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Nope.. its fully locked and as far i know all of those 8c xeons ivy are locked.. you have to see the E5-1660 which if i can remember right its unlocked...
No one knows if they are unlocked as they are OEM only and AFAIK none have ever been tried in a regular X79 motherboard. Only HP and Apple have used them in their systems. Many vendors online have had listings for it for nearly a year...not one has ever had any verifiable stock on it. Since they first came out, I've searched diligently for one. I'm not willing to buy a full Mac Pro or HP Z420 to get one, however.
And isn't it possible to OC with BCLK like the 3820?
The price of the 1680v2 is even more expensive than the 5960X, it should have something special, i think.
And yes i will let you know if i bought one.
The price of the 1680v2 is even more expensive than the 5960X, it should have something special, i think.
Nobody knows for sure, as they're OEM only and I've personally yet to see one outside of a Mac Pro or Z420. If they're unlocked, it should be both multiplier and BCLK. If not, neither will work. I contacted Acmemicro about it last spring and they said the chips are on allocation, meaning they'd have to irder one and then seek an escalation to have it filled. I was quoted at least a month for delivery.
If you do get one, be sure and let us know if it is unlocked...
I thought you can OC with BCLK even if the cpu is multipler locked.
Technically, I believe it would be possible for Intel to lock the multiplier and unlock the BCLK straps, but I haven't heard of any CPU that is configured in this manner...typically CPUs enabled for overclocking will have both multiplier and BCLK straps enabled.
Then what about the I7-3820? Is that partially unlocked or what?
Well, overclocking and servers do not tend to agree. Overclocking in itself can generate instabilities, which is something servers cannot be due to the high volumes of data they handle, and they must be precise. That is why none of the s2011 Xeons can't be OCed, not even by straps. You might want to OC via pure BCLK, but as some had said, if you can get 5% more speed stable you'd be lucky.
The only reason to consider a Xeon CPU nowadays is if you really, and I mean really will use more than 6c/12t, and no, gaming or benching will not use that many cores efficiently.
Also, you can't compare the i7-3820 to any Xeon nowadays. The i7's have some circuitry either enabled or disabled compared to full blown Xeons to allow for extra capabilities, and are not meant to be compared as i7's are for "prosumers", while Xeons would be meant for "mission critical" computers.
which eons have unlocked multipliers? i mean sometimes you can force turbo speeds 24/7 but nothing really beyond that