Valley Benchmark 1.0
A free GPU benchmarking utility for Linux
With Valley Benchmark you can do extreme hardware stability testing, as well as monitor GPU clock and temperature. It provides advanced visual technologies, such as dynamic sky, sun shafts, volumetric clouds, ambient occlusion or DOF, 64,000,000 square meters of extremely detailed, seamless terrain, as well as support for multi-monitor configurations and stereo 3D sound.
Valley Benchmark is a cross-platform application that supports Linux, Mac OS X and Windows operating systems.