Here we see what looks like a 5.1 GHz all-core turbo, from three cores to eight cores loaded.
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Everything beyond two cores changes and TVB no longer applies. Now move up to the Core i9-11900K or Core i9-11900KF, which are the only two processors with the new floating turbo / Adaptive Boost Technology. In this case, if all eight cores are loaded, the turbo is 4.6 GHz, unless the CPU is under 70✬, then we get an all-core turbo of 4.7 GHz. We can see here that the first two cores get both TBM3 (favored core) as well as TVB, which makes those two cores give a bigger jump. On the Core i9-11900, the non-overclocking version, we also get Thermal Velocity Boost which adds another +100 MHz onto every core max turbo, but only if the processor is below 70✬. More than four core loading will be distributed as above. If it is under two cores, the OS will shift the threads onto the favored cores and Turbo Boost Max 3.0 will kick in for 5.0 GHz. The official specifications show that when one to four cores are loaded, when in turbo mode, it will boost to 4.9 GHz. This processor has TB2, TBM3, but not TVB or ABT. Here’s the handy AnandTech version.įirst up is the Core i7-11700K that AnandTech has already reviewed. Intel provided a slide trying to describe the new ABT, however the diagram is a bit of a mess and doesn’t explain it that well. It is worth noting that the 70✬ requirement for TVB is also often ignored, and TVB will be applied whatever the temperature. In this mode, the peak power observed will be the PL2 value. Most gaming motherboards will implement an effective ‘infinite’ turbo mode. Intel offers recommended guidelines for this, but those guidelines can be overridden (and are routinely ignored) by motherboard manufacturers. *Turbo mode is limited by the turbo power level (PL2) and timing (Tau) of the system. ABT overrides TVB when 3 or more cores are active.
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The limit of this frequency is given by TB2 in 2-core mode. When in a turbo mode, if 3 or more cores are active, the processor will attempt to provide the best frequency within the power budget, regardless of the TB2 frequency table. This follows the TB2 frequency tables depending on core loading. When in a turbo mode, if the peak thermal temperature detected on the processor is below a given value (70✬ on desktops), then the whole processor will get a frequency boost of +100 MHz. When in a turbo mode, for the best cores on the processor (usually one or two), these will get extra frequency when they are the only cores in use. TB2 varies with how many cores are being used. When in a turbo mode, this is the defined frequency the cores will run at. The frequency at which the processor is guaranteed to run under warranty conditions with a power consumption no higher than the TDP rating of the processor. Here’s the list, in case we forget one: Intel Frequency Levels The goal of this feature is to provide more performance to users that have good processors, and Intel is calling it Adaptive Boost Technology.Īdaptive Boost Technology is now the fifth frequency metric Intel uses on its high-end enthusiast grade processors, and another element in Intel’s ever complex ‘Turbo’ family of features. A couple of days after Intel officially announced its 11 th Generation Core Rocket Lake, the press received an email about a new feature coming to the platform that wasn’t in our original briefing. This article is part of the Tom's Hardware Glossary.
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