Question 1660 V4 ES unlocked !

[Tyemcho]

hi everyone my name is Gio. recently i purchased 1660 V4 ES unlocked version Which is basically 6900K. i managed to overclock it up to 3.9 on my Rampage V extreme motherboard. Core Voltage is 1.19 Adaptive, also when i stess test it CPUZ shows different voltage which is 1.275. i'm uning OCCT at this point cpu is stable, temps are ok cuz i have Custom Water cooling setup. I want to push limits and overclock it up to 4.2. should i exceed 1.35 volts? I've read that its not recommended to go over 1.35 on Brodwell cpus. i have not touched CPU cache ratio or cache voltage or PPL stuff i dont know this much can someone help me?

at 3.9ghz with 1.19 Core Voltage (adaptive) this cpu is stable, i tested in Intel Burn Test. OCCT, Cinebench, LINX
right now i set at 4.0ghz 1.34 Core Voltage (adaptive) and cant get is stable in OCCT,LINX,Intel Burn Test

can someone tell me what settings should i tweak?

 

[legolas_tk]

Next step, you should incrementally increase the Core voltage of +0.01V (1.34 -> 1.35V for example). Then you should test until stability is achieved. When stability is achieved, you can increase to 4.2Ghz and than repeat the last step of Core voltage of 0.0.1V.

 

[Tyemcho]

Next step, you should incrementally increase the Core voltage of +0.01V (1.34 -> 1.35V for example). Then you should test until stability is achieved. When stability is achieved, you can increase to 4.2Ghz and than repeat the last step of Core voltage of 0.0.1V.

i tried but i guess core voltage is not enough. should i touch cache ratio? there are tons of options to tweak. what to enable and disable i'm not quite sure :/

 

[Shmee]

I am not sure if it will help or not, but you could try the offset mode for vcore, I seem to have had more luck with it in overclocking my 5930k. I would keep under 1.3v if possible with that chip. If it is not stable with that it might just be not a good OCer.

Again, try with offset or manual input mode first for Vcore, see if that helps. Also may need to adjust Vdroop control.

 

[Jism]

I'm no intel expert but i do know that some boards have by default a Current limit going on. You could easily test with disable 1 or 2 cores. When it passes the settings your looking at a current or heat limit and not just a not working OC.

 

[NTMBK]

You know that buying an ES is probably illegal, right?

 

[Topweasel]

You know that buying an ES is probably illegal, right?

Wow, first nothing is "Illegal" This isn't a car manufacturer selling a pre-production car (that is illegal). What ever this is it's a civil matter. What this is, is that at some point whether it's this seller or one ten steps ago, someone broke a contract that they had with the Manufacturer. That responsibility doesn't follow the chip it's whole life it ends at the original seller. It's not anything to buy an ES.

 

[Tyemcho]

You know that buying an ES is probably illegal, right?

who cares? i'm from Georgia.In my country these kind of things are not regulated yet. Even if you download pirated content or hack windows license no one give a redacted

One thing that we give a [heck] about is users following
the forum posting guidelines; which includes no profanity
(even abbreviated) in the tech forums. We also do not
allow the discussion of pirated software.

https://forums.anandtech.com/threads/anandtech-forum-guidelines.60552/

AT Mod Usandthem

 

[Shmee]

Hey everyone, lets try to keep this on topic, just try to focus on the technical aspects of this.

 

[Tyemcho]

I've upgraded my Water Cooling Loop to keep cpu cold, I also managed to hit CB r15 Score upto 1791

CPU Core Ratio 42 V1.39
CPU Cache Ratio 36 V1.32
CPU Input voltage 1.95


ram speed 2666 (cant get any higher)


cpu is unstable at any stress test like Prime 95 but gaming is fine at this point.



https://valid.x86.fr/c9g25w

 

[DrMrLordX]

That's a lot of work to get a 4.2 GHz 6900k. If it works well for you, hey, enjoy your ES. Hope it doesn't have any showstopper bugs etc.

A 9900k would be a much faster chip, without as many bugs or other problems. Is there some reason why you went for an ES like this instead of a more-modern chip?

 

[Tyemcho]

That's a lot of work to get a 4.2 GHz 6900k. If it works well for you, hey, enjoy your ES. Hope it doesn't have any showstopper bugs etc.

A 9900k would be a much faster chip, without as many bugs or other problems. Is there some reason why you went for an ES like this instead of a more-modern chip?

stepping is M0 which is retail level. 4.2 is unstable in stress tests. bought Rampage V Extreme+ 1660 V4 ES for 450$ together it was good price for me + advantages of this combo is that it has 40lanes of pcie 3.0 also its Quad Channel, i am planning to add second 1080ti FTW3 in my system, 9900K has 16pcie and Dual Channel for DDR4 memory also its very hot CPU if you ask me

 

[DrMrLordX]

9900k heat can be tamed easily. That ES is chewing up more power than a 9900k at PL1 (~160W) would. But it is short on PCIe lanes.

 

[Tyemcho]

it was a big surprise for me to acheave 3200mhz on ram, i dont know why but Ripjaw V was unsuccessful to work even on XMP 2800mhz, few weeks ago i tested TridentZ RGB 3200 on my system and it worked fine! i purchased 8 kits of this ram and installed today. memory speed is reaching cpu theoretical bandwidth i dont know if i can push any further https://valid.x86.fr/uem4af 4.2