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Thread: Cannot overclock my i5-4670k




  1. #1
    Join Date
    Jun 2013
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    leeds england
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    Default Cannot overclock my i5-4670k

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    Got a 4670k and a gigabyte sniper M5 mobo and aftermarket air cooler.

    When I increase the cpu to 4.5ghz in bios and increase the cpu core voltage to 1.25 volts, when I boot into windows the cpu is at the stock 3.4ghz accoriding to CPU-Z. I've tried everything such as a lower o/c, lower volts etc but cant get past stock - what am I doing wrong ?

  2. #2
    Join Date
    Aug 2009
    Location
    Birmingham,Great Britain
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    Default Re: Cannot overclock my i5-4670k

    are you just raising the cpu multi? to 45x

    that should be enough,if it doesn't work try raising the upper turbo limits to 45x on each core
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  3. #3
    CageJ is offline Junior Member
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    Default Re: Cannot overclock my i5-4670k

    BTW I also guess there is very low voltage set...

  4. #4
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    Default Re: Cannot overclock my i5-4670k

    Quote Originally Posted by CageJ View Post
    BTW I also guess there is very low voltage set...
    I went up to 1.25v

  5. #5
    Join Date
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    Default Re: Cannot overclock my i5-4670k

    you might need more,upto 1.3v maybe even more just depends on each cpu

    keep an eye on core temps though
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  6. #6
    Join Date
    Jun 2013
    Location
    leeds england
    Posts
    12

    Default Re: Cannot overclock my i5-4670k

    1.3 is the max for haswell I believe. I dont feel comfortable going over 1.25v

  7. #7
    Join Date
    Aug 2009
    Location
    Birmingham,Great Britain
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    Default Re: Cannot overclock my i5-4670k

    try with a lower oc first say 4.2ghz and see if that applies,then move up higher later
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  8. #8
    Join Date
    Jun 2013
    Location
    leeds england
    Posts
    12

    Default Re: Cannot overclock my i5-4670k

    already done that, my point is I cant get it above stock once windows is booted, although the higher clock speed is reported in bios.

  9. #9
    Join Date
    Aug 2009
    Location
    Birmingham,Great Britain
    Posts
    9,250

    Default Re: Cannot overclock my i5-4670k

    tried with high performance power profile in windows power saving? seems strange
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  10. #10
    CageJ is offline Junior Member
    Join Date
    Feb 2013
    Location
    EU - Slovakia
    Posts
    70

    Default Re: Cannot overclock my i5-4670k

    Quote Originally Posted by rumple9 View Post
    already done that, my point is I cant get it above stock once windows is booted, although the higher clock speed is reported in bios.
    I gave you the advice, because my IB - 3570K does not want to even overclock with higher multiplier if I have low voltage set. But I am pretty sure it is a UEFI bug, not a feature.. unfortunately..

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