Comments on: Intel Core i9 Announced: 18-core Skylake-X, Kaby Lake-X and X299 https://pcper.com/2017/05/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/ A Leader in PC Hardware Reviews and News Sat, 27 Apr 2019 03:00:29 +0000 hourly 1 By: tatakai https://pcper.com/2017/05/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/comment-page-1/#comment-99331 Fri, 02 Jun 2017 01:07:00 +0000 https://pcper.com/review/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/#comment-99331 In reply to Xebec.

can anyone confirm how intels
can anyone confirm how intels turbo works? I see people assuming that 4.3 is going to be all cores but I have seen it mentioned as 2 cores and 4.5 as preferred core (1 core). It also doesn’t seem to be a sustained number based on the description.

Some gamers are going to opt for intel just because. Already see a guy calling the 1800x a disappointment and planning to buy $150 more 7820k even tho its going to clock lower than a 7700k and hes calling the 1800x a disappointment because of a completely single threaded game.

edit: saw the information about the 1 or 2 cores for max turbo 3. Seems strange if all core turbo is 4.3. whats with the base clock then? Under what condition does it go to that clock? my experience with haswell was it went to the base clock with all cores active. Seems something to be investigated. If its all cores, how long will it stay at that frequency for all cores?

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By: Hood https://pcper.com/2017/05/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/comment-page-1/#comment-99328 Thu, 01 Jun 2017 01:47:35 +0000 https://pcper.com/review/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/#comment-99328 In reply to JefferyD90.

Someone posts a comment like
Someone posts a comment like this every time AMD releases a part that comes anywhere near Intel’s performance. And someone always says “vote with your wallet”, as if people are supposed to buy inferior products just to show “them” that “we don’t like your higher priced parts, even though they perform much better”. Give me a break! Yeah, buddy, it’s all a big conspiracy designed to fool you and make you part with your money. It’s called free enterprise and an efficient business model…

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By: Casper042 https://pcper.com/2017/05/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/comment-page-1/#comment-99280 Wed, 31 May 2017 03:20:28 +0000 https://pcper.com/review/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/#comment-99280 I think its somewhat obvious
I think its somewhat obvious the cache is 1.375 MB per core based on the Skylake X parts.
If so that would mean 24.75 MB of L3 cache for the 18 core.
Makes me wonder if it’s 1.5MB of cache with room for defects to be disabled.

I also think the high end parts won’t be capped at 165W.
There is rumor of the Xeon processors going up to 205W

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By: elites2012 https://pcper.com/2017/05/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/comment-page-1/#comment-99268 Wed, 31 May 2017 01:05:54 +0000 https://pcper.com/review/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/#comment-99268 leave it to intel to rip
leave it to intel to rip their consumers a knew one again. you build it, they will stupidly come.

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By: Allyn Malventano https://pcper.com/2017/05/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/comment-page-1/#comment-99265 Tue, 30 May 2017 23:41:11 +0000 https://pcper.com/review/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/#comment-99265 In reply to JefferyD90.

You’re foolish to believe

You're foolish to believe that if AMD were in the same position, that they would not have gone for similar margins. The purpose of a publicly traded company is to turn a profit for their shareholders. When a company has a corner on the market, they can and will increase their margins if the market can bear it.

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By: JefferyD90 https://pcper.com/2017/05/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/comment-page-1/#comment-99258 Tue, 30 May 2017 21:49:35 +0000 https://pcper.com/review/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/#comment-99258 I think this is just outright
I think this is just outright proof that Intel had been kneecapping their products just to skim margins… Their 8 core part dropped almost 40% in price in just 1 generation. I doubt that has ever been done before. And on their top product, they added about 10-20% efficiency AND added 50% compute power.

Be sure to vote with your wallet people. If you support this idea, give Intel your money. If you don’t support what they’ve done, then you need to make sure they see this.

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By: Xebec https://pcper.com/2017/05/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/comment-page-1/#comment-99257 Tue, 30 May 2017 20:52:22 +0000 https://pcper.com/review/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/#comment-99257 In reply to madison214.

The “but” is always cost to
The “but” is always cost to manufacture.. (i.e. keep die size down).

However, Skylake-X’s per-core L2 cache is now 4x size (1MB vs 1/4MB), and the L3 is ‘non inclusive’ meaning it doesn’t always have the same data as the L2. This may improve IPC a little further over a standard broadwell/skylake cache setup..

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By: Xebec https://pcper.com/2017/05/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/comment-page-1/#comment-99256 Tue, 30 May 2017 20:49:45 +0000 https://pcper.com/review/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/#comment-99256 In reply to StephanS.

Skylake generally offers
Skylake generally offers 5-10% more IPC / thread at the same clock as Ryzen (and Broadwell). Combined with the higher clocks (turbo boost 2.0 = 4.3 GHz for the 8 core.. vs. ~ 3.7 ghz all core turbo on Ryzen 7) and possibly even higher IPC from the 1MB L2 cache, the 7820x is almost certainly going to be noticeably faster than 1800X stock vs stock..

That said i wouldn’t be surprised if 1800X was still = or more power efficient per performance..

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By: StephanS https://pcper.com/2017/05/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/comment-page-1/#comment-99254 Tue, 30 May 2017 19:49:55 +0000 https://pcper.com/review/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/#comment-99254 In reply to Ryan Shrout.

The 95w 1800x seem to have
The 95w 1800x seem to have settled at $450 (amazon) and seem to have the same base clock as the $600 140w 7820X

I believe in heavy multitasking (specially rendering) they deliver similar performance when equally clocked.

So it would be interesting if the 1800x match the 7820x in cinebench, but at the same time does it using less energy ?

But most likely the 7820x wont be compared with the $450 1800x,
but with a similarly priced 1955X X399 Ryzen (3.6ghz base 10 core)

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By: madison214 https://pcper.com/2017/05/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/comment-page-1/#comment-99253 Tue, 30 May 2017 19:46:18 +0000 https://pcper.com/review/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/#comment-99253 Good News for the Intel
Good News for the Intel crowd, “but” I want to know more about reducing the L3 cache by a third and the increase in latency between the cores! Why is there always a “but” with Intel?

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By: StephanS https://pcper.com/2017/05/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/comment-page-1/#comment-99252 Tue, 30 May 2017 19:39:58 +0000 https://pcper.com/review/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/#comment-99252 Core i7-7800X vs Core
Core i7-7800X vs Core i7-7740X that is an interest position for buyers.

Also the $620 6 core 6850K seem to have no replacement. If you want more then 28pcie lanes you now have to spend $1000 minimum.

So Intel dropped prices by 15% for the 6 core 28pcie model
But also introduced an 8 core 28pcie model at the same price.

It seem to me Intel had to do a lot of pricing gymnastic in this release to have the lineup make sense.

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By: Ryan Shrout https://pcper.com/2017/05/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/comment-page-1/#comment-99248 Tue, 30 May 2017 19:10:03 +0000 https://pcper.com/review/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/#comment-99248 In reply to remc86007.

AMD will still having raw

AMD will still having raw pricing advantage going forward, yes. I think Intel is betting on single threaded performance and platform advantage for now.

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By: Ryan Shrout https://pcper.com/2017/05/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/comment-page-1/#comment-99247 Tue, 30 May 2017 19:08:10 +0000 https://pcper.com/review/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/#comment-99247 In reply to Irishgamer01.

I surely agree that SOME of

I surely agree that SOME of the prices seem crazy, but that $599 8c/16t will be much more compelling.

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By: remc86007 https://pcper.com/2017/05/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/comment-page-1/#comment-99242 Tue, 30 May 2017 18:23:38 +0000 https://pcper.com/review/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/#comment-99242 Still uncompetitively priced.
Still uncompetitively priced. R7 1700 plus motherboard and memory is much cheaper than even the six core.

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By: Irishgamer01 https://pcper.com/2017/05/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/comment-page-1/#comment-99240 Tue, 30 May 2017 15:42:43 +0000 https://pcper.com/review/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/#comment-99240 Those prices are crazy.
Those prices are crazy. Clearly not very worried.
Intel fan boys have already been going on about how cheap
they are when its the clearly the opposite.

AMD is the way to go I think.

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By: Xebec https://pcper.com/2017/05/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/comment-page-1/#comment-99238 Tue, 30 May 2017 15:26:32 +0000 https://pcper.com/review/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/#comment-99238 In reply to Dark_wizzie.

CFL should launch in August.
CFL should launch in August.

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By: Dark_wizzie https://pcper.com/2017/05/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/comment-page-1/#comment-99234 Tue, 30 May 2017 11:44:10 +0000 https://pcper.com/review/intel-core-i9-announced-18-core-skylake-x-kaby-lake-x-and-x299/#comment-99234 What the heck. I still want
What the heck. I still want to get Coffee Lake for 8600k instead of 7640x.

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