DisplayPort 1.2a: http://techreport.com/news/26451/adapti ... yport-specRobert Hallock wrote: Project FreeSync will utilize DisplayPort Adaptive-Sync protocols to enable dynamic refresh rates for video playback, gaming and power-saving scenarios. The AMD Radeon R9 295X2, 290X, R9 290, R7 260X and R7 260 feature updated display controllers that will support dynamic refresh rates during gaming. AMD APUs codenamed Kaveri, Kabini, Temash, Beema and Mullins also feature the necessary hardware capabilities. All products must be connected to a display that supports DisplayPort Adaptive-Sync.
We’ll allow users to toggle Project FreeSync in the driver. Operating system support will initially be brought to Windows 7 and Windows 8.1.
We expect Project FreeSync-ready monitors to be available in retail within 6-12 months.
The engineering timeline of the Radeon R9 and R7 Series, which feature Project FreeSync-compatible display controllers, establishes that FreeSync predates G-Sync by a healthy margin.
...which means frame presentation to the user will never be delayed or impaired by time-consuming two-way handshakes.
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