This also allows only specific tests to be re-run. ĭetailed raw performance information, like actual disk bandwidth, can be obtained by invoking winsat from the command line. For example, a computer with the lowest subscore being its memory, would benefit more from a RAM upgrade than adding a faster hard drive (or any other component). The WEI can also be used to show which part of a system would be expected to provide the greatest increase in performance when upgraded. For example, the Aero graphical user interface will not automatically be enabled unless the system has a WEI score of 3 or higher. The WEI enables users to match their computer hardware performance with the performance requirements of software. WinSAT reports WEI scores on a scale from 1.0 to 5.9 for Windows Vista, 7.9 for Windows 7, and 9.9 for Windows 8, Windows 10 and Windows 11. The WEI includes five subscores: processor, memory, 2D graphics, 3D graphics, and disk the basescore is equal to the lowest of the subscores and is not an average of the subscores. It measures various performance characteristics and capabilities of the hardware it is running on and reports them as a Windows Experience Index (WEI) score.

The Windows System Assessment Tool ( WinSAT) is a module of Microsoft Windows Vista, Windows 7, Windows 8, Windows 10 and Windows 11 that is available in the Control Panel under Performance Information and Tools (except in Windows 8.1, Windows 10 & Windows 11).

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