- The task manager of Chrome tells you exactly why.
- At Chrome launch, all plugins are loaded, and thus the CPU power for the browser process is high.
Since my question had already addressed these two points, I've left the the following comments:
To which the answerer replied with with useful information:
But just ~one hour after the comments were posted, all 3 comments were removed. Why?
My 2 comments explain why the answer doesn't answer my question, which can trigger other people to give other solutions, and the 3rd comment gives some interesting information.