![]() Here’s some thermal testing from my 8-core 16-inch MacBook Pro:ġ6-inch MacBook Pro (Late 2019, 2.4 GHz 8-core i9) Recently, as Intel has crammed more cores and higher clocks into smaller form factors and pushed thermal limits to new extremes, the gains have become even more significant. In 2018, I first argued for Low Power Mode on macOS with a list of possible tweaks, concluding that disabling Turbo Boost was still the best bang-for-the-buck tweak to improve battery life without a noticeable performance cost in most tasks. I’ve been disabling Intel Turbo Boost on my laptops with Turbo Boost Switcher Pro most of the time since 2015. I believe so strongly in its potential because I’ve been using it on my laptops (in a way) for years, and it’s fantastic. The sole exception, Low Power Mode on iOS, seems to be a huge hit: by offering a single toggle that chooses a different balance, people are able to greatly extend their battery life when they know they’ll need it. Software also plays a role, trying to keep everything background-updated, content-indexed, and photo-analyzed so it’s ready for us when we want it, but not so aggressively that we notice any cost to performance or battery life.Īpple’s customers don’t usually have control over these balances, and they’re usually fixed at design time with little opportunity to adapt to changing circumstances or customer priorities. Modern hardware constantly pushes thermal and power limits, trying to strike a balance that minimizes noise and heat while maximizing performance and battery life. In light of today’s rumor that a Pro Mode may be coming that seems to offer benefits in the opposite direction, 1 I wanted to re-make the case for a Low Power Mode on macOS - and explain why now is the time. Simply put, right now I have a few apps opened including photoshop, rss reeder, mail, obviously the browser with a few tabs opened including a YouTube video playing ( ADD much? ) and my Mac runs at 51 degrees Celsius ( ~124F ) and fan speed at 1197rpm.A programmer, writer, podcaster, geek, and coffee enthusiast.Ībout Low Power Mode for Mac laptops: making the case again PS: i’ve been using Turbo Boost Switcher for about a year now and it’s great. You can download Turbo Boost Switcher for free here or get the Pro version for $9.95 here. Automatically restore Turbo Boost on exit.Enable / Disable Turbo Boost automatically (only on Pro version).Configure it to disable Turbo Boost automatically at launch.Visually know if Turbo Boost is enabled or disabled at any time.It’s installed on your Mac status bar and allows you to: It installs a precompiled kernel extension (32 or 64 bits depending on your system) that updates the Turbo Boost MSR register, so It will ask for your admin password when using it. This will reduce your parallel processing performance so, in some situations, you better disable it.Įnter Turbo Boost Switcher, a small app for Mac computers that allows to enable and/or disable the Turbo Boost feature. Parallel Processing: Turbo Boost is enabled when one of the CPU cores reaches 100%, increasing the core Mhz, but It won’t do it if all or your cores are 100%, since that will create a lot of overheat.This is controlled by hardware, but if you want your computer to live long, better keep it as low as possible. ![]() CPU Overheat: When Turbo Boost is activated, prepare to experiment high temperatures on your CPU, since it pushes till it reaches almost the Junction Tº, usually 100 ✬.The first result should be the Apple Support page for your Mac where you can check if it supports Turbo Boost or not Copy the first line and paste it into Google.ģ. Luckily, there’s a nifty little app that fixes this problem.įirst of all, let’s check if your Mac supports turbo boost ( unless it’s over, let’s say, 5 years old your Mac supports turbo boost but just to make sure ):Ģ. The problem is that Apple gives you no control over Turbo Boost. Most of the time you don’t need it and you only stress the CPU, overheat the computer and the fans spin like crazy. Turbo Boost is enabled by default on all Macs that supports it, and that sounds great.
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