8800GT power saver?

[Xero]

I noticed that my 8800GT works on a slow down while idle.
I mean its brandwidth is 43GB/s and not 58GB/s as its sopposed to be.
Afdter I turn on a game, its going up to full speed.

Is it normal?

 

[Xero]

im sorry for the double but this is very importent to me.
I cant deifne neither is my gpu is ruind or anything else.

any comments?