Hi guys,
I've been reviewing these forum posts extensively as I recently began overclocking my new I7-4770k chip. I've been fairly successful, however, I have been having problems with manual mode vs adaptive mode turbo voltages in the UEFI menu ( I am using an ASUS Z87 Pro Motherboard).
Currently, I am at 4.7 GHz stable at 1.37 volts in manual mode. I have tested this with AIDA 64 running for approximately 2.5 hours. Temperatures generally average at approximately 75-78 C (peak temperatures at 85-87 C b/w the 4 cores) with cooling provided by the Cooler Master EISBERG 240L Prestige cooler. Of course, I do not run AIDA 64 with AVX instructions included, i.e- "Stress FPU test" in AIDA 64 is switched off. When I do have the "Stress FPU" box checked and the other test boxes unchecked, temperatures skyrocket and throttling begins in a few seconds. So I stick to testing without FPU calculations.
But here lies my problem. When i switch to adaptive mode and type in 1.37 volts (the same voltage where i had stability in manual mode) in the "Additional Turbo Mode CPU Core Voltage" and 0.001 volts for "CPU Core Voltage Offset", on running AIDA 64, I can see my core voltages rise up all the way to approximately 1.49 volts. As a result of this higher voltage, my temperatures rise up to the point where stability cannot be maintained. I also tried leaving the "CPU Core Voltage Offset" to Auto but I have the same results. It seems as though this extra voltage is coming from somewhere but I cannot decipher from where. Any Ideas?
Also, what do you guys think of the voltages I'm dealing with? Does 1.37 volts @4.7 Ghz stable sound too high? I know most people can hit 4.8 mhz at 1.35 V but clearly I cant. I can push for 4.8 Ghz, however, I foresee a minimum core voltage of at least 1.4 volts. I understand each chip is different but it seems as though I'm dealing with one that's below average.
Lastly, does anyone recommend adjusting the values of CPU Cache voltage or any other voltages in order to make this work?
Thanks guys. I appreciate all the help I can get.
I've been reviewing these forum posts extensively as I recently began overclocking my new I7-4770k chip. I've been fairly successful, however, I have been having problems with manual mode vs adaptive mode turbo voltages in the UEFI menu ( I am using an ASUS Z87 Pro Motherboard).
Currently, I am at 4.7 GHz stable at 1.37 volts in manual mode. I have tested this with AIDA 64 running for approximately 2.5 hours. Temperatures generally average at approximately 75-78 C (peak temperatures at 85-87 C b/w the 4 cores) with cooling provided by the Cooler Master EISBERG 240L Prestige cooler. Of course, I do not run AIDA 64 with AVX instructions included, i.e- "Stress FPU test" in AIDA 64 is switched off. When I do have the "Stress FPU" box checked and the other test boxes unchecked, temperatures skyrocket and throttling begins in a few seconds. So I stick to testing without FPU calculations.
But here lies my problem. When i switch to adaptive mode and type in 1.37 volts (the same voltage where i had stability in manual mode) in the "Additional Turbo Mode CPU Core Voltage" and 0.001 volts for "CPU Core Voltage Offset", on running AIDA 64, I can see my core voltages rise up all the way to approximately 1.49 volts. As a result of this higher voltage, my temperatures rise up to the point where stability cannot be maintained. I also tried leaving the "CPU Core Voltage Offset" to Auto but I have the same results. It seems as though this extra voltage is coming from somewhere but I cannot decipher from where. Any Ideas?
Also, what do you guys think of the voltages I'm dealing with? Does 1.37 volts @4.7 Ghz stable sound too high? I know most people can hit 4.8 mhz at 1.35 V but clearly I cant. I can push for 4.8 Ghz, however, I foresee a minimum core voltage of at least 1.4 volts. I understand each chip is different but it seems as though I'm dealing with one that's below average.
Lastly, does anyone recommend adjusting the values of CPU Cache voltage or any other voltages in order to make this work?
Thanks guys. I appreciate all the help I can get.