I7 8086K OC

[Klesa]

Hi, so I OCed my 8086K to 5GHZ@1.28V and it's working just fine. I have a cooler Noctua NH-U14S and my temps don't go over 70°C while gaming and over 84°C while stresstesting with Prime 95 26.6. I just want to ask if i would be able to go higher if I delid it. I don't want to go over 70°C when gaming. And second question about silicon lottery. Is my chip average, better or worse than average? I have seen i7 8700K doing 5GHZ@1.2V . Thanks for answers and also you can share your OC result of 8086K or 8700K. 

[SenKa]

The 8086k were just 8700k's binned to boost higher, so anything that applies to the 8700K applies here.

 

Delidding will drop temps drastically.

[wildgg]

49 minutes ago, Klesa said:

Hi, so I OCed my 8086K to 5GHZ@1.28V and it's working just fine. I have a cooler Noctua NH-U14S and my temps don't go over 70°C while gaming and over 84°C while stresstesting with Prime 95 26.6. I just want to ask if i would be able to go higher if I delid it. I don't want to go over 70°C when gaming. And second question about silicon lottery. Is my chip average, better or worse than average? I have seen i7 8700K doing 5GHZ@1.2V . Thanks for answers and also you can share your OC result of 8086K or 8700K. 

8086k or a 8700k wtih a clockspeed of 5ghz using below 1.3V is really good imo. 8700k avg about 1.35V for 5ghz.

you can probably get 200mhz more out of it with the delid IF the silicon allows it on your CPU, i say 'IF' because the higher you go in clock speeds the bigger the voltage step will be in general.

so for example at 5ghz you're at 1.28, for 5.1 you might need to go to 1.35V so that's not much voltage, but for 5.2ghz you might need like 1.45V, it really depends on each CPU.

 

i would consider these things as well: pushing it beyond 5ghz is not going to gain you that much performance, it's fun to see how far you can go for sure if that's what you're looking for but i'd stick with a nice stable 5ghz and maybe delid to lower temps so you can maybe run the cooler fans at a lower rpm for noise reasons.

 

but to give a simple answer yes delidding will help you to push your CPU higher in clock speeds if your cooler is the limiting factor, if cooling isn't a issue then you will be silicon limited.

[Klesa]

1 minute ago, wildthing said:

8086k or a 8700k wtih a clockspeed of 5ghz using below 1.3V is really good imo. 8700k avg about 1.35V for 5ghz.

you can probably get 200mhz more out of it with the delid IF the silicon allows it on your CPU, i say 'IF' because the higher you go in clock speeds the bigger the voltage step will be in general.

so for example at 5ghz you're at 1.28, for 5.1 you might need to go to 1.35V so that's not much higher, but for 5.2ghz you might need like 1.45V, it really depends on each CPU.

 

i would consider these things as well: pushing it beyond 5ghz is not going to gain you that much performance, it's fun to see how far you can go for sure if that's what you're looking for but i'd stick with a nice stable 5ghz and maybe delid to lower temps so you can maybe run the cooler fans at a lower rpm for noise reasons.

 

but to give a simple answer yes delidding will help you to push your CPU higher in clock speeds if your cooler is the limiting factor, if cooling isn't a issue then you will be silicon limited.

Ok, yes 5GHZ is fine for me but I really love overclocking and it makes me really excited when i reach some even small frequenzy boost. And deliding for less noise would be pointless for me because noctua NH-U14S running at 100% makes nearly no noise.

[jones177]

I think the best way to check out your i7 8086k is to run the Cinebench single core test. This will give you a good idea of its core strength. 

One of my i7 8086k scores 216 most of the time and my other one scores 218. This score also is a good indicator of when to upgrade your CPU for gaming. 

 

I use 1.344V on an all core 5ghz overclock because that is where I started and it is very stable so I left it at that. With a Noctua NH-D15 my temps at idle average 33c and in 3D games 69c. My Prime scores are slightly higher than yours.

 

I have gone to 5.1 on them with temps about 3C higher. I don't use it because I don't need it. They don't even bottleneck my RTX 2080 tis at 1080p. The 2080 tis can run at their power limit and that is all I want right now.

 

 

[_Hustler_One_]

29 minutes ago, jones177 said:

I use 1.344V on an all core 5ghz 

My i7-8700K also run at this exact numbers, 5GHz all core at 1.344v. That's the lowest voltage I can run my CPU 5GHz all core stable.

[jones177]

2 minutes ago, _Hustler_One_ said:

My i7-8700K also run at this exact numbers, 5GHz all core at 1.344v. That's the lowest voltage I can run my CPU 5GHz all core stable.

I am a lazy overclocker, so I don't know what would happen at 1.28V. If someone told me my games would run quicker I would give it a try. All I know is that it would run cooler and heat is not a problem right now.

 

 

[Klesa]

34 minutes ago, jones177 said:

I am a lazy overclocker, so I don't know what would happen at 1.28V. If someone told me my games would run quicker I would give it a try. All I know is that it would run cooler and heat is not a problem right now.

 

 

It will also consume less power, so you will save some money.