As a continuation of the Is The Open-Source NVIDIA Driver Fast Enough For Steam On Linux Gaming? article from earlier this week, here's the results of the latest NVIDIA Linux proprietary graphics driver compared to the Linux 3.18 + Mesa 10.4-devel graphics driver stack when running two of Valve's most popular Steam on Linux gamers.
November 21, 2014
NVIDIA vs. Nouveau Drivers With Linux 3.18 + Mesa 10.4-devel
Read more at Phoronix