Haven't been able to test it myself, but here it is, courtesy of TechPowerUp:
http://www.techpowerup.com/downloads/2205/Unigine_Heaven_DX11_Benchmark_4.0.html
Changes in version 4.0
Benchmarking presets for convenient comparison of results
GPU temperature and clock monitoring
Drastic improvement of SSDO
Stars at nighttime
Improvement of lens flares
New, improved version of UNIGINE Engine under the hood
Detection of multiple GPUs
Anti-aliasing support on Mac OS X
Enhancement of automation scripts in Pro version
New Advanced edition
Russian and Chinese localization
http://www.techpowerup.com/downloads/2205/Unigine_Heaven_DX11_Benchmark_4.0.html
Changes in version 4.0
Benchmarking presets for convenient comparison of results
GPU temperature and clock monitoring
Drastic improvement of SSDO
Stars at nighttime
Improvement of lens flares
New, improved version of UNIGINE Engine under the hood
Detection of multiple GPUs
Anti-aliasing support on Mac OS X
Enhancement of automation scripts in Pro version
New Advanced edition
Russian and Chinese localization