Overclocking the 8086k?

[farmfowls]

So I'm waiting on my 8086k that should be here soon and in the meantime I've been watching videos on how to Overclock. I've never overclocked before and want to start out by putting the 8086k to 5 on all cores. Now I'm really new to all of this and want things to go smoothly.

 

I watched this vid: 

 

But I'm still quite confused. I don't really know which setting is doing what or what I should be doing in my specific case. All I want to accomplish is 5.0 on all cores 24/7 with as cool of temperatures as I can get. Are there any easier overclocking guides that tell me step by step what to do? Like try this and then try this and if this happens go back and do this over again etc?  

[Airdragonz]

Start off by syncing all cores in BIOS to 5ghz. Set voltages low, maybe around 1.35v on manual mode. Leave everything else the same and try booting. If you don't get a BSOD, great, now use a cpu stressing tool like Prime95 or Aida64 and see how stable it is. Give it a good 20-30 minutes. If it doesn't crash, then you got a somewhat stable overclock. Test it in some games maybe just to be sure. If it's all good, then go back to BIOS, set voltage to around 1.36-1.37v on adaptive mode and you're all set. Now let's say you can't boot, or you get a BSOD, or your computer crashes while stress testing it. Reboot to the BIOS and bump the voltage up a little (around 0.01-0.005v each time) and just keep repeating the process till your oc is stable. I recommend not touching any other setting for now. Safest 24/7 voltage I'll go with is 1.4v but you should definitely be able to keep it way under on an 8086k. 

[DarkSmith2]

On 7/20/2018 at 8:06 PM, farmfowls said:

So I'm waiting on my 8086k that should be here soon and in the meantime I've been watching videos on how to Overclock. I've never overclocked before and want to start out by putting the 8086k to 5 on all cores. Now I'm really new to all of this and want things to go smoothly.

 

I watched this vid: 

 

But I'm still quite confused. I don't really know which setting is doing what or what I should be doing in my specific case. All I want to accomplish is 5.0 on all cores 24/7 with as cool of temperatures as I can get. Are there any easier overclocking guides that tell me step by step what to do? Like try this and then try this and if this happens go back and do this over again etc?  

this will work though, easy but you would have to adjust some things. 

First thing: AVX offset isnt necessary

Second: I wouldnt start with 1.35v vcore.

 

For everything else you can just take a pen and write down what settings he has set in this video. quite easy.

[farmfowls]

On 7/20/2018 at 8:19 PM, DarkSmith2 said:

this will work though, easy but you would have to adjust some things. 

First thing: AVX offset isnt necessary

Second: I wouldnt start with 1.35v vcore.

 

For everything else you can just take a pen and write down what settings he has set in this video. quite easy.

And is 1.35 the highest I should go? As you said before, 1.35 and above, then I should delid. 

 

The other guy said I was not supposed to use XMP. What is the difference? 

 

And what is the difference in following that guide where he changes a bunch of other settings and following what Airdragonz said?

[DarkSmith2]

5 minutes ago, farmfowls said:

And is 1.35 the highest I should go? As you said before, 1.35 and above, then I should delid. 

Yea thats what i would estimate.

[Toysrme]

Use XMP on a daily. It's truly not worth the effort to manually adjust timings.

Keep the voltage under 1.52v; that's the Intel voltage limit for processors made on the 14nm process. All CPU's on this process love to scale clock rates with voltages. Keep the temps in check. You don't want to see the chip hitting 100c and throttling itself.
If you delid it with liquid metal and a decent 240mm AIO cooler, it'll run no less than 5.2ghz. The question is the voltage to get there (and above as many will run 5.4-5.6)

[DarkSmith2]

19 hours ago, farmfowls said:

The other guy said I was not supposed to use XMP. What is the difference? 

 

And what is the difference in following that guide where he changes a bunch of other settings and following what Airdragonz said?

For the start it is fine to use XMP, chances are high that those XMP settings are stable. You could also just use jedec standard settings which are slower before tuning into RAM OC yourself or further RAM stability testing. You can do it in different ways, but you'll easily manage this, CPU OC isnt that hard.

[jones177]

Hi

That is the only test I did with my i7 8086k.

Sync all cores in the bios & it is done. 
On my rig the temps go up 5c. So idle goes for 31c to 36c.

It is a 5ghz chip. 
It is like setting a i7 8700k to 4.7ghz on all cores. Not really overclocking.

If you want more, do a manual overclock.

My temps on playing 3D games & running Firstrike are in the 80s with a noctua nh-d15.  

In Firestrike, my physics score goes from 19032 stock to 20884 with frame rate at 66.30.

 

In my games the difference between stock & syncing all cores is 6fps. The difference between my really good i7 8700k & my i7 8086k is 1fps. 

 

To run a more than 5ghz on all cores, I would need a better cooling solution.  

[Froody129]

9 hours ago, Toysrme said:

Use XMP on a daily. It's truly not worth the effort to manually adjust timings.

Keep the voltage under 1.52v; that's the Intel voltage limit for processors made on the 14nm process. All CPU's on this process love to scale clock rates with voltages. Keep the temps in check. You don't want to see the chip hitting 100c and throttling itself.
If you delid it with liquid metal and a decent 240mm AIO cooler, it'll run no less than 5.2ghz. The question is the voltage to get there (and above as many will run 5.4-5.6)

This is not true.

 

1.52 is the limit. 1.35 is about as high as you'd want to go on a daily OC. You also can't guarantee clocks with a delid and a cooler. It might run cool but the silicon lottery is a thing. 

 

@OP I would start at 1.35 at 5GHz. Most of them hit that. If it's stable just keep dropping the voltage incrementally until it's not. 

 

[Duskie]

I've got an 8086k running at 5.3Ghz 1.344v myself with a -1 AVX offset, and from seeing other experiences most 8086k's will be able to run at or above 5Ghz with 1.35v, as recommended above. It is a decent starting point. (A fair chunk of them can also do 5Ghz around 1.25v too, so do keep that in mind.)

 

I'm not sure how LLC works on ASUS boards, but I have it set to maximum on my ASRock Z370 Fatal1ty Professional Gaming i7. I'd recommend doing the same to avoid vdroop.

 

You will likely need a delid for anything above 1.3v to run stress tests, as mine was getting to 86c+ without a delid during realbench at 5Ghz; though it may be fine for things like games.

[DarkSmith2]

54 minutes ago, Flitter said:

I'm not sure how LLC works on ASUS boards, but I have it set to maximum on my ASRock Z370 Fatal1ty Professional Gaming i7. I'd recommend doing the same to avoid vdroop.

On most asus boards you have to decide between level 6 which mostly does a slight overshoot or level 5 which mostly does a slight undershoot, when using manual vcore voltage.

[Toysrme]

@Froody129It's absolutely true.

1.52v is the highest voltage allowed by the default microcode for Kaby and Coffeelake. The worst chips off the production line WILL USE a voltage of 1.52v and still reach the full Intel lifespan which for 14nm targets 12 years. That's why it's in the default microcode... That's why the average motherboard doesn't warn you about voltage until after you exceed 1.52v. Because it's safe for the chips to run... If you want to actually kill one of the chips outright, an i7-7700k or i7-8700k will die at 1.9-1.95v (Killed several in the last two years extreme overclocking). You want a long-term problem? Run one at 1.7-1.8v. 1.52v is the spec for a reason. Comparing to days gone by, the 250nm lifespan target was 20 years. We've halved the target lifespan.

You'll also note this reality from Intel is reflected in most of the automatic overclocking profiles in current motherboards which will run up to 1.52v to hit a relatively low 5.0-5.2ghz. Why? Because that voltage is still in spec and perfectly safe for the chips... They're designed to run up to that if they need too.

Don't confuse Kaby/Coffeelake's voltage with Haswell and earlier which wanted to stay under 1.48v daily.

 

 

 

 

Furthermore, I absolutely can guarantee the clock rates. I've bought, delidded, binned & sold over over a gross of i7-7700/8700 in the last two years. I buy 10-20 lots at a time. My breakdown is as follows:

3/20 (15%) chips are head and shoulders above the average chip.  They'll BTD at 5.6ghz and run any software at 5.4ghz.

13/20 (65%) are average. BTD at 5.4ghz, run all software at 5.2-5.3ghz.

4/20 (20%) are not great, but WILL run any software 5.2ghz stable.
Every chip will run 5ghz without touching voltage beyond LLC-1, every chip will run 4.9ghz out of the box touching nothing.


This process simply loves voltage. Daily driving them at 1.48v is beyond fine. 1.52v is perfectly fine if you can keep the chip temps fine for throttling.




It's not 2012 anymore. People really need to get off of myths and get on with data.

[jones177]

I did some tests with the i7 8086k on a ASUS Rog Maximus x Hero.

It seems if you sync all cores it sets it to the boost clock. 

 

Stock

ASUS Rog Maximus x Hero sync all cors

Der8auer 5ghz overclock

 

 

The Sync all cores max temp is a bit high because I ran the CPU-Z bench.

[farmfowls]

23 hours ago, jones177 said:

I did some tests with the i7 8086k on a ASUS Rog Maximus x Hero.

It seems if you sync all cores it sets it to the boost clock. 

 

Stock

ASUS Rog Maximus x Hero sync all cors

Der8auer 5ghz overclock

 

The Sync all cores max temp is a bit high because I ran the CPU-Z bench.

So a 1 click OC defaults to 1.47? 

[jones177]

If you mean the sync all cores on the Maximus Hero then yes. I ran it for 3 weeks. Totally stable. The temps are 6c over stock.

The manual overclock to 5ghz is only 2c over stock. Highest temp in gaming was 81c. Highest temp in Pime95 was 90c.

 

I am keeping the 5ghz manual overclock on for now. There are no negatives on air with no delid. 

Since I am on a 4k 60hz monitor & all bottlenecks are GPU I have no reason to go higher. 

[farmfowls]

1 hour ago, jones177 said:

If you mean the sync all cores on the Maximus Hero then yes. I ran it for 3 weeks. Totally stable. The temps are 6c over stock.

The manual overclock to 5ghz is only 2c over stock. Highest temp in gaming was 81c. Highest temp in Pime95 was 90c.

 

I am keeping the 5ghz manual overclock on for now. There are no negatives on air with no delid. 

Since I am on a 4k 60hz monitor & all bottlenecks are GPU I have no reason to go higher. 

81? Isn't that a bit high? And for the manual OC did you just follow Der8auer's video? 

[farmfowls]

On 7/20/2018 at 9:14 PM, Airdragonz said:

Start off by syncing all cores in BIOS to 5ghz. Set voltages low, maybe around 1.35v on manual mode. Leave everything else the same and try booting. If you don't get a BSOD, great, now use a cpu stressing tool like Prime95 or Aida64 and see how stable it is. Give it a good 20-30 minutes. If it doesn't crash, then you got a somewhat stable overclock. Test it in some games maybe just to be sure. If it's all good, then go back to BIOS, set voltage to around 1.36-1.37v on adaptive mode and you're all set. Now let's say you can't boot, or you get a BSOD, or your computer crashes while stress testing it. Reboot to the BIOS and bump the voltage up a little (around 0.01-0.005v each time) and just keep repeating the process till your oc is stable. I recommend not touching any other setting for now. Safest 24/7 voltage I'll go with is 1.4v but you should definitely be able to keep it way under on an 8086k. 

 

On 7/21/2018 at 6:27 AM, Toysrme said:

Use XMP on a daily. It's truly not worth the effort to manually adjust timings.

Keep the voltage under 1.52v; that's the Intel voltage limit for processors made on the 14nm process. All CPU's on this process love to scale clock rates with voltages. Keep the temps in check. You don't want to see the chip hitting 100c and throttling itself.
If you delid it with liquid metal and a decent 240mm AIO cooler, it'll run no less than 5.2ghz. The question is the voltage to get there (and above as many will run 5.4-5.6)

 

On 7/21/2018 at 10:16 AM, DarkSmith2 said:

For the start it is fine to use XMP, chances are high that those XMP settings are stable. You could also just use jedec standard settings which are slower before tuning into RAM OC yourself or further RAM stability testing. You can do it in different ways, but you'll easily manage this, CPU OC isnt that hard.

 

On 7/21/2018 at 2:52 PM, jones177 said:

Hi

That is the only test I did with my i7 8086k.

Sync all cores in the bios & it is done. 
On my rig the temps go up 5c. So idle goes for 31c to 36c.

It is a 5ghz chip. 
It is like setting a i7 8700k to 4.7ghz on all cores. Not really overclocking.

If you want more, do a manual overclock.

My temps on playing 3D games & running Firstrike are in the 80s with a noctua nh-d15.  

In Firestrike, my physics score goes from 19032 stock to 20884 with frame rate at 66.30.

 

In my games the difference between stock & syncing all cores is 6fps. The difference between my really good i7 8700k & my i7 8086k is 1fps. 

 

To run a more than 5ghz on all cores, I would need a better cooling solution.  

 

On 7/21/2018 at 4:02 PM, Froody129 said:

This is not true.

 

1.52 is the limit. 1.35 is about as high as you'd want to go on a daily OC. You also can't guarantee clocks with a delid and a cooler. It might run cool but the silicon lottery is a thing. 

 

@OP I would start at 1.35 at 5GHz. Most of them hit that. If it's stable just keep dropping the voltage incrementally until it's not. 

 

 

On 7/21/2018 at 4:31 PM, Flitter said:

I've got an 8086k running at 5.3Ghz 1.344v myself with a -1 AVX offset, and from seeing other experiences most 8086k's will be able to run at or above 5Ghz with 1.35v, as recommended above. It is a decent starting point. (A fair chunk of them can also do 5Ghz around 1.25v too, so do keep that in mind.)

 

I'm not sure how LLC works on ASUS boards, but I have it set to maximum on my ASRock Z370 Fatal1ty Professional Gaming i7. I'd recommend doing the same to avoid vdroop.

 

You will likely need a delid for anything above 1.3v to run stress tests, as mine was getting to 86c+ without a delid during realbench at 5Ghz; though it may be fine for things like games.

 

So out of all of these options, which would be the best given my experience? One day when I have time and the ability, I hope to further to OC a little further and may delid if it is necessary. For now I just want to go to 5. Should I follow one of these vids, changing all of those settings and then the voltage and ghz? Or should I just change voltage and 5ghz and forget about all of those other settings (What is the difference anyway)? Or should I XMP? There are so many options and I'm not sure what the best choice would be.

 

I want to set it to 5ghz and play any game I throw at it. I would like it near 70 degrees under load while gaming if I could but I have a feeling that may be a little to much wishful thinking? 

[jones177]

47 minutes ago, farmfowls said:

81? Isn't that a bit high? And for the manual OC did you just follow Der8auer's video? 

The game I run is a modded Fallout 4 that got my stock i7 6700k to 98c on a intel tower cooler. The game is the reason I went to a Noctua NH-D15 to keep temps down.

The game also does not like overclocks so I test with it after Prime95.

 

Yes. I used the exact settings.

 

[Ebony Falcon]

dellid it, 1.35v 5ghz all core sync and no avx is a good starting point 

[farmfowls]

4 hours ago, Ebony Falcon said:

dellid it, 1.35v 5ghz all core sync and no avx is a good starting point 

I'd rather wait to delid it. I just want to hit 5. stable. 

[Globespy]

On 7/22/2018 at 7:58 AM, Toysrme said:

@Froody129It's absolutely true.

1.52v is the highest voltage allowed by the default microcode for Kaby and Coffeelake. The worst chips off the production line WILL USE a voltage of 1.52v and still reach the full Intel lifespan which for 14nm targets 12 years. That's why it's in the default microcode... That's why the average motherboard doesn't warn you about voltage until after you exceed 1.52v. Because it's safe for the chips to run... If you want to actually kill one of the chips outright, an i7-7700k or i7-8700k will die at 1.9-1.95v (Killed several in the last two years extreme overclocking). You want a long-term problem? Run one at 1.7-1.8v. 1.52v is the spec for a reason. Comparing to days gone by, the 250nm lifespan target was 20 years. We've halved the target lifespan.

You'll also note this reality from Intel is reflected in most of the automatic overclocking profiles in current motherboards which will run up to 1.52v to hit a relatively low 5.0-5.2ghz. Why? Because that voltage is still in spec and perfectly safe for the chips... They're designed to run up to that if they need too.

Don't confuse Kaby/Coffeelake's voltage with Haswell and earlier which wanted to stay under 1.48v daily.

 

 

 

 

Furthermore, I absolutely can guarantee the clock rates. I've bought, delidded, binned & sold over over a gross of i7-7700/8700 in the last two years. I buy 10-20 lots at a time. My breakdown is as follows:

3/20 (15%) chips are head and shoulders above the average chip.  They'll BTD at 5.6ghz and run any software at 5.4ghz.

13/20 (65%) are average. BTD at 5.4ghz, run all software at 5.2-5.3ghz.

4/20 (20%) are not great, but WILL run any software 5.2ghz stable.
Every chip will run 5ghz without touching voltage beyond LLC-1, every chip will run 4.9ghz out of the box touching nothing.


This process simply loves voltage. Daily driving them at 1.48v is beyond fine. 1.52v is perfectly fine if you can keep the chip temps fine for throttling.




It's not 2012 anymore. People really need to get off of myths and get on with data.

Great post and makes sense to me.

Why would intel post 1.52V if they expected CPU's to die or degrade quickly at that voltage?
And I'm sure that is Intel being conservative so chances are they could go a little higher, but the legal team likely ensured they covered their ass!

 

The same applies to motherboard manufacturers who's 'auto-overclocking' options tend to run voltage much higher than an experienced manual overclocker would. But they too are covering their asses so there's no way they would allow the BIOS to run unsafe voltages because that comes back on them.

 

I read so much about "you must not go above 1.35V" and I take this advice with a grain of salt as it comes from old timers who are basing this on older architectures and back to the day when people actually kept PC builds for 5-8 years as a 'normal' life expectancy.

 

I doubt many enthusiasts/gamers keep their builds more than 2-3 years, and degradation is unlikely during that time if kept within intel specs.

 

On a personal note, I have a 8086K that will do 5ghz at 1.33V 24/7 on all cores, 5.1ghz at 1.37V on all cores, but seems to really struggle to achieve 5.2ghz without bumping voltages to 1.42-1.43V which isn't a good trade off IMHO for that paltry 100mhz. I use a Corsair 150i Pro AIO which is an 'ok' cooler.
I haven't delidded, as delidding will only help with temps, but won't change the voltage requirements of this chip. 
If I could get this thing to 5.3-5.4ghz under 1.5V then I would consider delidding to control temps, but it's a catch 22 situation here as I won't ever know until I delid as the temps would be too high under stress testing without the delid.

 

Maybe when the warranty is up I'll delid, but most likely will have moved on from Coffee Lake by then.