Opera Mini or Opera Mobile?

Below are some of the key differences between Opera Mini and Opera Mobile

Which of Opera’s Mobile Web Browsers is right for your phone? The answer to this question could be one, the other or both! Opera Mobile will only work on Smartphones capable of running a full web browser application. Opera Mini will work on almost all phones and Smart Phones.

Opera Mini is a mobile web browser that works on almost any phone, from cheap flip phones to advances Smart Phones like BlackBerry, Palm or Windows Mobile.
Opera Mini is free and costs nothing to download.
Opera Mini is a small application that handles most of its processing power by compressing your requested web pages quickly on a remote proxy server, so you can get them super quick, even on an older phone not designed to handle full web pages and content.

Opera Mobile is a powerful full mobile web browser that works on Symbian and Windows Mobile Smartphones
Opera Mobile costs 24$ to download.
Opera Mobile puts a full web browser on your Smart Phone. This means you all your data is processed quickly by your phone, and you get added features like Tabbed Browsing, Speed Dial and more.