[Tom's/CB] Intel Comet Lake Packs Up to 10 Cores - Overclock.net - An Overclocking Community

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[Tom's/CB] Intel Comet Lake Packs Up to 10 Cores

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post #1 of 78 (permalink) Old 03-13-2019, 07:28 PM - Thread Starter
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[Tom's/CB] Intel Comet Lake Packs Up to 10 Cores

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The latest updates to Intel's Linux DRM kernel driver and coreboot (previously known as LinuxBIOS) reveal some pretty interesting information about Intel's upcoming Comet Lake (CML) processors.
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Another SKL refresh on 14nm.

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post #2 of 78 (permalink) Old 03-13-2019, 08:14 PM
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So it'll run hotter than the 9900k... nice. Watch it get annihilated in both price and power draw and performance matched by the newer Ryzen line.

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post #3 of 78 (permalink) Old 03-13-2019, 08:51 PM
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Intel is still six cores short.
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post #4 of 78 (permalink) Old 03-13-2019, 09:39 PM
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Anyone know what socket it'll be?

My thirst needs quenching.

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post #5 of 78 (permalink) Old 03-13-2019, 10:25 PM
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Quote: Originally Posted by Rangerscott View Post
Anyone know what socket it'll be?
Since it's a refresh, probably the same as coffeelake.
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post #6 of 78 (permalink) Old 03-13-2019, 10:46 PM
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Quote: Originally Posted by airisom2 View Post
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Another SKL refresh on 14nm.
Seems to me that AMD's presentation at CES (along with all the stuff Intel likely already knows internally about Zen 2) has Intel well and truly spooked! If a very pre-production ES R5 3700X with 8C and 16T can match the performance of the 9900K stock for stock (while also having the very real likelihood of matching overclocks as well) then Intel clearly has NO choice whatsoever in adding even more cores and threads to the 9900K in their mainstream chips going forward, because you can be sure that Intel is fully aware of the fact that Zen 2 is going to release with at LEAST 12C / 24T and very probably 16C / 32T variants. They do not want to face an even worse situation than they had in 2017 where Ryzen was cheaper, nearly as fast, and had double the cores and threads; a hypothetical 16C / 32T Ryzen R9 would not only be cheaper and offer double the cores and threads of the 9900K, but would perhaps even significantly outperform it in Intel's last remaining trump card: ST OC performance. It would simply be the 1700X vs the 7700K all over again, only far worse. Given that possibility, think of this new 10C / 20T chip as Intel's new 8700K....


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post #7 of 78 (permalink) Old 03-13-2019, 10:56 PM
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Unless an application is extremely parallel the benefit over 6 cores is low anyhow (Amdahl's law) so unless there's power improvements I don't think this CPU will be worthwhile as it will be over ~180W in practice based off i9-9900k with the stock TDP off.

source: https://www.anandtech.com/show/13400...600k-review/21 , https://www.techpowerup.com/reviews/..._9900K/18.html



With Ryzen the boost from 6 to 8 cores wasn't just from cores but due to the fact that 4 cores make up a CCX. Anything using 4 cores or more would have increased chance for cross CCX communication. If you compare i9-9900k / i7-9700K vs i7-8700K / i5-9600K there's a far lower gain.


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post #8 of 78 (permalink) Old 03-13-2019, 11:43 PM
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Well, Lisa Su confirmed that there will be more than 8C/16T CPUs on the mainstream platform, so what can Intel do still on 14nm++? Well, max out the ring bus core configuration, which is 10C/20T, thus touting lower latency over Zen 2, which they will probably be right to do, if all else is not quite there anymore, say IPC advantage. With that Intel could still walk away competitively on the gaming front.

I wonder if they will go to the ridiculousness of also classifying this new CPU as a 95w TDP affair. It wasn't funny the first time. Intel, you do know that you made 130w TDP CPUs for the mainstream platform back in the Core 2 Quad days, right? It's ok. Except that this new 10 core CPU will probably not even respect that hypothetical TDP anyway, but at least it would be closer.



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post #9 of 78 (permalink) Old 03-13-2019, 11:57 PM
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Quote: Originally Posted by Imglidinhere View Post
So it'll run hotter than the 9900k... nice. [IMG class=inlineimg]/forum/images/smilies/tongue.gif[/IMG] Watch it get annihilated in both price and power draw and performance matched by the newer Ryzen line.
You would hope but AMD's Cinebench demo at CES was a bit of a let down.

IPC seemed similar to a 9900K and only used 46w less. That either means it's running at the same frequency as the 9900k or some how AMD's 7nm still uses more power than Intel's 14nm chips.

When manually overclocking both a 9900k at 5Ghz uses 192w while a Ryzen 2700x @ 4.2Mhz with 1.4v pulls uses 192w as well.

Quote: Originally Posted by tpi2007 View Post
Well, Lisa Su confirmed that there will be more than 8C/16T CPUs on the mainstream platform, so what can Intel do still on 14nm++? Well, max out the ring bus core configuration, which is 10C/20T, thus touting lower latency over Zen 2, which they will probably be right to do, if all else is not quite there anymore, say IPC advantage. With that Intel could still walk away competitively on the gaming front.

I wonder if they will go to the ridiculousness of also classifying this new CPU as a 95w TDP affair. It wasn't funny the first time. Intel, you do know that you made 130w TDP CPUs for the mainstream platform back in the Core 2 Quad days, right? It's ok. Except that this new 10 core CPU will probably not even respect that hypothetical TDP anyway, but at least it would be closer.
The 9900k is a 95w chip, some Ryzen boards allow the 2700x to go up to 130w with XFR2 when properly cooled.

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post #10 of 78 (permalink) Old 03-14-2019, 01:05 AM
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If the next consoles are going to be 8 core 16 thread machines, PC gamers are going to start looking to have at least that many to start future proofing. 10 core is just enough to do that.

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