Microsoft cited the following examples to show how to use these features:

Windows ExperIEnce Index (WinEI) is a Microsoft Windows system tool for determining hardware performance and suggesting trials that can score hardware and display Windows operations. Status.
In Vista, the highest score is only 6, the latest hardware is mostly broken, so Windows 7 WinEI will adopt the new scoring model, and the highest score mentioned 7.9, the following is the details:

New rating levels 6 and 7. Highest score 7.9.
DX10 graphics test
Storage system test Add random I/O and write-flush rules to test more accurately Evaluate the storage subsystem.
Add a new disk scoring limit "cap" based on the above
Join the single-threaded CPU test
Strengthen the operational stability
DWM can also be shipped WinSAT, mutual Independent.
Run post-OOBE ("out-of-the-box experIEnce") under non-DWM test and improve the scoring speed.