"Hi Richard - this is a non issue - Doom 3 isn't even available yet, and we all know that some of our competitors use partial precision where possible. We expect to have updated drivers available in the coming weeks."
And with ATI you get full-precision enabled all the time - we don't do PP (on R3XX and R4XX) like some of our competitors. It's also important to note that most of today's games play faster on ATI hardware, and you can expect that to extend to other 'big title' games expected this summer. Chris"
Det verkar alltså enligt ATi vara en drivrutinsfråga. Läs hela svaret från ATi om varför prestandan är så pass dålig i Doom 3 hos Team Radeon.