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So, you’re looking at a monitor or laptop that says it has Adaptive-Sync or variable refresh rates. Maybe it’s Nvidia G-Sync or AMD FreeSync. Maybe the vendor was detailed enough to include an Adaptive-Sync range, indicating the refresh rate range, as well as a response time figure and overdrive feature promising extra-smooth video playback. But then you see a bunch of other monitors and laptops claiming the same thing. How can you tell which display will offer a better media experience?
To help, the Video Electronics Standards Association (VESA) launched a certification program Monday for PC monitors and laptop displays with Adaptive-Sync. The Adaptive-Sync Display Compliance Test Specification (Adaptive-Sync Display CTS) aims to provide more insight into the screen tear-fighting technology.
The program, which has already certified some products, has more than 50 criteria for its two tiers: MediaSync Display, which is focused on video playback and requires an Adaptive-Sync range of at least 48 to 60 Hz, and Adaptive-Sync Display, which is focused on gaming and requires an Adaptive-Sync rage of at least 60 to 144 Hz.
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Source: Ars Technica – New Adaptive-Sync performance tiers tackle misleading response times, flicker