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Overclocking the i7 4790k

post #1 of 7
Thread Starter 
Hello, last year I purchased an i7 4790k and a gigabyte ga-z97x sli rev 1.10 to upgrade my pc. I use it with a Cooler master seidon 120v. Currently, I'm running at 4.6Ghz and whilst there is the odd crash things seem to be relatively stable. However, if I try to push past my current multiplier I encounter crashes, usually preventing me from booting to Windows. I have messed around with the vcore setting but currently to no avail. I'm wondering if its achievable to reach higher than 4.6Ghz with this cooler and if so, how to go about it? (for reference I am using a corsair enthusiast series 650 watt PSU)

Thanks in advance
post #2 of 7
...so, what are your temps while stressing? what programs are you using to stress? what are your bios settings? Have you visited the Haswell Overclocking Guide [With Statistics]?
post #3 of 7
i7 4790K heats up quite a fair bit, my maximum overclock was 4.7 GHz because any higher would make my required cpu voltage to way too high and would heat up the CPU past 90°C easily. What is your current CPU overclock?

Is it 46x core multiplier (4.6 GHz) and 1.27v CPU core voltage?

47x may require significantly higher like even up to 1.32v or more if unlucky. How high did you try for CPU voltage on the increased multiplier?
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(19 items)
 
   
CPUMotherboardGraphicsRAM
Intel Core 2 Quad Q6600 Asustek P5Q-PRO Nvidia 9800 GTX+ Kingston DDR2 8gb 
Hard DriveOptical DriveCoolingOS
Western Digital 1 TB Pioneer Noctua NH-U9B Windows 7 Ultimate 64-bit 
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Gaming Computer
(19 items)
 
   
CPUMotherboardGraphicsRAM
Intel Core 2 Quad Q6600 Asustek P5Q-PRO Nvidia 9800 GTX+ Kingston DDR2 8gb 
Hard DriveOptical DriveCoolingOS
Western Digital 1 TB Pioneer Noctua NH-U9B Windows 7 Ultimate 64-bit 
MonitorKeyboardPowerCase
Dell Monitor Logitech G110 Antec 750W Thermaltake Aluminium Old Case 
MouseMouse PadAudio
Logitech G500 Gaming Mouse Generic Mousepad Soundblaster 5.1 VX 
  hide details  
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post #4 of 7
Thread Starter 
I'm not sure why, but it seems my voltages are abnormally high, my current Core Voltage is 1.35937500V. As far as I'm aware, it has never exceeded 75 degrees.
post #5 of 7
Thread Starter 
Thank you for the reply, I have looked at the thread and will test it out when I next have a few hours spare for stress tests
post #6 of 7
Thread Starter 
If anyone's interested I have the processor running 4.7GHz stable at 1.4v. It seems my processor is very voltage hungry as I cannot get stable below that
post #7 of 7
As long as your temps are ok, then its no problem.
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