Phoronix: Ubuntu 13.10 Can Outperform OS X 10.9 On Intel OpenGL

With Apple's OS X 10.9 "Mavericks" having better OpenGL performance and in compliance with OpenGL 4.1 rather than being GL3-limited as with existing OS X releases, new benchmarks were carried out at Phoronix to see how well Apple's OpenGL driver stack on the current OS X 10.9 developer preview compared to Ubuntu Linux when testing the Intel graphics driver.

http://www.phoronix.com/vr.php?view=18930