I have a laptop which came with Windows Vista by default. Though I immediately set up dual-boot with Ubuntu, I still need Windows for some applications. The resource consumption by Vista is simply amazing. I've read the rants and the blogs but it's a different feeling when you see it for yourself. Vista, with only the Task Manager application running, takes nearly 1 GB of memory and 7% of a dual-core CPU (i.e. 14% of each). This is with the sidebar gadget disabled (surprisingly this gadget doesn't influence the resource consumption much).
Here's a screenshot:

The task manager (according to itself) is taking quite a large chunk of the CPU (I bet this really comes in handy when you're trying to diagnose a heavily loaded system...) but I can't explain the rest of it. Apparently, much of it is system/kernel time.
Curiously, the number of threads in the system fluctuates between 780 and 800 - all this while the system is static, doing nothing except looking pretty.
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