In the road to the release of Ubuntu 13.04 Raring Ringtail later this month will be a number of articles benchmarking this major Linux distribution update against its friends and competitors. To complement the Ubuntu 13.04 benchmarks already delivered, including Microsoft Windows 7 and Windows 8 benchmarks, here are tests of Apple`s OS X 10.8.3 operating system on a MacBook Pro compared to Ubuntu 12.04.2 LTS, Ubuntu 12.10, and the latest Ubuntu 13.04 (post Beta 2) state. Ubuntu 13.04 is generally competitive with OS X 10.8 and in some new areas is now beating out Apple`s operating system on their own hardware."
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