![]() ![]() This change effectively means that Intel has enabled near-unlimited peak turbo by default! This differs from before, where PL1 would equal the TDP, and PL2 would range from 200 to 250W. The CPU will reduce the CPU frequency if the average power consumed is higher than PL1.Ī significant change from any previous Intel Core processors is that from Alder Lake onwards, at least for the K-SKU CPUs, PL1 is by default equal to PL2. Tau, in seconds, is the time window for calculating the average power consumption.Power Limit 2, or PL2, is the maximum power the processor can use for a limited amount of time.PL1 should not be set higher than the thermal solution cooling limits. Historically, this has always been set equal to Intel’s advertised TDP. Power Limit 1, or PL1, is the threshold the average power will not exceed.There are 3 parameters to consider: PL1, PL2, and Tau. ![]() This stands for Exponentially Weighted Moving Average. The Turbo Boost 2.0 algorithm works according to a proprietary EWMA formula. The ultimate advantage is opportunistic performance improvements in both multi-threaded and single-threaded workloads. Intel Turbo Boost 2.0 Technology allows the processor cores to run faster than the base operating frequency when the processor works below its rated power, temperature, and current specification limits. ![]()
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