In the Arc “Alchemist” graphics card, Intel has introduced a new internal display refresh rate technology and supports VESA adaptive synchronization, which it calls Smooth Sync. This feature targets PCs that lack Adaptive Sync support, be it a laptop or desktop platform.
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This technology can reduce the screen tearing problem caused by the GPU output frame rate being out of sync with the monitor refresh rate. According to reports, players can enjoy the lowest possible input lag by simply setting V-sync to “off” in-game.
That said, Intel Smooth Sync seems to work by disabling V-sync in-game so the GPU can stably output the maximum frame rate it can, then blurring the screen with a lightweight jitter filter tear area.
In general, Intel’s technical solution brings much lower latency than V-sync, so even cheap notebooks with fixed refresh rate monitors can enjoy Intel’s unique low-latency gaming technology to avoid screen tearing. Moreover, Smooth Sync is a software feature that has appeared in the latest Arc graphics driver and needs to be used in conjunction with Arc “Alchemist”.
