Try avibench tool to check if you have same results.
Vdub is good but not always that transparent.
I was able to saturate 24 threads with Utvideo, which gave 1200fps and 2 GByte/sec reading. This was raid box.
Not sure why you have only 50% CPU usage.
Last edited by kolak; 17th February 2014 at 22:53.
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