Its always Opera when to comes to Mobile, I previously used the default browser coming with my phone I found it really hard to accomplish simple functionalities.
here using opera I find it a lot easier because.
-tab switching is very easy.multiple tabs upto 8 are easily allowed and manageable.
-there is a percentage of data that is saved.
-it is possible to limit hte data usage and loading of extra features like images or .gif.
-fast as any other browser.
-there are setting to clear cache and other dumped files thus enabling to clear more ram space for the phone.
-even private browsing is present in the latest versions of opera mini.
-Download are easily managed.
so then, when it comes to browsing in PC no browser is better than google chrome and when its on mobile I should say opera mini is the best