Using HEVC, videos stream better and take up less space on your Mac, while preserving the same visual quality. With the rising popularity of 4K video, a new industry standard arrives on Mac - HEVC (High Efficiency Video Coding, also known as H.265).1 It can compress video up to 40 percent more than H.264, the current standard for video compression. With macOS High Sierra, we’re introducing the Apple File System to every Mac with all‑flash internal storage, with an advanced architecture that brings a new level of security and responsiveness.
But today’s flash‑based Mac systems open up new possibilities for innovation, so it’s time to lay a new foundation. Our current file system was designed in the early days of Mac, and it has performed beautifully ever since. And a file system is what organizes all that data into files and folders you can access with a click. To your Mac, everything you care about is data. From rearchitecting how it stores your data to improving the efficiency of video streaming to unleashing the full power of your graphics processor, it’s all central to today’s Mac experience. MacOS High Sierra introduces new core technologies that improve the most important functions of your Mac.
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