Phoronix tested the NVIDIA GeForce GTX 680 with an open-source driver under Linux

Thanks to clean-room reverse-engineering, it is already possible to run the NVIDIA GeForce GTX 680 "Kepler" graphics card on a fully open-source graphics driver complete with OpenGL acceleration. Here are the first benchmarks of this work-in-progress, community-created open-source GeForce 600 series graphics driver.

  Running The NVIDIA GeForce GTX 680 On An Open-Source Driver