Phenom II X2 550BE and Athlon II X2 250
x264 Benchmark 2.0
The x264 Benchmark 2.0 tool is a nifty script that measures a system’s ability to encode a short 720p video into the x264 format.

Results are reported by the tool for both x264.exe version 0.58.747 and v0.59.819M. The results always seem better using the newer of the two, so that is what we report in our charts below.

The X264 benchmark loves multi-core CPUs. It does not love our two dual cores today. If you want to render HD video, go buy something with four or more cores. Benching these chips in x264 was painful.
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