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Processor of the day

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AMD Duron 650

Most popular CPUs

Intel Core 2 Duo E8800 (ES)
Intel Core 2 Duo E6200 (ES)
Intel Core 2 Duo E7700
Intel Pentium II 266 (0,35µ)
Intel Core 2 Duo E7800

Intel Core i7-3770
Intel Core i5-3470
Intel Core i5-2400
Intel Core i5-4570
Intel Core i7-2600

Most powerful CPUs
Desktop PCs
AMD : Ryzen 9 7950X
Intel : Core i9-13900KF
Laptop PCs
AMD : Ryzen 9 6980HX
Intel : Core i9-12950HX
Servers
AMD : EPYC 9654P
Intel : Xeon Platinium 9282

Other articles > X86 Glossary > Enhanced Intel Speedstep Technology (EIST)

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. 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.


Used for : Intel , Intel Atom, Intel Celeron, Intel Core 2, Intel Core i3, Intel Core i5, Intel Core i7, Intel Core i9, Intel Core M, Intel Core i3, Intel Core i5, Intel Core i7, Intel Itanium 2, Intel Pentium, Intel Pentium 4, Intel Pentium M, Intel Xeon