Notice the spike at the beginning of the test run; it happens on each and every CPU. You can feel the hitch while playing. Apparently, the game is loading some data for the area we're about to enter. Faster CPUs tend to reduce the size of the spike.
Here are more signs of life from the AMD camp. The FX-8350 outright ties the Intel competition, the Core i5-3470, in the FPS average metric, and the FX-8350's 99th percentile frame time is only a fraction longer.
The difference in the latency curves from the FX-8150 to the FX-8350 illustrates AMD's progress. The FX-8150 struggles in roughly a quarter of the frames, with latencies rising to near 20 milliseconds, while the FX-8350 doesn't reach the 20-millisecond mark until the final 4% or so of frames rendered. Once we reach the last 1% or so of really tough frames, the FX-8350 essentially matches the competition from Intel.
That single big spike at the beginning of the test run contributes virtually all of the time the faster CPUs spend beyond our 50-ms threshold, as you can tell from the plots. We burned about 50% more time waiting for that one frame to finish on the FX-8350 than on the competing Intel products.
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