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Windows Experience Index: An In-Depth Look
Saturday, November 18th, 2006
The Windows Experience Index is a new feature built into Windows Vista. It is designed to help 
consumers understand how well Windows Vista and the software running on it will perform on a specific PC. The index achieves this by assessing the performance of the PC and assigning a score to it. The higher the score, the better the PC will perform.
The overall PC performance is represented by the base score. The base score is derived from 5 sub-scores for each of the following 5 attributes:
· Processor
calculations per second
· Memory
operations per second
· Graphics
desktop performance for Windows Aero graphics
· Gaming graphics
3D graphics performance. Useful for gaming and 3D business applications
· Primary hard disk
The data transfer rate of the primary hard disk
The Windows Experience Index is useful for the following:
1. When buying a new PC, it is useful for determining the quality of the Windows experience a buyer can expect from a particular PC.
2. When upgrading a PC, the index is useful for estimating the overall improvement a PC user can expect to get when replacing or adding a new hardware component.
3. When buying software, the software package may include the recommended Windows Experience Index base score a PC should have in order to run the particular software application well. If a PC has that score or a higher one, the software will run well on it. Windows Vista Team Blog : Windows Experience Index: An In-Depth Look
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