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Broadwell-E Binning - Page 7

post #61 of 133
Quote:
Originally Posted by Silicon Lottery View Post

Quote:
Originally Posted by stargate125645 View Post

Shouldn't the 8-core require more voltage than the 6-core?

These voltages were chosen because they get us around 75C on the average sample with our H105s. (There are of course exceptions, some chips are much cooler and warmer than others)

8 cores and 10 cores put out much more heat than 6 cores.
It seemed like you stated you needed more voltage to get to 4.5GHz on a 6-core chip than you did for the 8-core chip, which is counter-intuitive. That is what I am trying to figure out an explanation for. Perhaps I misunderstood and you meant you will try for 4.5GHz with those voltages being the maximum you will go to achieve that frequency?
Edited by stargate125645 - 6/29/16 at 12:18pm
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post #62 of 133
Quote:
Originally Posted by stargate125645 View Post

It seemed like you stated you needed more voltage to get to 4.5GHz on a 6-core chip than you did for the 8-core chip, which is counter-intuitive. That is what I am trying to figure out an explanation for. Perhaps I misunderstood and you meant you will try for 4.5GHz with those voltages being the maximum you will go to achieve that frequency?

You're misunderstanding his post. He isn't determining what voltage to put on the page by what the REQUIRED voltage is. He determines what voltage to write on the page by how HOT they get!


This is why each page says "OR LOWER" on it, because the actual voltage shown is just a placeholder. For example, i ordered a 4.4ghz 6800K @ 1.344v (or less) from them, but it's almost guaranteed that the actual required voltage for him to get 4.4ghz was less; perhaps 1.325v, perhaps 1.333v etc..etc.. which is what the "or lower" is for. The reason he picks a standard placeholder voltage (i assume from his statements here and to me in the past) is that it correlates to 75C temps on the average chip of that bin.


For example: On a 6850K 6 core, it gets to 75C for him at ~1.424v, but on the 8 core which gets hotter much quicker he hits 75C at 1.392v or so. THIS is why he chose those voltages, the HEAT! They actually don't mean that you NEED that much voltage to hit that clock speed necessarily, which is why he places "or lower" after each voltage listed on the page.
Edited by DarkIdeals - 6/29/16 at 12:43pm
 
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post #63 of 133
Thread Starter 
Quote:
Originally Posted by stargate125645 View Post

It seemed like you stated you needed more voltage to get to 4.5GHz on a 6-core chip than you did for the 8-core chip, which is counter-intuitive. That is what I am trying to figure out an explanation for. Perhaps I misunderstood and you meant you will try for 4.5GHz with those voltages being the maximum you will go to achieve that frequency?

Pretty much as DarkIdeals said above. Those are the voltages we will be testing at, not what a particular processor needs.
post #64 of 133
Any idea of an ETA on the next batch of 6900Ks?
post #65 of 133
Thread Starter 
Quote:
Originally Posted by Pyrolol View Post

Any idea of an ETA on the next batch of 6900Ks?

Should have some up on Thursday.
post #66 of 133
Thread Starter 
A couple 4.5 6850Ks will be going up on site in a bit. There were no 4.5s in the 6900K or 6950X this round just as before.

More 6800Ks will be tested next week and I expect to find a couple 4.5s there as well with the new voltage range.
post #67 of 133
Oh darn! Should of waited longer. I just ordered a 4.4 6850K from you. Bugger lol.
post #68 of 133
Thread Starter 
Quote:
Originally Posted by DeeJay View Post

Oh darn! Should of waited longer. I just ordered a 4.4 6850K from you. Bugger lol.

Keep in mind your 6850K was tested at a lower voltage, wouldn't hurt to try bumping it up to 4.5 (although these chips love to slam against that voltage wall.)
post #69 of 133
Awwww, the wait for a magical 4.5 (with the greatest luck a 4.6) 6900K continues. frown.gif
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post #70 of 133
Quote:
Originally Posted by Silicon Lottery View Post

Keep in mind your 6850K was tested at a lower voltage, wouldn't hurt to try bumping it up to 4.5 (although these chips love to slam against that voltage wall.)
I wanted to buy a 6850K for my wife's rig that's 4.4GHz+ with around 1.35v. Have you seen any of these chips around pass by your hands or am I looking for an imaginary friend type CPU? I really don't want anything that's close to 1.4v.
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