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Thread: ** OFFICIAL ** Core i5 Overclocking Results/Tips Thread

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  1. #1
    Xtreme Member
    Join Date
    Oct 2007
    Location
    ca
    Posts
    299
    mine needs a bunch more juice when going from 4.0-4.2 using 20x.. like 1.42 cpu, 1.21-2 vtt.. temps hit 80-82.. these chips are toasters.. i can get 4.4 on the turbo using 21x at about the same volts...my cooling is pretty decent but it needs another radiator and maybe a better block.. this v2 runs warm on this 4core compared to cooling my e8500 at 1.49v cpu and nb at 1.51v which never went above 65-68..
    8 years in use,, Shuttle an35n ultra, xp2500 @ 2.54, 2 x 512 g.skill, 2-3-2-5 @ 3 volts, sapphire x800 @ 525x510, e-power 520, cpu/nb on water.. SYSTEM II, Asus Maximus se, bios 1302, E8500 @4.5, 2 Hd4870's cf, Corsair tx850, 4x1 Crucial Ballistix @1141, 2x Raptor 74's. raid 0. cpu/nb on water..

  2. #2
    Xtreme Member
    Join Date
    May 2006
    Location
    Slovenia
    Posts
    213
    -Intel 3770K,
    -Gigabyte Z77 UD5H,
    -Gigabyte GTX 680 SLI,
    -16gb Corsair Vengeance,
    -SSD 128gb Kingston, 2×1TB Samsung F3,
    -Corsair 1000W
    -Z-5500@XONAR HDAV 1.3 DELUXE

  3. #3
    Registered User
    Join Date
    May 2007
    Location
    Romania
    Posts
    63
    i saw that most of the people are pushing some crazy vtt on those chips, my gigabyte mobo goes purple after 1.21 vtt, is it safe pushing 1.3+ vtt?

  4. #4
    Registered User
    Join Date
    Dec 2009
    Posts
    3
    CPU @ 4ghz / RAM @ 2000mhz
    Vcore = 1.32V
    IMC = 1.19V
    PLL = 1.8V
    VDimm = 1.61V

    Idle Temps about 38 to 42
    Load Temps about 64 (Prime95) and 72 (LinX)

    Tested stability using Prime95 and LinX

    Air Cooling...
    HAF922 Chassis and Prolimatech MegaShadow HSF
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  5. #5
    Registered User
    Join Date
    Oct 2009
    Posts
    7
    First post here, so be gentle

    I have the following setup:
    i5 750 @ 3.8GHz 19X200
    RAM @ 2000MHz
    vcore @ 1.28v
    vtt @ auto
    Gigabyte P55A-UD4P
    Cooling with Prolima Mega rev. B

    My temps are:
    Idle - 20c
    Prime95 Load at 1 hour - 42c, but one core gets to 53c

    A few questions for the experts:

    1. Should I set vtt to something or leave it on auto if it's working?

    2. Is Prime95 for 1 hour a decent load test or should I run longer before calling it stable?

    3. I'd like to go for 4 or 4.2GHz, but I understand the diminishing returns factor. Any recommendations for how far I should try and what settings I should try at the higher speeds?


    Many thanks!!

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