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Overclocking 3570K to 5Ghz, on AIR.

Discussion in 'Overclocking & Cooling' started by Arkaridge, Jul 24, 2012.

  1. Arkaridge New Member

    May 11, 2012
    6 (0.01/day)
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    Hi guys,

    I recently got myself a i5 3570K for my new rig. Apparently I got myself a good chip, since I was able to reach 4.5Ghz @ 1.12v (stable after 13 hours of Prime). I'm not too experienced with overclocking, but i learn fast. I later managed to reach 4.7, 4.8 and then 4.9Ghz @ 1.35v (max temp 84c). I'm currently trying to reach a stable 5Ghz. I can boot up and navigate around desktop fine, but as soon as I run prime or IBT, the program will 'not respond'.

    I was hoping for some tips on achieving stability without increasing VCore too much more.

    Currently, 5Ghz @ 1.38v

    50 x 100
    Spread Spectrum - Disabled
    SpeedStep - Disabled
    Turbo boost - Enabled
    Additional Turbo Voltage - Enabled
    PLL overvoltage - Enabled

    Power Saving Mode - Disabled
    Offset + 0.285
    LLC - Level 5 (highest)
    VTT - 1.085v
    PLL - 1.824v

    Here's my 5Ghz CPU-Z validation, http://valid.canardpc.com/show_oc.php?id=2448503

    My setup,

    CPU: i5 3570K
    Cooler: NZXT Havik 140
    Mobo: Asrock Z77 Extreme 4
    RAM: Corsair Vengence LP 8GB 1600mhz
    GPU: 1G Gigabyte GTX460
    PSU: Antec HCG-620 M
    Case: Antec Three Hundered Two (Modded, currently with only 1 top mounted case fan)

    I haven't really changed VTT, PLL or any of the C States. I'm thinking of disabling C3 and C6, will this improve stability?

    5Ghz seems soo close. Any advice would be greatly appreciated! =O
  2. OneMoar

    OneMoar New Member

    Apr 9, 2010
    2,401 (1.63/day)
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    you need to get the temps down below 70c if you want 5Ghz
    not all chips will do 5Ghz and the 3750ks don't clock as well as say a 2500k
    and you are gonna need at least 1.40v to get to 5 by the voltage curve you listed more vtt would't hurt either but keep it under 1.9 same for pll
    pll beyond 1.89v = fried
    Arkaridge says thanks.
  3. Protagonist


    Sep 7, 2010
    713 (0.54/day)
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    Here is my i7-3770 not any where close to 5GHz but I'm happy with it running with the rated turbo speeds 3.9GHz for 1 or 2 Cores, 3.8GHz for 3 Cores & 3.7GHz for 4 Cores

    I know it can easily run up to 4.3GHz tho its a non K chip, i had a glitch in the previous bios that had it running at 4.3GHz till i updated to the recent bios that fixed the glitch.

  4. Arkaridge New Member

    May 11, 2012
    6 (0.01/day)
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    Thanks for the advice. I'll add some extra in-take fans on my case, hopefully it'll help 3-4 degrees. Do you have a recommendation for a limit on VTT?

    I'm still not sure about disabling C-states and maybe trying to increase BCLK rather than multiplier for the last .1Ghz.
  5. gopal


    Jun 25, 2012
    1,027 (1.55/day)
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    Patna, Bihar, India, Asia, Earth, Terron System, M
    You need CPU cooler not case coolers.
    Corsair H60 will be nice it will keep temp to 65C

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