Intel Skylake / Kaby Lake

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TheF34RChannel

Senior member
May 18, 2017
786
309
136
That August release date was speculated in early April. Intel has not officially said anything about it. It could be August or it could be next year. Nobody really knows for sure. That's the frustrating part about all this. I need exact dates!

Maybe I'll just go ahead and build a 16 core Ryzen Threadripper system. That's getting more and more tempting by the day.

wildhorse2k has got a point to take into consideration: http://www.portvapes.co.uk/?id=Latest-exam-1Z0-876-Dumps&exid=threads/whos-buying-skylake-x.2504706/page-19#post-38919250 + higher RAM frequency support.
 

Sweepr

Diamond Member
May 12, 2006
5,148
1,142
131
Juicy info about Turbo clocks.

- Core i9-7900X: 4.3/4.3/4.1/4.1/4.1/4.1/4.0/4.0/4.0/4.0 (TB 2.0) / 4.5 (TB 3.0)

All core Turbo up by 600 MHz compared to Core i7-6950X, 1-2 core Turbo up by 800-1000 MHz.
 

TheF34RChannel

Senior member
May 18, 2017
786
309
136
Juicy info about Turbo clocks.

- Core i9-7900X: 4.3/4.3/4.1/4.1/4.1/4.1/4.0/4.0/4.0/4.0 (TB 2.0) / 4.5 (TB 3.0)

All core Turbo up by 600 MHz compared to Core i7-6950X, 1-2 core Turbo up by 800-1000 MHz.

All current information in the wild seems to surround the i9-7900X. Is there a specific reason for this that you are aware of? This needs to stop before I convince myself to buy a 10C CPU I don't need

That aside; that's some hefty clocks on a 10C part!!
 
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dullard

Elite Member
May 21, 2001
25,214
3,632
126
Intel did not reduced any price.
That is debatable. On the official MSRP, there was a tiny price decline. Although, Intel hasn't sold at MSRP for a while.

Take the bottom HEDT chip. Haswell was $389, Broadwell was $434 (although you could get it at about $389 for the last 6 months), Skylake is back to $389.

Take the next-best HEDT chip. Haswell was $583, Broadwell was $617 (although you could get it at about $599 for the last 6 months), Skylake is back to $599.

Take the next-best HEDT chip. Haswell was $999, Broadwell was $1089 (although you could get it at about $1020 for the last 3 months), Skylake is back to $999.
? Playing semantics? How much did Broadwell-E 8 core cost?
Looking at it by core only fools yourself into thinking there was a price drop. You need to look at the other features, not by core. The three bottom chips were ~$389, ~$599, and ~$999 for the last 10 years across all generations -- regardless of core counts that kept changing.
 
Reactions: beginner99

Edrick

Golden Member
Feb 18, 2010
1,939
230
106
As you for your ''Skylake-X has no AVX-512'' thread (based on dubious SiSoftware engineer sample scores), I can now confirm AVX-512 is fully enabled on Skylake-X. The chips just scale back frequency in AVX-512 mode.

Source? This is of great interest to me.
 

DrMrLordX

Lifer
Apr 27, 2000
21,813
11,168
136
We would have seen old processors with solder heating up quite regularly if that were the case.

Thank you for stating a simple fact that dismisses the notion of solder reducing the lifespan of PC processors. You would think Intel would have hesitated to solder Broadwell-E if degradation due to thermal cycling were an actual problem.

But hey there's at least one example from a scholarly paper so it could happen . . .

As far as delays with the 12c-18c products go, um, delay at your own risk Intel! That's all I have to say.
 

Bassman2003

Member
Sep 14, 2009
94
14
71
[QUOTE="Looking at it by core only fools yourself into thinking there was a price drop. You need to look at the other features, not by core. The three bottom chips were ~$389, ~$599, and ~$999 for the last 10 years across all generations -- regardless of core counts that kept changing.[/QUOTE]

I just can't agree with this line of thinking. Clearly these chips are going to perform better and offer more cores than the previous generation. And cost less.... Without the AMD comeback I would have bet that Skylake would have been the exact same as Broadwell. So do not refer to it as a "price drop" but an increase in value. More cores/performance for the same price as before. Either way. Intel has not delivered the same old same old.
 
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dullard

Elite Member
May 21, 2001
25,214
3,632
126
I just can't agree with this line of thinking. Clearly these chips are going to perform better and offer more cores than the previous generation. And cost less.... Without the AMD comeback I would have bet that Skylake would have been the exact same as Broadwell. So do not refer to it as a "price drop" but an increase in value. More cores/performance for the same price as before. Either way. Intel has not delivered the same old same old.
Yes, Intel did give better value. Intel is giving 2 more cores and a few minor tweaks.

But Intel has been giving 2 more cores every ~3 years for the last decade. You got a 2 core bump in 2006 (2007 for HEDT), 2010, 2014, and 2017 all for about the exact same price as the last chip.

So, according to your logic, the 2 more cores in Skylake-X is due to Ryzen. Then why did we get the 2 more cores the other years? Because AMD was so strong in 2014?
 
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TheF34RChannel

Senior member
May 18, 2017
786
309
136
I think the delay of the 12c-18c products is proof that these skus were not originally planned to be part of this launch and were added after AMD announced Threadripper.

Clearly! Hence, if the 14+ cores will come later alright, they will come later - which would suck for those wanting one of these. I wonder what the most sold part will be, I'm thinking it's both the i7-7820X and i9-7900X this round.
 

Bassman2003

Member
Sep 14, 2009
94
14
71
Yes, Intel did give better value. Intel is giving 2 more cores and a few minor tweaks.

But Intel has been giving 2 more cores every ~3 years for the last decade. You got a 2 core bump in 2006 (2007 for HEDT), 2010, 2014, and 2017 all for about the exact same price as the last chip.

So, according to your logic, the 2 more cores in Skylake-X is due to Ryzen. Then why did we get the 2 more cores the other years? Because AMD was so strong in 2014?

I don't disagree, but you seem to be speaking to why this has happened, not just that it happened. Actually, Intel added 2 cores last year with the 10 core chip for $1650. This year 10 cores will cost you $650 less. If you want say that is business as usual then 2018 should be even more affordable Either way you want to see it, I am happy about this turn of events even if others still want to complain.
 
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wildhorse2k

Member
May 12, 2017
180
83
71
Juicy info about Turbo clocks.

- Core i9-7900X: 4.3/4.3/4.1/4.1/4.1/4.1/4.0/4.0/4.0/4.0 (TB 2.0) / 4.5 (TB 3.0)

All core Turbo up by 600 MHz compared to Core i7-6950X, 1-2 core Turbo up by 800-1000 MHz.

This is excellent news as this CPU will be good at everything. I don't see any need to OC it as these clocks are more than sufficient for me.
 

LTC8K6

Lifer
Mar 10, 2004
28,520
1,575
126
I think the delay of the 12c-18c products is proof that these skus were not originally planned to be part of this launch and were added after AMD announced Threadripper.
Anandtech said that Intel is still tweaking them...so they are pretty much ready to go, I think.
 
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LTC8K6

Lifer
Mar 10, 2004
28,520
1,575
126
All current information in the wild seems to surround the i9-7900X. Is there a specific reason for this that you are aware of? This needs to stop before I convince myself to buy a 10C CPU I don't need

That aside; that's some hefty clocks on a 10C part!!
It's first out of the gate, IIRC.
 
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LTC8K6

Lifer
Mar 10, 2004
28,520
1,575
126
Reactions: Drazick

TheF34RChannel

Senior member
May 18, 2017
786
309
136
Juicy info about Turbo clocks.

- Core i9-7900X: 4.3/4.3/4.1/4.1/4.1/4.1/4.0/4.0/4.0/4.0 (TB 2.0) / 4.5 (TB 3.0)

All core Turbo up by 600 MHz compared to Core i7-6950X, 1-2 core Turbo up by 800-1000 MHz.

Is there any information on how this was done (what cooling, anything)? Color me intrigued!
 
Last edited:

Bouowmx

Golden Member
Nov 13, 2016
1,142
550
146
Intel Turbo Boost is stock; no user intervention. The various numbers are the CPU frequencies in GHz that all cores operate, arranged in ascending number of active cores (starting from 1).

The final "4.5" is for 2 of the best cores (indicated in BIOS or Intel TBMT 3.0 app for Windows). Processes must be affinitized to those 2 cores to use the higher frequency.
 
Reactions: Sweepr

VirtualLarry

No Lifer
Aug 25, 2001
56,453
10,120
126
Intel's real customers are laptop/tablet manufacturers and datacenter operators who could not possibly care less about this drama. As for why they do not solder their "extreme" SKUs, where do you think those come from? Desktop chips are just overclocked laptop chips, and HEDT chips are just overclocked server chips. They come from the same wafers, the same dies, and in fact, likely are the exact same batch of packaged CPUs until the final SKU determination is made. There is no way Intel will create a separate assembly line for something with non-existent sales (relative to total revenue).
As I understand it, due to mechanical constraints, among other reasons, laptop CPUs do not have a heatspreader attached. The cooling systems in laptops, are direct-to-die, on both the CPU and GPU. (Usually heatpipes, linked to a heatsink and fan elsewhere in the chassis.)
 
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TheF34RChannel

Senior member
May 18, 2017
786
309
136
It's just my opinion but I wouldn't use air cooling for any top tier chip anyway but an AIO at least.

Besides, he has 1 fan sat loosely and crooked against the tower? And look at how dirty that tower is; maybe full of nasty. Come on!
 
Last edited:

krumme

Diamond Member
Oct 9, 2009
5,956
1,595
136
https://www.youtube.com/watch?v=kyz2gkyIoXI

7900X@4.5
cinebench R15
2419 multi
198 single
temps during cinebench - 85c on air tower cooler (tragic).

Any heavy loads would send that chip into thermal throttling. Not sure how much water would help since the heat simply can't escape the die fast enough due to crappy TIM.
Tpu
"At its top overclock of 4.50 GHz, the i7-6950X achieved a Cinebench R15 score of 2327 points"

https://www.techpowerup.com/222230/intel-core-i7-6950x-tested-against-i7-5960x

What is happening with that new cache?
This is a 4% perf uplift at same freq. But i guess that is expected or what?
 
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