NVIDIA GeForce GTX 580 Rev. 2 's Advantages
Larger VRAM bandwidth (192.4GB/s vs 192.3GB/s)
Lower TDP (244W vs 300W)
NVIDIA GeForce GTX 690 's Advantages
Released 11 months late
Boost Clock1019MHz
More VRAM (2GB vs 1GB)
1024 additional rendering cores