NVIDIA GeForce 8800 GTS 320 's Advantages
Lower TDP (143W vs 244W)
NVIDIA GeForce GTX 580 Rev. 2 's Advantages
Released 4 years and 4 months late
More VRAM (1536GB vs 320GB)
Larger VRAM bandwidth (192.4GB/s vs 63.36GB/s)
416 additional rendering cores