Enlarge / Craig Federighi announces Metal for Mac at WWDC. (credit: Andrew Cunningham)
Note: This testing expands upon the Metal section of our OS X review. We'll be adding these results to the review but thought it would be best to publish them separately to make them easier to find.
OS X El Capitan includes a new graphics API called Metal, the same API the company included in iOS 8 last year. Metal is roughly analogous to technologies like DirectX 12 and the not-quite-finalized Vulkan, designed to improve performance by reducing driver overhead.
We don’t have many real apps to analyze Metal with on OS X, since it's still a brand-new operating system, and the kinds of apps that would benefit (some games, GPU-dependent or GPU-accelerated professional apps like AutoCAD or Photoshop) don’t usually pick up support for this stuff on day one. We have, however, managed to get our hands on a Metal version of the GFXBench graphics benchmark, which we can compare to the OpenGL version to draw some (admittedly limited) conclusions about Metal's improvements.
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