NVIDIA's take on AMD's under documented free sync

Subject: General Tech | January 8, 2014 - 01:20 PM |
Tagged: tom petersen, nvidia, g-sync, free sync, CES 2014, amd

AMD's free sync has been getting a lot of well deserved attention at this years CES, Ryan had a chance to see it in action if you haven't checked out his look at AMD's under reported and under utilized feature.  AMD missed an opportunity with this technology which NVIDIA picked up on with their G-Sync.  NVIDIA has responded to The Tech Report's comments from yesterday, Tom Petersen stated that while free sync may be an alternative on laptops, desktop displays are a different beast.  They utilize different connections and there is generally a scaler chip between the GPU and the display.  Read his full comments here.

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"AMD demoed its "free sync" alternative to G-Sync on laptops. Desktop displays are different, Nvidia says, and they may not support the variable refresh rate tech behind AMD's solution—at least not yet."

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AMD's under reported dynamic refresh rates

Subject: General Tech | January 7, 2014 - 12:45 PM |
Tagged: g-sync, free sync, dynamic refresh rate, amd

The Tech Report learned yesterday of a feature that AMD has been offering over the past three generations of GPU called dynamic refresh rate, which they billed as a power saving feature.  Skipping an unnecessary vertical screen refresh would certainly save you a bit of power but really isn't that attractive a feature.  NVIDIA looked at this feature in the opposite way, not to save power but to refresh your screen as quickly as it is capable of to provide much smoother graphics and that marketing has had G-SYNC on everyone's lips.  Assuming AMD can get the word out, their variable refresh rate technology should be compatible with most new mobile/laptop products based on the EDP specification, no additional costs or equipment required. 

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"During an impromptu meeting in a hotel ballroom this morning, we got an eye-opening demo of a dynamic refresh rate capability that's been a part of Radeon GPUs for several generations. AMD thinks this feature can be combined with triple buffering to deliver G-Sync-like animation smoothness without the cost associated with specialized display hardware."

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