What does intel speedstep do

what does intel speedstep do

What is Intel speedstep?

Sep 22, What is Intel SpeedStep Technology and what is it for? According to the manufacturer, this technology allows the system to dynamically adjust the operating voltage and frequency of the processor cores, reducing power consumption and generated heat. Oct 06, Enhanced Intel SpeedStep Technology allows the system to dynamically adjust processor voltage and core frequency, decreasing average power consumption and heat production. By decreasing power and heat on desktop PCs, system builders can potentially lower acoustics, depending on system configurations.

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Sidebar Sidebar. Forums Hardware CPUs. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Previous Next Sort by votes. May 22, 71 0 18, 0. As the topic says will u please define me what Intel Speedstep does?

In my bios when i enable speedstep, my computer property is xpeedstep me that my intel core i5 2. Windows 7 Intel core i5 2. Maziar Champion Moderator. Jul 20, 21, 0 52, seedstep However, when the same processor is run at a lower frequency speedit generates less heat doee consumes less power. In many cases, the core voltage can also be reduced, further reducing power consumption speeestep heat generation.

This can conserve battery power in notebooks, extend processor what does intel speedstep do, and reduce noise generated by variable-speed fans. By using SpeedStep, users can select the balance of power conservation and performance that best suits them, or spedstep change the clock speed dynamically as the processor bur" When you enable speedstep,then when your CPU will downclock itself in idle mode, and will work on its stock clock at load. And when you disable it,your CPU will always run its stock clock.

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Sep 30, Enhanced Intel SpeedStep Technology (EIST) is a power and thermal management technology developed by Intel. EIST was introduced as a means of enabling high performance while meeting the power-saving needs of a mobile computer system. Essentially, EIST throttles the clock speed of a central processing unit (CPU) during periods requiring minimal demand. Jun 19, By using SpeedStep, users can select the balance of power conservation and performance that best suits them, or even change the clock speed dynamically as the processor bur" When you enable. Jun 05, Speedstep and speedshift both allow the clock speed and voltage of the CPU to change according to load, but through different means. Speedstep is carried out by the OS, Speedshift is carried out by the CPU itself. 2. Speedshift to 0 disables it and locks the core clock to its base clock.

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EIST was introduced as a means of enabling high performance while meeting the power-saving needs of a mobile computer system. It then brings the clock speed back up to its maximum potential when demanded by the load.

This allows a computer to save power when there is less to process, yet still achieve high performance when the demand is high. The earlier, non-enhanced version of SpeedStep switched frequency and voltage between low and high levels in response to a current processor load. EIST builds on this by using the following strategies:.

EIST reduces the latency inherent with changing the voltage-frequency pair P-state , thus allowing those transitions to occur more frequently. This allows for more granular, demand-based switching and can optimize the power-to-performance balance, based on the demands of the applications. By: Todd Wasserman Contributor. By: Kishore Jethanandani Contributor. By: Terri Williams Contributor.

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Best of Techopedia weekly. News and Special Offers occasional. Thank you for subscribing to our newsletter! Connect with us. This technology is available in Core branded processors. EIST builds on this by using the following strategies: Separating frequency and voltage changes, whereby voltage is stepped up or down in small increments separately from changes in frequency.

Because of this, the processor is able to reduce system unavailability due to frequency change. This technique allows the system to switch between voltage and frequency states more often, improving power-performance balance. Clock partitioning and recovery, where the bus clock runs continuously even during state transitions.

It continues running even when the core clock and the phase-lock loop are stopped. This allows for logic to remain active even when some of the CPU portions are currently stopped. Share this Term. Tech moves fast! Stay ahead of the curve with Techopedia! Join nearly , subscribers who receive actionable tech insights from Techopedia.

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