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post #7951 of 8005 (permalink) Old 09-20-2019, 11:28 PM
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I disabled periodic polling like suggested, also set BLCK recovery to disabled and everything looks good now, ran one hour of real bench and no fluctuations at all. Thanks for the help

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post #7952 of 8005 (permalink) Old 09-22-2019, 02:30 AM
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There was something wrong with that first 6950x I got from Microcenter from the get-go. I ended up sending it in for warranty to Intel and got another one. At the exact same settings - the new chip runs a full 20C cooler on the hottest core. So now I'm at 73C max at 4.3GHz Core with 1.3v and 3.5GHz Cache with 1.25v.

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post #7953 of 8005 (permalink) Old 09-22-2019, 11:09 AM
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Quote: Originally Posted by zoson View Post
There was something wrong with that first 6950x I got from Microcenter from the get-go. I ended up sending it in for warranty to Intel and got another one. At the exact same settings - the new chip runs a full 20C cooler on the hottest core. So now I'm at 73C max at 4.3GHz Core with 1.3v and 3.5GHz Cache with 1.25v.
20C Delta is pretty much. I suspect the old one was not soldered well. Your cache voltage is pretty high for 24/7. I let mine run with 3400 @ 1.09V.

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post #7954 of 8005 (permalink) Old 09-22-2019, 02:27 PM
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Quote: Originally Posted by MiHi76 View Post
20C Delta is pretty much. I suspect the old one was not soldered well. Your cache voltage is pretty high for 24/7. I let mine run with 3400 @ 1.09V.
The ASUS BW-E overclocking guide suggests 1.3v is the 'max' for cache. Have there been other guides suggesting a different? I do need 1.25v to be stable at 3.5GHz... I'll test next weekend to see if I can run 3.4GHz with much lower voltage...

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post #7955 of 8005 (permalink) Old 09-22-2019, 04:37 PM
 
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Quote: Originally Posted by zoson View Post
The ASUS BW-E overclocking guide suggests 1.3v is the 'max' for cache. Have there been other guides suggesting a different? I do need 1.25v to be stable at 3.5GHz... I'll test next weekend to see if I can run 3.4GHz with much lower voltage...
There have been reports of chips degrading before at those 1.3V, the gains in overclocking the cache on BW-E without an O.C. socket are weak, so it's not generally recommended.

CPU: i7-5820K @ 4.3Ghz (-0.08V/1.33V Adaptive = 1.25V); Cache: 3.9GHz (1.20V); VCCIN: 1.85V @ LLC 6 12hr x265 (AVX2) Stable
CPU: i7-6950X @ 4.0Ghz (-0.08V Offset = 1.22V); Cache: 3.2GHz (1.06V); VCCIN: 1.90V @ LLC 5 12hr x265 (AVX2) Stable
RAM: 64GB @ 3000MHz (14-14-12-31 1T, 1.35V) 12hr GSAT Stable
GPU: EVGA Hybrid GTX 1070 @ 2076MHz Core, 8.6GHz VRAM, Stock Voltage 24hr [email protected] Stable


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post #7956 of 8005 (permalink) Old 09-23-2019, 07:19 AM
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Hi,
Cache well under 1.2v.

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post #7957 of 8005 (permalink) Old 09-23-2019, 12:50 PM
 
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Quote: Originally Posted by ThrashZone View Post
Hi,
Cache well under 1.2v.
For reference, my cache is set to 3.2GHz at 1.06V, offset +0.070V on a 6950X, 3.3GHz and 3.4GHz all took increasingly larger amounts of Vring to stabilise, so not worth the trade off for me.

CPU: i7-5820K @ 4.3Ghz (-0.08V/1.33V Adaptive = 1.25V); Cache: 3.9GHz (1.20V); VCCIN: 1.85V @ LLC 6 12hr x265 (AVX2) Stable
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post #7958 of 8005 (permalink) Old 09-25-2019, 07:19 PM
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Quote: Originally Posted by Desolutional View Post
There have been reports of chips degrading before at those 1.3V, the gains in overclocking the cache on BW-E without an O.C. socket are weak, so it's not generally recommended.
I have an OC socket... lol... check the signature. RVE.

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post #7959 of 8005 (permalink) Old 09-25-2019, 10:32 PM
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Quote: Originally Posted by zoson View Post
I have an OC socket... lol... check the signature. RVE.
Yes you have a OC-Socket but Broadwell-e CPU do not have any Contacts to use the extended Socket-Contacts!
Oc Socket works only with Haswell-e.

So, you're not able to push the Broadwell-e-Cach-Freq as far as Haswell-e-Cache-Freq.

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post #7960 of 8005 (permalink) Old 09-26-2019, 07:29 AM
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Quote: Originally Posted by MiHi76 View Post
Yes you have a OC-Socket but Broadwell-e CPU do not have any Contacts to use the extended Socket-Contacts!
Oc Socket works only with Haswell-e.

So, you're not able to push the Broadwell-e-Cach-Freq as far as Haswell-e-Cache-Freq.
Ahhhh! I see. I didn't realize BW-E was missing the contacts. Well that sucks...
Anyway, so 1.25v is too high... 1.2v was mentioned earlier... Is this the recommended 'safe' max voltage? Basically I should set 1.2v and then see how high I can push my cache? I'm not short on cooling...

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