If you’re just doodling around writing emails, your CPU doesn’t have much to do, so it will slow down to a very low clock speed. This is a huge advantage from a power consumption perspective. Modern CPUs can operate at varying clock speeds. Ok, so we’ve established that our new 21.5″ iMac has a clock speed of 2.3GHz. For simplicity of discussion, I’m going to ignore the effect that multi-core processors and multi-threaded processes have on speed. If you try to compare to a different processor family, such as the i3, i7 or i9s, then you can’t just look at the clock speed to know how fast the machine will go. In our entry-level iMac example, a 2.3GHz Intel Core i5 would be faster than a 2.0GHz i5. If we stay within a given processor line, we can speed up our computations by getting a processor with a faster clock speed. The clock speed is the number of cycles per second in which the processor does its operations. The speed in GHz is the clock rate or also called the clock speed. The CPU family is the Intel Core series, the specific processor line is the i5, and the processor speed is 2.3GHz. Let’s use as an example the entry-level iMac with a 2.3GHz Intel Core i5. CPU stands for Central Processing Unit, which we often just refer to as a processor. When you choose a computer you’ll see information about the CPU family and about the speed of that CPU. CPU Clock Rates and Turbo Boost Entry-Level iMac Processor Once we’re done with the lesson, I’ll explain my specific problem and then explain how you might like and need Turbo Boost Switcher even if you don’t have banana fans. Not too deep, because we get in over my head pretty quickly, but deep enough to provide some understanding that may help you in your computing journey. But we can’t start with the amazing solution I found in the app Turbo Boost Switcher until we back up and learn a little bit about computer processors. See: Simple ways to speed up your Mac for more details.This article is a story of how my fans are going bananas on my new 16″ MacBook Pro. For example, try force quitting apps you don't use to see if this improves your battery life, then turn off Turbo Boost if quitting apps doesn't make a difference. If you mainly want to turn off Turbo Boost because the battery drains too quickly, keep in mind that this is not the only culprit. This feature usually works fine without any manual intervention. While you can now manually control Turbo Boost, keep in mind that this is not something you need to do all the time. Here, you will see a message prompting you to unblock Turbo Boost Switcher. If you get a Security & Privacy message, follow the on-screen instructions to allow Turbo Boost Switcher to run normally.Īlternatively, you can manually unblock Turbo Boost Switcher by navigating to Apple > System Preferences… > Security & Privacy. MacOS may also block Turbo Boost Switcher from running. The first time you try to manually switch Turbo Boost, macOS will ask for the admin username and password. You can use these settings to manually turn Turbo Boost on and off. Conversely, if Turbo Boost is disabled, you will see the Enable Turbo Boost message. If Turbo Boost is already enabled, you will see a Disable Turbo Boost message. Click the icon that Turbo Boost has automatically added to your Mac's menu bar. Download the free version here.Īfter you have installed Turbo Boost Switcher, launch the application. Turbo Switcher is available as a free or paid app. You can manually turn Turbo Boost on and off using the Turbo Boost Switcher application. If you have a new Mac with an M1 chip, it won't support Turbo Boost. If the spec doesn't mention Turbo Boost, your Mac may not support the feature. If your Mac supports Turbo Boost, it will be mentioned here. On the Apple support website, check the Processor section. Clicking on the result will take you to the website. Add the phrase 'technical specs' at the end and press Enter. Open the search engine of your choice (eg, Google or DuckDuckGo) and paste this information into the search bar. Copy this information to the clipboard by selecting it and pressing Command + C. In the Overview tab, you will find the full model name of your Mac. Select the Apple logo in your Mac's menu bar and click About This Mac. Find out if your Mac has a Turbo Boost featureīefore you continue, you should verify that your Mac actually supports the Turbo Boost feature: If your computer is getting older and you want to use the battery longer, you can manually control Turbo Boost to use less power. This self-regulation is generally OK in most cases, but not always. When the computer is idling or doing something similar that doesn't use a lot of power, macOS turns off Turbo Boost.
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