Since Windows 7 into the pre-beta, Microsoft revealed a second lot about how Windows 7 will be better than the various versions of Windows earlier. In the Windows Hardware Engineering Conference (WinHEC), Microsoft explains how Windows 7 is designed to complete the boot / shutdown faster and consume less power than the Vista operating system even though they actually have the same foundation.
Left boot and shutdown faster is just one of many aspects of performance improvement of Windows 7 which already promised Steve Sinofsky. Microsoft can reach the boot time faster through a variety of ways (see details in E7):

  • Reducing the number of system services
  • Reduce power consumption CPU, hard disk (HD) and system memory required service
  • Optimization drivers
  • Starting some services and drivers in parallel
  • Optimize prefetching for HD or SSD

Although we have previously discussed how Windows 7 will be more power efficient,  WinHEC conference provides further details on how Microsoft achieved this. Some of them are power consumption less when using a wireless network and some kernel optimization that allows the CPU to operate in lower frequencies and have a longer idle time. The end result is the battery life is better than 11% to 15% better than Vista – Windows 7 pre-beta, the final version would be even better.

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