NVIDIAclaims that independent third-party testing confirms that the NVIDIA GeForce 6800 Ultra and the GeForce 6800 GT graphics processing units (GPUs) deliver faster performance than comparable competitive offerings in Doom 3. The 6800 Ultra DDL graphics card is now available for Power Mac G5s and is required to use one of the new 30-inch Cinema Displays. The testing reveals that the NVIDIA GeForce 6800 Ultra GPU offers the best performance for the upcoming Doom 3 title, with GeForce 6800 GT running a close second.