What Is Intel® Turbo Boost Technology?

Highlights:

  • Intel® Turbo Boost Technology.

  • Clock speed.

  • Intel® Core™ i7 processors.

  • Intel® Core™ i9 processors.

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How Does Intel® Turbo Boost Technology Work?

CPUs don’t always need to run at their maximum frequency. Some programs are more dependent on memory to run smoothly, while others are CPU-intensive. Intel® Turbo Boost Technology is an energy-efficient solution to this imbalance: it lets the CPU run at its base clock speed when handling light workloads, then jump to a higher clock speed for heavy workloads.

Running at a lower clock rate (the number of cycles executed by the processor every second) allows the processor to use less power, which can reduce heat and positively impact battery life in laptops. But when more speed is needed, Intel® Turbo Boost Technology dynamically increases the clock rate to compensate. This is sometimes called “algorithmic overclocking”.

Intel® Turbo Boost Technology can potentially increase CPU speeds up to the Max Turbo Frequency while staying within safe temperature and power limits. This can increase performance in both single-threaded and multithreaded applications (programs that utilize several processor cores).

If you’re wondering how to enable Turbo Boost, don’t worry — it’s enabled by default. You don’t need to download or configure anything.

What Is Max Turbo Frequency?

When handling light workloads, the CPU runs at the base frequency listed in its specifications. (Or lower, when the energy-saving Intel SpeedStep® technology scales CPU speeds.) When handling hardware threads marked for high performance, Intel® Turbo Boost Technology increases the clock speed up to the Max Turbo Frequency.

For example, the Intel® Core™ i9-9900K processor has a base frequency of 3.60 GHz, and a Max Turbo frequency of 5.00 GHz. Note that depending on its situation, a given CPU may not always reach its Max Turbo Frequency. The dynamic increase in speed changes depending on the workload and the thermal headroom available.

When comparing CPU clock speeds, the Max Turbo Frequency is typically the key number to keep in mind. It reflects the processor’s peak performance before overclocking.1 Along with core count and premium features, it’s one of the key considerations when CPU shopping.

Read more about CPU frequency here ›

What’s the Difference Between Intel® Turbo Boost Technology 2.0 and 3.0?

Intel® Turbo Boost Technology 2.02 follows the behavior described above, and is available on most Intel® Core™ processors newer than 2nd Gen (Intel® Core™ i5, i7, i9 processors, and Intel® Xeon® processors).

Intel® Turbo Boost Max Technology 3.0 is an enhanced version of 2.0 that boosts the speed of a CPU’s fastest cores individually, while also directing critical workloads to those boosted cores. It can increase single-threaded performance up to 15%.3 4 5

Intel® Turbo Boost Technology 3.0 is available in Intel® Core™ X-series processors, including:

  • Intel® Core™ i7-69xx/68xx processors
  • Intel® Core™ i9-7900X/i9-7920X/i9-7940X/i9-7960X/i9-7980XE/i7-7820X/i7-9800X processors
  • Intel® Core™ i9-9820X/i9-99x0XE/i9-99x0X processors
  • Intel® Xeon® processor E5-1600 v4 product family (single-socket)

How Do I Use Intel® Turbo Boost Technology?

Intel® Turbo Boost Technology works automatically to give your CPU more speed when needed. There’s no need for users to install or configure it, as it’s enabled by default on all operating systems.

Though you can also disable Intel® Turbo Boost Technology from the BIOS, it’s not recommended to do so unless you’re troubleshooting specific issues or trying to collect consistent performance measurements. You’ll see more efficient performance and higher peak clock speeds with Intel® Turbo Boost Technology enabled.

If you’re interested in getting more out of your CPU, read our guide to overclocking and other CPU optimization resources.

Infos sur le produit et ses performances

1

Modifier la fréquence d’horloge ou la tension risque d'endommager ou de réduire la durée de vie utile du processeur et de tout autre composant système. Cela peut également avoir un impact sur la stabilité du système et les performances. La garantie peut ne pas s'appliquer si le processeur fonctionne au-delà de ses caractéristiques techniques nominales. Consultez les fabricants du système et des composants pour en savoir plus.

2

Le bénéfice de la technologie Intel® suppose que la plate-forme embarque un processeur qui en est doté. Les technologies Intel® Turbo Boost et Intel® Turbo Boost 2.0 sont disponibles uniquement sur une sélection de processeurs Intel®. Renseignez-vous auprès du fabricant de votre ordinateur. Les performances de cette technologie varient selon la configuration matérielle et logicielle.

3

Comme mesuré avec SPECint_base2006. SPECint*_base2000/2006 mesure la rapidité à laquelle un appareil réalise une seule tâche de calcul de chiffre entier. SPECint*_rate_base2000/2006 mesure le débit, ou le nombre de tâches de calcul de chiffre entier pouvant être réalisé par un appareil dans un temps donné. Comparaison effectuée entre un processeur  Intel® Core™ i7-6950X et un processeur Intel® Core™ i7-5960X à l’aide d’un matériel au système identique.

4

Les résultats des bancs d'essai ont été obtenus avant le déploiement de récents correctifs logiciels et mises à jour micrologicielles destinés à faire face aux failles de sécurité « Spectre » et « Meltdown ». L'installation de ces mises à jour peut rendre ces résultats inapplicables à votre appareil ou système.

Ces performances varient en fonction de l'utilisation, de la configuration et d'autres facteurs. Pour en savoir plus, veuillez consulter www.intel.com/PerformanceIndex.

5

Intel® technologies’ features and benefits depend on system configuration and may require enabled hardware, software or service activation. Performance varies depending on system configuration. Check with your system manufacturer or retailer or learn more at www.intel.ca/content/www/ca/fr/architecture-and-technology/turbo-boost/turbo-boost-max-technology.html.