Quote:
Originally Posted by jkauff
In my tests, superfast x264 is not as fast as QuickSync. I have an i5 3570K overclocked to 4.5. Using a 24GB .mkv file as the test source, and .mp4/.m4v as the target, x264 takes ten minutes longer to produce the same size file (using vbr). Quality difference is undetectable on my iPhone. CPU usage is considerably less than half.
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If the CPU usage is less than half,
x264 isn't the reason it's going slowly. Most likely you have a decoder bottleneck preventing either from going any faster.