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Turbo Boost is most definitely the most power-hungry and useless technology that cannot be easily disabled on a Mac. Required FilesTo install features Boost techonologyhttp://www.softpedia.com/get/S. Turbo Boost Switcher Pro Mac cracked version – Turbo Boost Switcher Pro is a little application for Mac computers that allows to enable and/or disable the Turbo Boost feature. It installs a precompiled kernel extension (32 or 64 bits depending on your system) that updates the Turbo Boost MSR register, so Turbo Boost Switcher Pro will ask for your admin password when using it. Turbo Boost Switcher is a minimalist macOS application based on a kernel extension that resides in your status bar and allows you to disable and re-enable the Turbo Boost function with minimal effort. Toggle the status of the Turbo Boost function without dealing with the command line.
The best battery life in the 15-inch Retina MacBook Pro line is the base model (without the high-powered GPU), but Apple’s stated 8–9 hours of battery life is only achievable with very light use — if you’re using tools like Xcode, Logic, or Lightroom, you’re lucky to get more than 4 hours.
I used to eke more battery life out of my 2008 MacBook Air by underclocking and undervolting its CPU to a lower speed with CoolBook, but that’s no longer possible on modern Macs.
Modern Intel CPUs use Turbo Boost to dynamically increase CPU speed, depending on workload, up to their thermal limits. The advertised clock speed — 2.2 GHz for the base-model 15-inch — is only the guaranteed minimum.
Turbo Boost Switcher can temporarily disable Turbo Boost, and I was curious to see if disabling it would meaningfully affect battery life.
I devised a simple battery-testing script to simulate light and moderately heavy loads on my brand new, mid-2014-generation, base-model 15-inch Retina MacBook Pro: it loads some popular websites in Safari over Wi-Fi, spending some time scrolling down each one, while playing music in iTunes, then appends the time and battery status to a file in Dropbox, which promptly gets synced. This cycle repeats indefinitely. For the moderately heavy load, the cycle also includes a clean and full compile of Overcast’s iOS app using xcodebuild every few minutes.
I ran this test at 50% brightness (with auto-adjustment disabled), no keyboard illumination, and sound muted until the battery ran out and it shut down. Before running the test, the battery’s cycle count was just 2.
When plugged in and fully charged, I also ran the Geekbench 32-bit single- and multi-core benchmarks, and observed the power range drawn from the wall with a Kill A Watt.
Results
My “Heavy” numbers with Turbo Boost line up well with the very similar 2013 model in AnandTech’s “Heavy” battery test, which gives me confidence in my test. While AnandTech’s “Light” test appears lighter than mine, neither of us could reach Apple’s “8 hour” claim for this model, which is disappointing.
| Turbo Boost | On | Off |
|---|---|---|
| Idle power | 21W | 21W |
| Geekbench power | 58–75W | 36–45W |
| Peak CPU temp. | 90°C | 60°C |
| Geekbench single | 3,130 | 2,143 |
| Geekbench multi | 11,766 | 8,369 |
| Average Xcode build | 22 sec | 30 sec |
| Average web loop | 133 sec | 134 sec |
| Battery Life, Heavy | 4:02 | 5:10 |
| Battery Life, Light | 5:40 | 7:07 |
Disabling Turbo Boost hurts performance of CPU-intensive tasks by about a third, but doesn’t significantly slow down lighter tasks. The MacBook Pro also runs noticeably cooler, and gains about 25% more battery life.
This won’t be worth doing all the time, but it’s nice to have the option.
And I’d still like to see higher battery capacity in normal operation. This is far from a solved problem, and far from any reasonable definition of “all-day” battery life. I hope Apple agrees.
TBS – New Version – 2.10.0
Hi there!
It’s been a lot! but ey, Turbo Boost Switcher is available on its 2.10.0 version containing some new interesting features I think you’ll enjoy.
A couple of them in fact were requested by many of you:
Turbo Boost Switcher Pro Free
- New temperature auto mode (for PRO version only)
- Global hotkeys so you can enable / disable Turbo Boost at will without removing your hands from keyboard 🙂
- Translation improvements.
- Stability and energy efficiency improvements, a must with Big Sur.
- Some other minor issues fixed.
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This update is recommended for everyone.
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Thanks for spreading the word! Enjoy!