Great to see Unigine pretty much the same between the two OS's, especially considering Linux has no real quality development put into the graphics side of things.
These tests show that Linux is maturing in the gaming and graphics. We are in a great period where opportunity for game makers opened up by mobile Linux devices prominence. Linux has a special placing in mobile area that Microsoft can't meet any time soon. People simply don't want Windows Mobile 7, or other operating system that are limited and suppressive. Apple is the only exceptions to this rule as they are attracting people who are buying an fashion image, not so much computing.
All Linux fields should be dedicating all their emphasis on graphics drivers, 3d standards, and quality of use, or the opportunity will be lost.