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The thing that makes the WEI numbers a little difficult to use for benchmarking is that the score numbers aren’t easy to translate into plain meaning. For example, the the gaming graphics score relies on Direct3D rendering and measures blending and shading, thereby automatically penalizing your score if your graphics card doesn’t support Pixel Shader 3.0 specifications. Even so, it is an objective measurement, and you should be able to see a numerical improvement for those things you, uh, improve. Just be aware that Microsoft sometimes has very specific ideas of what makes for a good score in each category. I think the most useful part of WEI is the ability to identify the area where your system is weakest (the lowest score) so you can focus your efforts where upgrades will have the greatest benefit.