i didn't found any answers to my question so i post here , 7970m ( laptop graphic card ) is compatible with the technology freesync?
Freesync is not supported on Laptops. however, I recommend you check with the laptop manufacturer.
A list of Freesync compatible products available at launch is available here : http://www.amd.com/en-us/innovations/software-technologies/technologies-gaming/freesync
How To Enable AMD FreeSync™
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