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Intel introduces Adaptive Boost Technology for Core i9-11900K and Core i9-11900KF
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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TLD LARS
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Joined: 2017-03-01
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Posts: 566
Joined: 2017-03-01
#5897229 Posted on: 03/18/2021 10:46 PM
Manual 5.1 allcore may need more then 300W at full load and a 360 rad could be in the 90 degrees area, especially if AVX-512 is used.
I think this CPU is going to run on the laptop principle, boost to the moon and hope the load is gone, before the CPU hits 100 degrees.
Does this have any advantage over just setting all cores manually to 5.1?
Manual 5.1 allcore may need more then 300W at full load and a 360 rad could be in the 90 degrees area, especially if AVX-512 is used.
I think this CPU is going to run on the laptop principle, boost to the moon and hope the load is gone, before the CPU hits 100 degrees.
Glottiz
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Joined: 2006-11-18
Senior Member
Posts: 1155
Joined: 2006-11-18
#5897242 Posted on: 03/18/2021 11:28 PM
Who started this myth? It's not even true. AMD or Intel, almost same power usage...
PSU requirements: 1.21 jiggawats. Don't get your uranium from terrorists to power this, just wait for Mr. Fusion.
Who started this myth? It's not even true. AMD or Intel, almost same power usage...
terror_adagio
Member
Posts: 42
Joined: 2005-06-29
Member
Posts: 42
Joined: 2005-06-29
#5897246 Posted on: 03/18/2021 11:36 PM
Who started this myth? It's not even true. AMD or Intel, almost same power usage...
You can attribute some of the blame to that 11700k Anand "review" where everyone saw the AVX512 extreme stress test on a poor air cooler.
Who started this myth? It's not even true. AMD or Intel, almost same power usage...
You can attribute some of the blame to that 11700k Anand "review" where everyone saw the AVX512 extreme stress test on a poor air cooler.
kapu
Senior Member
Posts: 5377
Joined: 2006-12-22
Senior Member
Posts: 5377
Joined: 2006-12-22
#5897257 Posted on: 03/19/2021 12:31 AM
Intel is like, i heard you like boost, so we put boost in your boost so you can get more boost. More or less this is how it works.
Intel is like, i heard you like boost, so we put boost in your boost so you can get more boost. More or less this is how it works.
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PSU requirements: 1.21 jiggawats. Don't get your uranium from terrorists to power this, just wait for Mr. Fusion.