Reducing Chrome GPU CPU usage

Solution 1:

Finally applying the Why is "GPU Process" causing such a high CPU usage with Google Chrome? recommandations is the better answer that I thought at first sight.

With the latest version of google chrome (v 45.0.2524.99) along with a change of the AMD driver Trying to configure a HD 7470/8470 - Strange video refresh Title changed and instability of video card provides quite good results in my specific case.

The essential part if it is : "Disabling GPU accelerated canvas 2D" (accessed via the "chrome://flags/" command:

Hope this will help for people having CPU overhead with Google Chrome.

Laurent06000