Intel Skylake / Kaby Lake

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f2bnp

Member
May 25, 2015
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Indeed, an Intel representative just twitted happily about it, and indirectly hinted the feature is here to stay.



It should be clear by now that even Intel is divided on this, with inside forces pulling in opposite directions. I strongly believe mobo makers looked for some kind of signal from Intel (or lack of reaction) before boasting BCLK OC for non-K processors. Unfortunately Intel was undecided.

Check the dates mate, these were posted on December.
 

PPB

Golden Member
Jul 5, 2013
1,118
168
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How can you be sure that's not one of the reasons why they decoupled BCLK base clock from other clock domains?

Because it allows a more granular and higher overclock. Anyone that has ever overclocked a system knows you get the most of your chip by doing both a multiplier and base clock overclock than any of those 2 alone. That lands with the "enhanced overclocking capabilities" of skylake against earlier gens.

And sorry to burst the bubble of those thinking Intel won't react if the competition shows up with a competitive product for a similar price. Either new 'K' CPUs, improved BCLK overclock capability, higher core count for mainstream or more affordable HEDT, they have plenty of ways to respond.

Sorry to burst your bubble, but Intel will indeed react against potential competition in the future but with means that dont mess up their sku segmentation like allowing non-K overclocking. They can either move 1 tier up their whole lineup with cannonlake (Celeron 2c/2t, Pentium 2c/4, i3 4c/4t, i5 4c/8t, i7 to anything that doesnt cannibalize low end Skylake-E, etc.) and take a dump against Zen just fine. Backtracking 2 times isnt something Intel ever did, and it wont happen with Kaby Lake.
 

Sweepr

Diamond Member
May 12, 2006
5,148
1,143
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Sorry to burst your bubble, but Intel will indeed react against potential competition in the future but with means that dont mess up their sku segmentation like allowing non-K overclocking. They can either move 1 tier up their whole lineup with cannonlake (Celeron 2c/2t, Pentium 2c/4, i3 4c/4t, i5 4c/8t, i7 to anything that doesnt cannibalize low end Skylake-E, etc.) and take a dump against Zen just fine. Backtracking 2 times isnt something Intel ever did, and it wont happen with Kaby Lake.

Never said they will do it, but technically old-school BCLK OCing is possible again from Skylake onwards and it would be nice to see Intel's approval on this. And again, there's more to their recent move (microcode) than Intel's product segmentation.

It's just one of the many possibilities if there's real competition in the future. I know some people are expecting (hoping) Intel will stand still after Summit Ridge but I don't see it hapenning if AMD's claim are remotely close to true.

Realistically I believe they will reduce Broadwell-E's (rumoured) prices, with 8C/16T parts for less than $600 and even cheaper hexa-cores compared to now, before Cannonlake-S hits the market.
 
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Dufus

Senior member
Sep 20, 2010
675
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Sorry but your own post indicates the issues don't come from Intel's implementation. They decoupled BCLK base clock from other clock domains with Skylake in the first place. So there you go, I think there might be other reasons for this move, but they could enable BCLK OCs with across the Kabylake lineup if they want to.
I told you where the issues come from but from your response indicates you have not understood. Sure they could enable BCLK OC across KabyLake. They could have done the same for Skylake and/or produced every processor unlocked, but they didn't.

Lets go back to page 2 of this thread.
I saw that, but I wonder if BCLK overclocking will be limited to K SKUs?

Yes, it doesn't make that much sense do that when the K chips already have the unlocked multiplier, but that is what Intel did with Haswell and strap overclocking.

EDIT: Notice what it says under superscript 1 in the foot notes. Yep, Pretty sure that feature will be limited to K or X SKUs only.
Yep, pretty much on the ball. Next post after that
Don't read too much into it. I bet non-K Skylake gets improved BCLK overclocking too.

Lets go over power management (PM) once again. Similar effects can be noticed with earlier generations if PM is not initialized. Here's an example with Haswell.

Running Linpack with PM not initialized.


Initializing PM on the fly during the bench

Boom, temperatures, AVX2 instructions and other power management features are working.

I have seen the register reponsible for SkyLake's PM initialization on a bclk unlocked non-k Skylake thanks to a kind AT member and it's not initialized, presumably to allow the hack. I don't really know how to explain it simpler than that so if it's still not understood then just call it Intel magic.


@coercitiv, nice find, here's an updated article dated 11-Feb from Ashraf Eassa, the guy asking FP from Intel not to remove the bclk unlock loophole back in Dec.
Here's Why Intel Corp. Just Killed This Desktop Chip Feature
It's all about market segmentation.
[snip...]
http://www.fool.com/investing/gener...d-this-desktop-chip.aspx#.VrysR2tYcBc.twitter
 

jpiniero

Lifer
Oct 1, 2010
15,177
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Never said they will do it, but technically old-school BCLK OCing is possible again from Skylake onwards and it would be nice to see Intel's approval on this. And again, there's more to their recent move (microcode) than Intel's product segmentation.

Intel wants you to buy the unlocked K models, period. As to why it took them so long to block it I don't know.

An unlocked i3 doesn't really make sense since the price difference between the top bin i3 and the i5's isn't that much. Part of the reason the mainstream K models exist it seems is so they can dump leaky quad core parts there; the dual cores have no such issue since those get reserved for the Celeron and Pentium.
 

crashtech

Lifer
Jan 4, 2013
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What this whole BCLK fiasco did for me is finally push me into a HEDT system, which probably plays right into Intel's hands, but oh well. Just couldn't justify paying $419 for an unlocked quad when the 5820K is out there for less than $375.
 
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crashtech

Lifer
Jan 4, 2013
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Did you read my original post? How does the December date negate anything I wrote?
Hey, easy, I'm not looking for a fight. You used the phrase "just twitted" so I presumed, wrongly perhaps, that you might not have been aware of the latest developments. It seems to me that Intel has made up its mind against the non-K BCLK OC, are you saying something different? Maybe I don't understand you.
 
Mar 10, 2006
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What this whole BCLK fiasco did for me is finally push me into a HEDT system, which probably plays right into Intel's hands, but oh well. Just couldn't justify paying $419 for an unlocked quad when the 5820K is out there for less than $375.

Funny, I just moved away from HEDT to the mainstream for one of my systems. Will be looking to hop back on board HEDT with SKL-E, but for now both of my gaming systems are 6700K-powered.
 

crashtech

Lifer
Jan 4, 2013
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Funny, I just moved away from HEDT to the mainstream for one of my systems. Will be looking to hop back on board HEDT with SKL-E, but for now both of my gaming systems are 6700K-powered.
6700K is a really great CPU with unparalleled ST performance, but I felt the value proposition of the 5820K was better given the price differential, and there's ample evidence that most games will use the cores moving forward.
 
Mar 10, 2006
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6700K is a really great CPU with unparalleled ST performance, but I felt the value proposition of the 5820K was better given the price differential, and there's ample evidence that most games will use the cores moving forward.

Truth, I got rid of my X99 for reasons other than performance.
 

coercitiv

Diamond Member
Jan 24, 2014
6,631
14,070
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Hey, easy, I'm not looking for a fight. You used the phrase "just twitted" so I presumed, wrongly perhaps, that you might not have been aware of the latest developments. It seems to me that Intel has made up its mind against the non-K BCLK OC, are you saying something different? Maybe I don't understand you.
I used "just" as in "only", it was a slightly ironic reply, they did not promise BCLK oc but an Intel rep could not help boasting about it.

Indeed, they made up their mind now, but back in December they seemed undecided, as if some people in the company had actually considered allowing this.
 

crashtech

Lifer
Jan 4, 2013
10,582
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I used "just" as in "only", it was a slightly ironic reply, they did not promise BCLK oc but an Intel rep could not help boasting about it.

Indeed, they made up their mind now, but back in December they seemed undecided, as if some people in the company had actually considered allowing this.
They sure fooled me, I was all in on the non-K OC.
 

Dave2150

Senior member
Jan 20, 2015
639
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6700K is a really great CPU with unparalleled ST performance, but I felt the value proposition of the 5820K was better given the price differential, and there's ample evidence that most games will use the cores moving forward.

By the time any significant amount of games utilize more than 4 cores, x99 will be what a core2 duo is today.

Games are developed for the mainstream. The mainstream still has more dual cores than it does hex core enthusiast grade CPU's.

For anything to change, Intel need to release mainstream hex core CPU's. Even when they do, it will take many years for the average PC (of which games are designed for) to contain a hex core CPU, since people don't upgrade immediately.
 
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VirtualLarry

No Lifer
Aug 25, 2001
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By the time any significant amount of games utilize more than 4 cores, x99 will be what a core2 duo is today.

Games are developed for the mainstream. The mainstream still has more dual cores than it does hex core enthusiast grade CPU's.

For anything to change, Intel need to release mainstream hex core CPU's. Even when they do, it will take many years for the average PC (of which games are designed for) to contain a hex core CPU, since people don't upgrade immediately.

Games are developed for mainstream gaming rigs. Which, these days, given the requirements of AAA 2015 releases, are pretty-much all quad-core, or at the very least, quad-thread.

I agree, that we really need to see more cores than just a quad-core in Intel's mainstream CPU lineup, before we see massive software adoption of more than 4 cores, or possibly 8 threads.
 
Mar 10, 2006
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Games are developed for mainstream gaming rigs. Which, these days, given the requirements of AAA 2015 releases, are pretty-much all quad-core, or at the very least, quad-thread.

I agree, that we really need to see more cores than just a quad-core in Intel's mainstream CPU lineup, before we see massive software adoption of more than 4 cores, or possibly 8 threads.

Most AAA games are designed for the 8 core Jaguar inside of the consoles
 

ShintaiDK

Lifer
Apr 22, 2012
20,378
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Sweepr

Diamond Member
May 12, 2006
5,148
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Price Check: Intel’s Unlocked Skylake Processors for Desktops Are Getting More Affordable

Due to unprecedented demand, Intel’s latest Skylake processors with unlocked multiplier were significantly overpriced late last year. However, it would seem that more units are coming into retail as the popular Core i7-6700K and Core i5-6600K CPUs are becoming more readily available from multiple stores. As a result, actual retail prices of the chips have dropped in the U.S. retail in the recent weeks. Nonetheless, the most powerful Skylake-S is still listed above its suggested retail price.

Supply of Skylake-S Seems To Getting Better
Intel’s top-of-the-range processor for mainstream enthusiasts (before they make the step up to HEDT platforms), the Core i7-6700K (four cores with Hyper-Threading, 4.0 GHz/4.20 GHz, 8 MB cache, Intel HD Graphics 530 core, unlocked multiplier), has an MSRP of $350 according to Intel’s ARK. About six weeks ago, this processor in the US cost more than $420 at some stores, and was frequently in and out of stock of the biggest retailers.

However, this seems to be changing. Amazon currently (2/14) lists the Core i7-6700K for $365 but the chip is not in stock. According to CamelCamelCamel, a price-tracker that monitors Amazon and its partners, the Core i7-6700K was available from Amazon for $365 earlier this week, marking a significant shift in price...

For the year, high-end Core i7 microprocessors and our K SKUs for gaming, both set all-time volume records, leading to our rich product mix,” Mr. Krzanich told investors and analysts.





www.anandtech.com/show/10029/price-check-intel-skylake-6700k-6600k-february-16
 

ShintaiDK

Lifer
Apr 22, 2012
20,378
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Wow US 6700K is still ~30$+ more than regular stores here. My main hardware pusher never had it for over 370$ and been down to 355$.
 
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