The AMD Radeon HD 4770 is one impressive graphics card that performs well under Linux using the Catalyst driver. The open-source drivers do not yet have mode-setting support for the RV740 or even 2D/3D acceleration, but that should simply be a matter of days before this new ATI graphics card begins to work in an open-source stack. Speaking directly to the Radeon HD 4770 on Linux with the Catalyst driver, besides the driver itself having problems in a few of the tests, our only other complaint is the Unified Video Decoding 2 (UVD2) support is still missing. The Catalyst Linux drivers have been shipping with X-Video Bitstream Acceleration (XvBA) support since last year, but no media applications yet support this video acceleration API as AMD has yet to release any patches or documentation.

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