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Grand Theft Auto V
Grand Theft Auto V can still put the hurt on today's graphics cards, so we ran through our usual test run with most of the game's settings turned all the way up at 2560x1440.

In GTA V, minor clock-speed bumps lead to minor improvements in performance. Each RX 500-series card is a bit faster and smoother than its RX 400 predecessor, but not by much, and not by enough to catch the GeForce GTX 1060 duo. The RX 580 makes quite the try of it, though.

These "time spent beyond X" graphs are meant to show "badness," those instances where animation may be less than fluid—or at least less than perfect. The formulas behind these graphs add up the amount of time our cards spend beyond certain frame-time thresholds, each with an important implication for gaming smoothness. The 50-ms threshold is the most notable one, since it corresponds to a 20-FPS average. We figure if you're not rendering any faster than 20 FPS, even for a moment, then the user is likely to perceive a slowdown. 33 ms correlates to 30 FPS or a 30Hz refresh rate. Go beyond that with vsync on, and you're into the bad voodoo of quantization slowdowns. 16.7 ms correlates to 60 FPS, that golden mark that we'd like to achieve (or surpass) for each and every frame. And 8.3 ms corresponds to 120 FPS, an even more demanding standard.

Our time-spent-beyond-X graphs continue the theme of minor performance improvements. The RX 570 lops nearly a second off its predecessor's time spent chewing on frames that drop the instantaneous frame rate below 60 FPS, while the RX 580 halves its forebear's already-impressive results here. Moving on.