In our benchmarks of Microsoft Windows 8, we have found that Intel`s Windows OpenGL driver is generally superior to that of their open-source Linux graphics driver. Some progress has been made, but in today`s testing of an ASUS Ultrabook bearing an Ivy Bridge processor, Linux has a ways to go for some games in matching the Windows binary performance and features."
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