Intel introduces Adaptive Boost Technology for Core i9-11900K and Core i9-11900KF

by Hilbert Hagedoorn on: 03/18/2021 05:53 PM | source: Intel | 24 comment(s)

The 11th Gen Core series codenamed “Rocket Lake-S” will get a 4th Boost mode, labeled Adaptive Boost. Both Thermal Velocity Boost (TVB) and Adaptive Boost Technology (ABT) will be exclusive to Rocket Lake’s Core i9-11900K(F) series.

And read it well, specifically the 11th Gen Core i9 Series. And yes, that means Core i9 Rocket-Lake will have four tiers of Boost modes. A bit confusing, we agree. But I'll try and explain it.

Three of the now four modes you are likely familiar with; there's Turbo Boost 2.0 and 3.0, and then Thermal Velocity Boost (TVB). Add to that Adaptive Boost Technology (ABT), which is a boost state applied to all cores (!) if certain power supply and if the cooling requirements are met. We're not sure yet how conditions for a PSU are measured but we'll leave that open for now.

Adaptive Boost will only be available for the Core i9 K and -KF models: In other words, only Core i9-11900K and Core i9-11900KF. With a processor temperature of less than 70°C, it achieves a Thermal Velocity Boost of 5.3 GHz on two cores. That's 5.2 GHz without TVB. If more than two cores are working, a maximum of 5.1 GHz is possible, but so far only for up to four cores if TVB activates. So four cores max.

Adaptive Boost now takes it up a notch, if a proper power supply is applied, and if temps remain below 70 Degrees C, all eight cores can boost to 5.1 GHz. So for more than four cores the up to 5.1 GHz far exceeds the previous specification of 4.9 or 4.8 GHz.

You'll need the latest BIOS revisions to get this supported. You can see where this new Boost feature would help, multi-threaded apps and games.

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kapu
Senior Member

Posts: 4748
Joined: 2006-12-22

#5897371 Posted on: 03/19/2021 10:57 AM

intel is still very efficient for a lot of home/gaming pc usages
it's that max stress test power draw with avx on that's utterly ridiculous.
but yeah,I don't think people who choose ryzens over intel for home rigs because of power savings realize this

idle

video playback

gaming

all values are for the whole system w. rtx2080

here's a great test,albeit in Polish,telling you exactly what every tasks costs in energy
https://pclab.pl/art84541.html

you won't learn this from memes or youtube trash
this is power draw for every minute of the cpu sitting in idle

Sadly is last gen . Do they have with Zen3?

AMD Zen3 looks better here

cucaulay malkin
Senior Member

Posts: 1794
Joined: 2020-08-03

#5897373 Posted on: 03/19/2021 10:58 AM

Sadly is last gen . Do they have with Zen3?

they closed pclab last year I think
it sucks cause some of their tests were very informative,like this one
they were they only ones that e.g. tested skylake on ddr3 vs ddr4.
they are missed.

kapu
Senior Member

Posts: 4748
Joined: 2006-12-22

#5897399 Posted on: 03/19/2021 12:41 PM

they closed pclab last year I think
it sucks cause some of their tests were very informative,like this one
they were they only ones that e.g. tested skylake on ddr3 vs ddr4.
they are missed.

Zen2 was not that great in terms of idle power consumption . Only load full MT was much better than intel . But is it different story on Zen3 .Stil Intel 14nm+++++++++ is optimized thru the roof so it is pretty good at some scenarios

cucaulay malkin
Senior Member

Posts: 1794
Joined: 2020-08-03

#5897401 Posted on: 03/19/2021 12:42 PM

yes but mainly due to boosting algorythms

brogadget
Member

Posts: 87
Joined: 2020-08-22

#5897433 Posted on: 03/19/2021 02:56 PM

To benefit from boosting the boost, to boost the boost of Rocket Lake up to the moon, CPU must work in Intel spec. temp. range, without a $$TEC, I think you can´t boost nothing and btw Intel is boosting themselves sick, but reviews will show.

Edit: now we have a 1000W modded HOF cards + Intel ABT+TVB + cooling device situation where a new PSU must be invented.1h gaming = 1$, maybe even more.

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