I7 4790K overclocking

[FunkyFeatures]

Hello 

I set my I7 4790K to 1.07V manual voltage, seemed stable. Now I switched over to adaptive voltage with "Additional Turbo CPU Core Voltage" set to 1.07V. Now, the voltage doesn't go below 1.148 (even IDLE), and 1.178 at load (AIDA64). Where did I mess up? I thought it was supposed to run slower, and with a lower voltage. What settings do I need to change, if I know I am stable at 1.07Vcore? It seems stuck to 4.2GHZ even at idle.

 

I used this video below to go off of, to adjust the voltages

[TechHarry]

go into the bios and check to see of you have IEST (speedstep enabled) to make your processor clockspeed is adaptive. If you are using windows you will also have to go into power settings in the control panel and change advanced power settings, there you will have to change minimum processor state from 100% to 5%. If you are refering in this post to the voltage not being adaptive when adaptive voltage is set in the bios we need to know how you are measuring these voltages because the voltage you enter in the bios is usually slightly different when read by software in OS such as cpu-z. The motherboard used is also information that will help so we can be more specific in where to change things in the bios.

 

Hope this helps.

[FunkyFeatures]

go into the bios and check to see of you have IEST (speedstep enabled) to make your processor clockspeed is adaptive. If you are using windows you will also have to go into power settings in the control panel and change advanced power settings, there you will have to change minimum processor state from 100% to 5%. If you are refering in this post to the voltage not being adaptive when adaptive voltage is set in the bios we need to know how you are measuring these voltages because the voltage you enter in the bios is usually slightly different when read by software in OS such as cpu-z. The motherboard used is also information that will help so we can be more specific in where to change things in the bios.

 

Hope this helps.

It definitely helped somewhat. The CPU now goes down to 800MHZ ad idle (however spikes quite often as soon as ANY load goes on it. Is there a way to make it less sensitive?). Intel Speedstep was enabled

 

However, at load it still says 1.178V, instead of my targeted 1.07V. I noticed, that under adaptive, "Total Adaptive mode CPU Core voltage" was set to "CPU". How come it does that? I am guessing that is what makes it request more voltage than I intend for it to use.

[arniks8]

It definitely helped somewhat. The CPU now goes down to 800MHZ ad idle (however spikes quite often as soon as ANY load goes on it. Is there a way to make it less sensitive?). Intel Speedstep was enabled

However, at load it still says 1.178V, instead of my targeted 1.07V. I noticed, that under adaptive, "Total Adaptive mode CPU Core voltage" was set to "CPU". How come it does that? I am guessing that is what makes it request more voltage than I intend for it to use.

CPU frequency spiking is normal. For adaptive voltage to be at target set max CPU turbo voltage to 1.06v and offset to + 0.01v. Also check LLC is set to 1 or off ( depending from your MB ).

[FunkyFeatures]

CPU frequency spiking is normal. For adaptive voltage to be at target set max CPU turbo voltage to 1.06v and offset to + 0.01v. Also check LLC is set to 1 or off ( depending from your MB ).

Where would LLC be on a maximus vii ranger board? I feel like i have gone through the entire uefi without finding it

It doesnt happen to be load line calibration, does it? It goes auto, level 1-9, not off derp

[arniks8]

Where would LLC be on a maximus vii ranger board? I feel like i have gone through the entire uefi without finding it

It doesnt happen to be load line calibration, does it? It goes auto, level 1-9, not off

LLC should be under DIGI+ power control( I have maximus video board ). There are some motherboards that allowed to shut down LLC.

[FunkyFeatures]

Setting LLC to 1 caused load voltage to go to 1.188, so back to the beginning again I guess.

 

 

LLC should be under DIGI+ power control( I have maximus video board ). There are some motherboards that allowed to shut down LLC.

 

[arniks8]

Setting LLC to 1 caused load voltage to go to 1.188, so back to the beginning again I guess.

Maybe CPU spread spectrum has something to do with this. Also try inputting Lower CPU voltage.

[FunkyFeatures]

Maybe CPU spread spectrum has something to do with this. Also try inputting Lower CPU voltage.

CPU Spread spectrum was on auto. Will try lowering to ~1 vcore and see what happens

[FunkyFeatures]

Maybe CPU spread spectrum has something to do with this. Also try inputting Lower CPU voltage.

It didn't affect anything to lower the adaptive voltage to 1.000V. 1.188V at load (still)

[TechHarry]

you can't change the sensitivity of the frequency or voltage changes. The only alternative is to use intel C-states which can be enabled in the bios. CPU spread spectrum should be left alone, it makes minor adjustments to the cpu frequency to account for electromagnetic interference.

[arniks8]

It didn't affect anything to lower the adaptive voltage to 1.000V. 1.188V at load (still)

I'm out of ideas.

[FunkyFeatures]

CPU Spread Spectrum didn't do anything either. Thanks for trying to help anyways

 

I am going to try and enable C-States and see what it does.

 

Update: Enabling C-States doesn't seem to do that much, maybe it fluctuates a tiny bit less, which I guess was what it was supposed to do

Could the fact that I have non-XMP memory in my system be messing with it? It is Kingston HyperX Fury 2x4GB CL10 1600MHZ. It has no XMP profile.

 

Update #2: Nope. The setting that changes between Manual, auto and XMP didn't do anything at all.

[TechHarry]

it would help if you can get us a print screen of the voltage settings that you have in the bios (uefi) then we might be able to see if anything is unusual.

[FunkyFeatures]

it would help if you can get us a print screen of the voltage settings that you have in the bios (uefi) then we might be able to see if anything is unusual.

Will do - sorry for late response. Imgur link will be edited to this post

http://imgur.com/a/uytYL

[TechHarry]

I see no problem in your bios settings, it reads 1.072 in the bios. This is the actual input voltage going into the cpu and you should trust this value over anything read through software in os. In anycase 1.072 is not a high voltage for a 4790k, my 4770k runs at 1.265v vcore on adaptive unfortunately its a bad overclocker my sample and I can only get 4.2 Ghz out of it (4.3 on a cool day with a bit more voltage).

 

There is one final thing that you can do if you really want more control over your voltage, disable turbo boost and make sure all cores are set to 4.2 Ghz and change the adaptive voltage to core voltage offset and leave the "additional for turbo" voltage at 0, that might work.

[FunkyFeatures]

I see no problem in your bios settings, it reads 1.072 in the bios. This is the actual input voltage going into the cpu and you should trust this value over anything read through software in os. In anycase 1.072 is not a high voltage for a 4790k, my 4770k runs at 1.265v vcore on adaptive unfortunately its a bad overclocker my sample and I can only get 4.2 Ghz out of it (4.3 on a cool day with a bit more voltage).

 

There is one final thing that you can do if you really want more control over your voltage, disable turbo boost and make sure all cores are set to 4.2 Ghz and change the adaptive voltage to core voltage offset and leave the "additional for turbo" voltage at 0, that might work.

That was because I switched over to manual while waiting for some solution - so the settings hadn't been changed yet. Also, getting into windows and running aida, is 10-15 degrees hotter than manual voltage - means it must be getting the voltage that the software think it does.

 

I could overclock more, but I have a Hyper 212 Evo, and prefer running below 80c while stresstesting. There is a warning about heatwaves up to 40c here in Denmark, would like to have some heatwave headroom. My winter OC is 4.6 @ 1.25Vcore - which I only really use when needed (streaming which I rarely do, or compress videos)

 

I think I heard offset voltage (you mean picking between auto, manual, offset, and adaptive right?) doesn't give any benefits over manual, as it doesn't downvolt or anything, staying at the static setting.

 

I might try and get a 4.5GHZ overclock at somewhere like 1.19 (I did a sloppy overclock of 4.5 @1.2 last I tested). Seems like it likes locking the adaptive volts to certain points - 1.19, 1.266.

Update: Tried the overclock (1.19+0.01 offset), spiked up as high as 1.296, and jumped quickly to 90c - so nothing wrong with the software monitoring - it does eat 1.3v

Update 2: Tried changing the voltage, multiplier = 45, voltage = 1.06+0.01. It ate 1.296 again, so no matter what I set it to, it decides what it needs (aka. draws too much power) and ignores what values I set it to.

[arniks8]

That was because I switched over to manual while waiting for some solution - so the settings hadn't been changed yet. Also, getting into windows and running aida, is 10-15 degrees hotter than manual voltage - means it must be getting the voltage that the software think it does.

 

I could overclock more, but I have a Hyper 212 Evo, and prefer running below 80c while stresstesting. There is a warning about heatwaves up to 40c here in Denmark, would like to have some heatwave headroom. My winter OC is 4.6 @ 1.25Vcore - which I only really use when needed (streaming which I rarely do, or compress videos)

 

I think I heard offset voltage (you mean picking between auto, manual, offset, and adaptive right?) doesn't give any benefits over manual, as it doesn't downvolt or anything, staying at the static setting.

 

I might try and get a 4.5GHZ overclock at somewhere like 1.19 (I did a sloppy overclock of 4.5 @1.2 last I tested). Seems like it likes locking the adaptive volts to certain points - 1.19, 1.266.

Update: Tried the overclock (1.19+0.01 offset), spiked up as high as 1.296, and jumped quickly to 90c - so nothing wrong with the software monitoring - it does eat 1.3v

Update 2: Tried changing the voltage, multiplier = 45, voltage = 1.06+0.01. It ate 1.296 again, so no matter what I set it to, it decides what it needs (aka. draws too much power) and ignores what values I set it to.

For me volts go higher than set at a high load. I have 1.35v set in bios, but I see spikes of 1.37. I forgot to mention it. BTW CPU current capability and CPU power phase control can raise voltage.

[FunkyFeatures]

For me volts go higher than set at a high load. I have 1.35v set in bios, but I see spikes of 1.37. I forgot to mention it. BTW CPU current capability and CPU power phase control can raise voltage.

Will be looking at those settings as soon as I get home.

 

Tried updating BIOS, also testing that out.

[TechHarry]

As I have said before I reccommend using asus realbench or another non synthetic benchmark. Using a synthetic benchmark such as prime95 or aida 64 will raise the vcore voltage when using adaptive voltage especially on haswell cpu's, this in turn raises the temperature output by a considerable degree.

 

And by offset what I meant is that in some motherboards such as asus ROG boards the adaptive voltage is entered the same way as an offset voltage not the same way as a manual voltage maximum.

[FunkyFeatures]

For me volts go higher than set at a high load. I have 1.35v set in bios, but I see spikes of 1.37. I forgot to mention it. BTW CPU current capability and CPU power phase control can raise voltage.

Didn't change anything for me unfortunately

 

As I have said before I reccommend using asus realbench or another non synthetic benchmark. Using a synthetic benchmark such as prime95 or aida 64 will raise the vcore voltage when using adaptive voltage especially on haswell cpu's, this in turn raises the temperature output by a considerable degree.

 

And by offset what I meant is that in some motherboards such as asus ROG boards the adaptive voltage is entered the same way as an offset voltage not the same way as a manual voltage maximum.

Even at idle/boot it shows 1.07+ voltages - without much stress. So it is not Aida64's fault. Also, fairly sure AIDA64 is not drawing more than it is supposed to, thats why Linus uses it.

 

How would one do an offset if they didn't know where to offset from? The previous +0.01 offset was based upon the value 1.06 - to hit 1.07. This did not work.