The R600 Specs are:
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...