Overall Windows System Performance Rating

Here is the Windows Experience Index of my last Windows Vista Installation.

The installed Windows version is Windows Vista RC1 Ultimate Edition (X64)

The previous installation was the same OS, Windows Vista RC1 Ultimate Edition. But it was 32 bit version. I just installed the 64 bit version of Vista RC1 and the overall performance has raised from 2.8 to 4.0

The performance of the hard disk has been improved to 5.2 in 64 bit installation (X64) from 2.8 in 32 bit installation (X86)

Windows Experience Index for Windows Vista RC1 Ultimate Edition (Build 5600) (X64)

Processor : Calculations per second   4.0 AMD Athlon(tm) 64 Processor 3200+ 2.01GHz

Memory (RAM) : Memory Operations per second   4.3 1023 MB 

Graphics : Desktop performance for Windows Areo   4.0

Gaming Graphics : 3D business and gaming graphics performance  4.2

Primary Hard Disk : Disk data transfer rate  5.2