"The x264 HD benchmark is said to be ideal for a benchmark because the application reports fairly accurate compression results for each pass of the video encoding process, and it uses multi-core processors very efficiently. The AMD Zacate E-350 APU does very well in this benchmark and was faster than the Intel Atom N330 and Core 2 Solo SU3500 in this encoding performance test..."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips