Here's a look at the specifications of the AMD/ATI R600 GPU (as published on Level 505 - the real specs may be different):
If these benchmarks are genuine, the R600 is a bit faster than NVIDIA's GeForce 8800 GTX.64 4-Way SIMD Unified Shaders, 128 Shader Operations/Cycle 32 TMUs, 16 ROPs 512 bit Memory Controller, full 32 bit per chip connection GDDR3 at 900 MHz clock speed (January) GDDR4 at 1.1 GHz clock speed (March, revised edition) Total bandwidth 115 GB/s on GDDR3 Total bandwidth 140 GB/s on GDDR4 Consumer memory support 1024 MB DX10 full compatibility with draft DX10.1 vendor-specific cap removal (unified programming) 32FP internal processing Hardware support for GPU clustering (any 2^n number, not limited to Dual or Quad-GPU) Hardware DVI-HDCP support (High-Bandwidth Digital Content Protection) Hardware Quad-DVI output support (Limited to workstation editions) 230W