[AnandTech] Intel Details 10th Gen Comet Lake-H for 45 W Notebooks: Up to 5.3 GHz* - Overclock.net - An Overclocking Community
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[AnandTech] Intel Details 10th Gen Comet Lake-H for 45 W Notebooks: Up to 5.3 GHz*

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post #1 of 39 (permalink) Old 04-02-2020, 03:47 PM - Thread Starter
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[AnandTech] Intel Details 10th Gen Comet Lake-H for 45 W Notebooks: Up to 5.3 GHz*

Source: https://www.anandtech.com/show/15687...s-up-to-53-ghz

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Two of the big announcements out of CES this year were both mobile related: Intel and AMD announced they would be launching new gaming laptop processors into the market in the first half of this year. 45 W parts, also known as H-series in the business, provide the basis for productivity and gaming notebooks that use additional graphics to give some oomph. These systems span from thin and light with GPU requirements, through ‘luggables’ that are just about portable, all the way up to desktop replacement designs. Intel’s newest 10th Gen H-Series are based on the Comet Lake family, the fifth iteration of Intel’s 14nm Skylake designs, and they’re going all the way up to 5.3 GHz*.

The new CPU list from Intel starts with the Core i9-10980HK at the top, with eight cores, sixteen threads, and all the focus is on that 5.3 GHz turbo frequency.

*This CPU can hit this frequency on two cores. However this has some specific requirements: the system needs to be within its secondary power limits, and Intel’s Thermal Velocity Boost also needs to be turned on. The latter of which means that there has to be additional thermal headroom in the system, and that OEMs have designed for this and enabled it within the system. This allows the CPU to go from 5.1 GHz to 5.3 GHz. Every Intel Thermal Velocity Boost enabled CPU requires specific OEM support in order to get those extra two bins on the single core frequency.

The base frequency of this chip is 2.4 GHz, and it has a regular 45 W TDP (sustained power), which can be run in cTDP up mode for 65 W. Two other plus points on this chip is that it is unlocked, for when an OEM provides more thermal headroom, and it supports DDR4-2933, which is an upgrade over the previous generation. Intel's recommended PL2 (turbo power) for the Core i9 is 135 W, and Intel says the recommended 'Tau' is set to 56 seconds for the i9, and 28 seconds for all the other CPUs. OEMs don't often adhere to these values for notebooks, but they are provided as a guide. It does mean that in order to hit 5.3 GHz, the Core i9 is by default allowed to take 135 W across two cores, or 67.5 W per core. Even at 60W per core, you're looking at 50A of current per core... in a laptop.
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post #2 of 39 (permalink) Old 04-02-2020, 04:00 PM
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If possible, less exciting than comet lake for desktop even. 50A peak current is completely insane. No laptop has the cooling to support that even for fractions of a second.

This is basically the same as existing high end mobile chips, just with more juice.
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post #3 of 39 (permalink) Old 04-02-2020, 04:35 PM
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lemme know when 10nm launches

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post #4 of 39 (permalink) Old 04-02-2020, 05:06 PM
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5.3ghz thermal velocity boost is under 65c


we not gonna talk about how most (if not all) notebooks out there use animal semen as thermal paste, causing 65c idle temps?

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post #5 of 39 (permalink) Old 04-02-2020, 05:23 PM
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Quote: Originally Posted by TK421 View Post
5.3ghz thermal velocity boost is under 65c


we not gonna talk about how most (if not all) notebooks out there use animal semen as thermal paste, causing 65c idle temps?
I had a GE75 with liquid metal + MAX fan + A modded CM table with two 120mm fans running 100% and was running at mid 70s.

So 65c is just for them to write 5.3 Ghz.

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post #6 of 39 (permalink) Old 04-02-2020, 06:01 PM
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Quote: Originally Posted by Awsan View Post
I had a GE75 with liquid metal + MAX fan + A modded CM table with two 120mm fans running 100% and was running at mid 70s.

So 65c is just for them to write 5.3 Ghz.

most people won't do that

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post #7 of 39 (permalink) Old 04-02-2020, 06:42 PM
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Quote: Originally Posted by TK421 View Post
most people won't do that
Exactly my point, the 5.3 is never achievable in any scenario.
They will link it with an impossible scenario like the 65c and say : "Yea you need to hit that target temp to get those clocks".

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post #8 of 39 (permalink) Old 04-02-2020, 07:15 PM
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It is attainable if you can unlock the BIOS (on the HK chip). You just disable TVB and off you go.
MSI Laptop bioses were still unlockable on the last gen, either with the FPTW64 backup into AMIBCP 5.02.0031 dump method or with the 4 key magic combo.

No idea if the newest bioses will load in AMIBCP (UEFI capsule backups only, NOT original downloads--they will brick if edited), or even if they will load in the patched AMIBCP posted on win-raid.
there's a newer AMIBCP with a reworked GUI but no one knows how to get it.

Of course that chip is going to crash super hard if you try to lock all cores at 5.3 ghz. Or the EC will panic and power trip the system from overcurrent....

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post #9 of 39 (permalink) Old 04-02-2020, 08:18 PM
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Quote: Originally Posted by Falkentyne View Post
It is attainable if you can unlock the BIOS (on the HK chip). You just disable TVB and off you go.
MSI Laptop bioses were still unlockable on the last gen, either with the FPTW64 backup into AMIBCP 5.02.0031 dump method or with the 4 key magic combo.

No idea if the newest bioses will load in AMIBCP (UEFI capsule backups only, NOT original downloads--they will brick if edited), or even if they will load in the patched AMIBCP posted on win-raid.
there's a newer AMIBCP with a reworked GUI but no one knows how to get it.

Of course that chip is going to crash super hard if you try to lock all cores at 5.3 ghz. Or the EC will panic and power trip the system from overcurrent....
Yes I know there were some laptops that ran 5Ghz on the older 9980hk but it was a freaking portable oven.
Yes unlocked bioses are great but power delivery isnt, I tried some of the tricks on my older 9750h "Imon slop" negative wattage + some ram OC and got a much better low 1% performance compared to it running stock but holly sh i t did that raise the temp insanely (75 before the trick and nearly thermal throttling "90-95" after)

Will some laptops to be able to run on 5ghz + 24/7? Yes will it be under Intel's specs? No.
Some people will work hard to figure how to tame the beast and we will get some insane laptops running a 5ghz cpu with a 2080 super that will make it a step away from an equivalent spec'd desktop.

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post #10 of 39 (permalink) Old 04-02-2020, 08:46 PM
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Quote: Originally Posted by Awsan View Post
Yes I know there were some laptops that ran 5Ghz on the older 9980hk but it was a freaking portable oven.
Yes unlocked bioses are great but power delivery isnt, I tried some of the tricks on my older 9750h "Imon slop" negative wattage + some ram OC and got a much better low 1% performance compared to it running stock but holly sh i t did that raise the temp insanely (75 before the trick and nearly thermal throttling "90-95" after)

Will some laptops to be able to run on 5ghz + 24/7? Yes will it be under Intel's specs? No.
Some people will work hard to figure how to tame the beast and we will get some insane laptops running a 5ghz cpu with a 2080 super that will make it a step away from an equivalent spec'd desktop.
Another issue is the "IPC" problem.

It was tested repeatedly versus "Desktop chip" (LGA) laptop systems that BGAbooks run at the same clock (even at the exact same RAM timings) as LGAbooks in the same family (Example: 7820HK-->7700K, 8950HK-->8700K) would get about 100 mhz worth of lower scores in Cinebench when compared at the exact same clocks, no matter what you tried to change in the BIOS.

This performance gap didn't show up at all in AIDA64 L2 and L3 cache tests...the cache speed bandwidth was not an issue. And it had nothing to do with spectre/meltdown (OS versions tested didn't even support mitigations).

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Quote: Originally Posted by sakete View Post
Well, I want you to know I have an academic degree in speculation.
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