We used three PCs in our testing: a Maingear M4A79T Deluxe desktop PC, an HP Pavilion a6710t desktop, and a Dell Studio XPS 16 laptop. The powerful Maingear comes equipped with a 3.2GHz AMD Phenom II X4 955 Black Edition CPU overclocked to 3.71GHz, 4GB of memory, and dual ATI Radeon HD 4890 graphics processors. The HP Pavilion, a mainstream desktop PC, features a 2.6GHz dualcore Pentium ES300 processor with 3GB of memory and an nVidia GeForce 930GE graphics chip. And finally, the Dell Studio XPS 16 laptop packs a 2.4GHz Intel Core 2 Duo processor, 4GB of memory, and an ATI Mobility Radeon HD 3670 graphics card.

On all three systems, we ran our WorldBench 6 benchmark suite on a clean installation of the 32-bit edition of Windows Vista Ultimate with SP1, repeating the process with the Windows 7 Ultimate release candidate (again, the 32-bit version). We made both operating systems current with Windows Update, and we installed the most up-to-date hardware drivers.



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