Beside some new R600 variants AMD is also working on the RV670, which will be launched as the Radeon HD 2950 Pro by the end of this year or in early 2008.
According to VR Zone's sources the RV670 will offer roughly the same performance as the Radeon HD 2900 XT, but at a lower power consumption. The chip will be made on a 55nm process with 320 stream processors and a 256-bit memory interface.
There will be a Gladiator version which will be clocked at 825MHz with 1.2GHz memory and a Revival version which will be slightly slower, with a 750MHz core and 900MHz memory. The Gladiator will use 512MB GDDR4 memory while the Revival will have to do it with 256MB or 512MB GDDR3 memory.
Both cards will occupy just one slot and will offer support for DirectX 10.1, SM 4.1, PCI Express 2.0, UVD and next-gen CrossFire.
The Radeon HD 2950 Pro cards will launch for about $199-$249 by the end of this year or early 2008.