1 Processors routinely enter and exit “boost mode” automatically throughout various computing tasks. This gives a burst of speed to a core or group of cores, and depends on a variety of factors. The max turbo frequency is the maximum frequency at which the processor is capable of operating using Intel® Turbo Boost Technology 2.0. When people mention the boost clock of a processor, this is typically what they’re referring to. While base frequencies used to be fixed, CPUs now routinely underclock themselves automatically to conserve power and stay cool, and then increase to a higher frequency quickly when needed-but only as high as their stated base frequency. The definition of the base frequency has evolved over the years, but these days it refers to the guaranteed clock speed a CPU can maintain with full utilization within predefined heat and power limitations (and does not rely on any sort of boosting technology). As this is a topic that is often misunderstood, it seemed like a good idea to provide a brief overview. As frequencies leveled off, however, other methods to increase performance emerged with various technologies that dynamically alter the speed of the processor (i.e., give it a “boost”). In the endless journey to provide more performance, successive generations of CPUs have brought higher frequencies and more cores. Intel processors have never been simple, but they definitely used to be simpler.
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