OS X El Capitan looks to change that, that’s the focus of the update basically. The fact is OS X Yosemite is very poorly optimized, it runs slow on everything, it’s just a bad Mac OS update that shouldn’t have happened. It runs better on this Mac, but it’s still slower than it should be, and things chop, grind, stutter, and chug along when they should be blazing fast. Then I bought a MacBook Pro 2015 model because the Yosemite experience was just too poor and I had to work, couldn’t suffer from the speed hit. I had a similar experience as you, but with a 2011 MacBook Air, it ran great with OS X Mavericks but it tanked with OS X Yosemite, felt like I was on a computer from 1992 all of a sudden.

I have hopes for OS X El Capitan, I hope it returns the speed of prior OS X versions. But Apple went further, strongly suggesting that OS X El Capitan will have better performance on the same hardware when compared to the prior version of OS X, with up to 2x faster performance switching apps, 1.4x faster performance launching apps, and other sizable speed gains achieved by system-level optimization. You may notice that requirements to run OS X El Capitan on a Mac matches the list of supported hardware for OS X Yosemite, which matched OS X Mavericks, and that’s intentional, as Apple addressed in the El Capitan debut, where they stated that the Mac OS X 10.11 update would specifically support all Mac hardware that is able to run the previous version of OS X system software. If you aren’t sure, you can quickly find out what Mac model year the hardware was built is by going to the  Apple menu > About this Mac > Overview, and look for the Mac name and year: You’ll also need a few GB of available disk space to install the final version on your Mac, which is typical for updating any system software. Beyond that, the requirements are pretty soft and forgiving. MacBook Pro (13-inch, Mid-2009 or newer), (15-inch, Mid / Late 2007 or newer), (17-inch, Late 2007 or newer)Ī common thread is the Mac must have a 64-bit CPU, which is typically an Intel Core 2 Duo or newer processor.MacBook (13-inch Aluminum, Late 2008), (13-inch, Early 2009 or newer).

Specifically, the supported minimum Mac model list includes the following hardware: In fact, all Macs released over the past five years or so are easily supported, in addition to many that are considerably older than that (some nearly a decade old). For optimal performance, the newest Mac hardware will run the best, but that doesn’t mean you need a brand new computer to run OS X 10.11 when it’s out.

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