NVIDIA GeForce GTX 580 's Advantages
Released 3 years and 10 months late
More VRAM (1536GB vs 512GB)
Larger VRAM bandwidth (192.4GB/s vs 67.20GB/s)
512 additional rendering cores
ATI Radeon X1950 XTX Uber Edition 's Advantages
Lower TDP (125W vs 244W)