Unigine's benchmark is to showcase the benefits of DX 11 and the use of tessellation as opposed to normal rendering techniques. The demo has impressive visuals that give an insight into what we can expect from gaming in the future.
PCMark 7 is a tool provided by FutureMark that tests the PCs ability in general office and everyday use. It produces a number that reflects the all-round performance of the PC and is useful to compare between differing setups. For more information, visit the FutureMark website.