CES — On the show floor here at CES today, I spoke briefly with Nvidia’s Tom Petersen, the executive instrumental in the development of G-Sync technology, about the AMD “free sync” demo we reported on yesterday. Alongside the demo, a senior AMD engineering executive asserted that a variable refresh rate capability like G-Sync ought to be possible essentially for free, without adding any extra costs to a display or a PC system. Peterson had several things to say in response to AMD’s demo and claims.

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