Is it possible to overclock a mac

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May 7, Joe Ford. It would certainly void your warranty or AppleCare if you still have coverage, might cause the machine to heat up beyond its ability to cool itself, and would very likely make it less reliable. If you need a faster computer for your work, buy one. Reply Helpful Thread reply - more options Link to this Post.

User profile for user: JoeyR JoeyR. Jun 8, AM in response to meddling In response to meddling Nope The thermal tolerances on notebooks especially ones packed as densely as MacBooks are very tight. They tend to run on the hot side under normal loads. With something like video encoding, you're already maxing out the CPUs performance and probably already pushing some high temps.

Any overclock that you might be able to achieve if the settings were available would be very minimal as to make little difference. You would likely run into stability issues pretty early on. Gradually raise the multiplier one step at a time. Proceed slowly and treat this as an iterative process. Speed up your computer a little bit. Then, if all goes well, go back and speed it up some more. You can start by increasing the multiplier for one core and go slowly for the others.

The more cores you overclock, the hotter and more unstable things become. Save your settings and reboot the system. To give it a bit more juice, find the CPU voltage setting. By default, it usually is set to 1. Increase this value slowly , for example to 1. This gives you a bit more room for overclocking, so you can try increasing the multipliers a bit more. But every time you overclock a CPU, your computer runs hotter.

So make sure you have proper cooling! In this example, I gradually increased the clock speed from 3. Doing so improved the Cinebench score from to an insane 1,! Cinebench CPU test results before overclocking. Cinebench CPU test results after overclocking. Without overclocking, you might need to pay hundreds of dollars to achieve a similar speed increase!

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