NVIDIA GeForce GTX 580 Rev. 2 's Advantages
Released 3 years and 6 months late
More VRAM (1536GB vs 512GB)
Larger VRAM bandwidth (192.4GB/s vs 6.400GB/s)
504 additional rendering cores
NVIDIA GeForce 8400 GS Rev. 2 's Advantages
Lower TDP (25W vs 244W)