any effect on CPU life?

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    Default Re: First Timer, looking for feedback on i5-4670K voltage

    WELCOME TO PUREOC .


  3. #3
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    CPU: i5-4670K
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    Default Re: First Timer, looking for feedback on i5-4670K voltage

    Thank you!! Awesome forum...I learned tons. Any thought on the voltage?

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    Default Re: First Timer, looking for feedback on i5-4670K voltage

    Your Voltage is fine I am assuming that 60 degrees was during your stress test how are your temps during normal usage?

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    Default Re: First Timer, looking for feedback on i5-4670K voltage

    Your Vcore is OK, you can try to lover it one by one notch, just don't forget to stress at least 0.5 hour your CPU every time you change the VCore.

    Always look beyond the limits...

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    Default Re: First Timer, looking for feedback on i5-4670K voltage

    Thanks, guys. Glad I asked the experts. The 4.6Ghz setting failed the 30-min stress test (AIDA64 Extreme).

    I tried the following scenarios and they all failed.
    Core Multiplier=46; Min Cache=Auto; Max Cache=Auto; Vcore=1.325; Vcache=Auto
    Core Multiplier=46; Min Cache=44; Max Cache=44; Vcore=1.325; Vcache=Auto
    Core Multiplier=46; Min Cache=43; Max Cache=43; Vcore=1.325; Vcache=Auto
    Core Multiplier=46; Min Cache=42; Max Cache=42; Vcore=1.325; Vcache=Auto
    Core Multiplier=46; Min Cache=42; Max Cache=42; Vcore=1.330; Vcache=Auto

    I never exceeded 80C temp with these scenarios, but they didn't pass stress tests, reboot randomly, crash during windows boot.

    So, I am now back to Core Multiplier=45; Min Cache=44; Max Cache=44; Vcore=1.285; Vcache=Auto. This is the last stable setting.

    Any suggestion to reach a stable 4.6Ghz?

    PS: I am using XMP profile #1, DDR3-1866, 1.5V.

  7. #7
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    CPU: i5-4670K
    M/B: ASUS Z97-PRO WI-FI AC
    RAM: G.SKILL ARES 8Ghz (2 x 4Ghz) DDR3-1866
    GPU: Integrated Intel Graphics 4600
    • adriant42's Full Spec's
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    Default Re: First Timer, looking for feedback on i5-4670K voltage

    OK, I made it stable. I removed XMP profile and increase Vcore to 1.330. I ran AIDA64 stress test for 35 minutes.

    Core Multiplier=46; Min Cache=43; Max Cache=43; Vcore=1.330; Vcache=Auto

    During stress test:
    Max. Temp = 71-75
    Avg. Temp = 60-63

    During idle:
    Avg. Temp = 29-32

    What do you guys think? Is 1.330v safe?

    How much performance do I lose if I am not using XMP? Is 4.6Ghz with DDR3-1600 better than 4.5Ghz with DDR3-1866?

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    Default Re: First Timer, looking for feedback on i5-4670K voltage

    Your temps are good, if your CPU needs that VCore 1.330, that's it, there is no dangerous, you're safe. You can always manually set your DRAM to 1866MHz instead of XMP profile.

    Always look beyond the limits...

  9. #9
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    CPU: i5-4670K
    M/B: ASUS Z97-PRO WI-FI AC
    RAM: G.SKILL ARES 8Ghz (2 x 4Ghz) DDR3-1866
    GPU: Integrated Intel Graphics 4600
    • adriant42's Full Spec's
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    Default Re: First Timer, looking for feedback on i5-4670K voltage

    Thanks. I think I have a new problem now.

    According to articles and videos that I have diligently studied, I can now switched to Adaptive mode. I am using ASUS Z97-PRO WI-FI AC board. I have kept the maximum Vcore to 1.330. My system is unstable, however. I am getting random reboot and windows crashing.

    What is the problem? Why can't I use Adaptive and get the same stability? Note, I have run 35-min stress test when I was on Manual and everything went well.

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