VRR Is Not A Magic Bullet - Why G-Sync/FreeSync Can't 'Fix' Performance:
Quote Originally Posted by Digital Foundry
Variable refresh rate - as seen in G-Sync, FreeSync and console VRR - is one of the most transformative display technologies we've seen in gaming. Rather than limit a GPU's performance to the refresh rate of the screen, your hardware takes control instead, eliminating tearing and smoothing away variable frame-rates... except it's no magic bullet. VRR can only go so far - and it has no answer to egregious stuttering. Alex reveals all in a new Tech Focus.

0:00:00 Introduction
0:01:06 What are VRR's benefits?
0:07:20 What are VRR's limitations?
0:16:00 Why can't VRR fix game performance?
0:22:16 Conclusion