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i7-5820k Overclock (HELP PLZ)

post #1 of 34
Thread Starter 
Hey guys, I need some help plz
I Overclocked my i7-5820k to 4.5Mhz, I didn't try to go higher because I think 4.5 more than enough for me and I think the voltage really good at this point

i7-5820k 4.5Mhz
BCLK and Strap: 125Mhz
CPU Cache Ratio: 34
( 34* 125 = 42.5)
CPU Voltage: 1.275v
XMP Enabled RAM speed 3000Mhz

The only thing that I dont like isi dle temp, I think idle temp is high !! 45-50c ... Is it high or normal ?

but temps under 100% load 75c. real life render 65c.

CPU cooler: H110i GTX cooler.

Image
http://up.ibda3gate.com/do.php?img=5667

Plz let me if I did anything wrong or I missed some things on tweaking setting.
Thank you
post #2 of 34
The higher idle temperatures are usually due to a manual CPU voltage offset and/or Intel enhanced Intel speedstep technology along with Intel C-States like C1E, C3, C6/C7 not being used.

Note that offset is calculated by adding or subtracting from the VID on load. VID is what the CPU is requesting. VCore is what is fed to the CPU. Note that these two are different.

But for the 5820K I think VID I'd actually the Vcore. Not really sure how it works but I just adjust offset accordingly to what the VID reading is of the VID changes from that setting or otherwise VCore. Probably do need to adjust LLC if needed.

Hopefully that made sense.
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post #3 of 34
Hi there

As above yours temps will depends on what settings or what other options you have enabled in BIOS like Intel C-States and SpeedStep,do you have enabled any of those features enabled ?

Idle temp depends on more factors like ambient temp and how case is ventilated

My idle temps are in high 20's or in low 30's in 22C ambient temp,load temp on PKG is around 62-65C right now after I've tweaked my settings,that's on Noctua NH-D15,on previous Corsair H100i V2 my idle temps has been in 30's and load temps on PKG has been in 80's with fans running almost on full

Here are my settings and my temps under heavy load during the rendering in 3DS MAX



Hope this helps and good luck there

Thanks,Jura
     
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post #4 of 34
Thread Starter 
Quote:
Originally Posted by benjamen50 View Post

The higher idle temperatures are usually due to a manual CPU voltage offset and/or Intel enhanced Intel speedstep technology along with Intel C-States like C1E, C3, C6/C7 not being used.

Note that offset is calculated by adding or subtracting from the VID on load. VID is what the CPU is requesting. VCore is what is fed to the CPU. Note that these two are different.

But for the 5820K I think VID I'd actually the Vcore. Not really sure how it works but I just adjust offset accordingly to what the VID reading is of the VID changes from that setting or otherwise VCore. Probably do need to adjust LLC if needed.

Hopefully that made sense.

1st thank u 4 ur reply and helping

To be honest I really dont understand every thing from what u said.. I am noob
Where can I find "Intel speedstep technology, C1E, C3, C6, C7, LLC" and what should I Disable or Enable for better Temps

MB: ASUS X99-DELUXE/U3.1

Excuse me for noobish Questions.. and thank u again 4 your help.

I'm using Manual CPU voltage: 1.275v

So, is my idle temp high ??
post #5 of 34
These setting are all found in the BIOS. Where you hit the del key to enter BIOS right after turning on the computer.

All of those should either be on auto or enabled. Make sure the windows power plan in control panel power options is set to balanced.

For using offset / adaptive instead of manual it requires you to add a number on top of VID. For example if Max VID is 1.200v and you want to run at 1.32v via offset. A positive offset of 0.120+v would be used for example.

If an offset voltage is used. The idle voltage usually goes to 0.800v + offset because it adds from the VID. So the idle voltage would be 0.920 for example.
Edited by benjamen50 - 9/28/16 at 5:39pm
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post #6 of 34

High idle temps can be from room temps also.  Along with like above said not having C stats on.   Do you have windows power plan to max ?  You have pretty good load temps.

 

At idle with your temps in the 40c-50c range is the cpu usage at or below 1-2%?  

 

With having such good load temps i dont see why you would have such high idle temps.  I can't think if a reasonable explanation for that. 

 

Your cpuz is showing mins of in the 30s which is the normal.  What monitor program did you use to see that you had high idle temps?


Edited by Dragonsyph - 9/28/16 at 5:52pm
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post #7 of 34
Thread Starter 
Quote:
Originally Posted by benjamen50 View Post

These setting are all found in the BIOS. Where you hit the del key to enter BIOS right after turning on the computer.

All of those should either be on auto or enabled. Make sure the windows power plan in control panel power options is set to balanced.

For using offset / adaptive instead of manual it requires you to add a number on top of VID. For example if Max VID is 1.200v and you want to run at 1.32v via offset. A positive offset of 0.120+v would be used for example.

If an offset voltage is used. The idle voltage usually goes to 0.800v + offset because it adds from the VID. So the idle voltage would be 0.920 for example.

When I changed the power plan to Balanced it really helps, the temp dropped from 50c to 40c. But also the speed of my CPU decrease too much !!

Image: http://up.ibda3gate.com/do.php?img=5684

I also want to ask about CPU Cache Voltage, should I change it ? and what is the Maximum safe Cache Voltage ? like for example the Max safe Core Voltage around 1.300v

And These are all images of Bios settings, Sorry, I know too much images:
http://up.ibda3gate.com/do.php?img=5685
http://up.ibda3gate.com/do.php?img=5686
http://up.ibda3gate.com/do.php?img=5687
http://up.ibda3gate.com/do.php?img=5688
http://up.ibda3gate.com/do.php?img=5689
http://up.ibda3gate.com/do.php?img=5690
http://up.ibda3gate.com/do.php?img=5691
http://up.ibda3gate.com/do.php?img=5692
http://up.ibda3gate.com/do.php?img=5693
http://up.ibda3gate.com/do.php?img=5694

My room temperature 25c - 30c

Thank u
Edited by Basem88 - 9/28/16 at 8:24pm
post #8 of 34
The core clock fluctuates depending on load. Nothing to worry about as it will ramp up depending on CPU Utilisation.

Cache voltage only needs to be changed if the uncore / cache frequency is increased.

Cache safe range I'd say about 1.10v to 1.25v. 1.15 and 1.20v is what I use for it.
Edited by benjamen50 - 9/28/16 at 9:43pm
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post #9 of 34
Thread Starter 
Quote:
Originally Posted by benjamen50 View Post

The core clock fluctuates depending on load. Nothing to worry about as it will ramp up depending on CPU Utilisation.

Cache voltage only needs to be changed if the uncore / cache frequency is increased.

Cache safe range I'd say about 1.10v to 1.25v. 1.15 and 1.20v is what I use for it.

Min cache ratio and Max cache ratio both changed automatically to 25 when I Enabled XMP.
I changed: Min Cache Ratio: Auto
and increased: Max Cache Ratio: 34
http://up.ibda3gate.com/do.php?img=5686

But I did not touch Cache Voltage at all, its on Auto by default, as you see in this image ( http://up.ibda3gate.com/do.php?img=5688 ) its around 1.440v
Is it high ? should I decrease it manually or leave it on Auto and everything is good like this ?
post #10 of 34
When enabling X.M.P it increases some value from 100.00MHz to 125.00MHz. Forgot the name and I'm pretty sure it's not base clock.

Check what core and uncore frequency it is running right now in Operating System and I'll tell you what to change.

Use HWMonitor (Hwinfo64 works too) and/or CPU-Z to get better voltage, temperature and clock speed readings.
Edited by benjamen50 - 9/28/16 at 10:16pm
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