Ubuntu Guide shows you how to install the AMD Catalyst 13.9 Drivers in Ubuntu
The AMD Catalyst 13.9 Drivers for Linux has been released. No official release announcement/change-log has yet to be issued. This is based on Catalyst 13.6 Beta (NOT 13.8) with more fixes. So Xserver 1.14 support, GLX_EXT_buffer_age extension support, UVD/OpenGL/Vsync fixes against the last final driver, Catalyst 13.4.How to Install AMD Catalyst 13.9 Drivers in Ubuntu
To install this driver in Ubuntu 13.04 Raring, Ubuntu 12.04 Precise and Ubuntu 12.10 Quantal. First download the package from the link below