Intel released a big Windows graphics driver update that for Haswell hardware now provides OpenGL 4.2 support -- while the Intel Linux driver just hit the milestone of OpenGL 3.3 support. To see how the latest Windows and Linux Intel graphics drivers compare, I ran some new benchmarks on Windows 8.1 against Ubuntu 13.10 to see how the performance pans out in various OpenGL game benchmarks and other graphics workloads."
You do software updates to get the most from favourite programs right? Updating a motherboard BIOS can in a timely manner is also critical. The guide to Flashing a Motherboard BIOS spells out the often complicated steps in plain english. PCSTATS Tips