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Cake day: June 10th, 2023

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  • Modern CPUs have sensors and monitoring circuits that constantly measure factors like temperature, power consumption, and workload intensity for each core. These measurements provide real-time data about the operating conditions and performance capabilities of individual cores.

    The shift in the ‘preferred’ core as the silicon ages is a relatively common occurrence. P-states enable the processor to maintain peak performance levels regardless of its ageing process.

    Be aware that the ageing process is quite gradual, and any discernible variances are unlikely to manifest over the regular lifespan of a standard processor.


  • Each CPU core is slightly different due to the manufacturing process, their placement on the die, and other factors.

    Some cores boost higher than others, and can have better single-threaded performance, while others are a little slower.

    Currently, games and programmes are assigned a random core for its main thread, which isn’t ideal.

    P-states will address that by sorting cores by their relative performance, and assigning the more performant cores first.

    So while this doesn’t make your CPU faster, applications should see a small boost in performance.