NVIDIA GeForce GTX 580 Rev. 2 's Advantages
Larger VRAM bandwidth (192.4GB/s vs 144.2GB/s)
NVIDIA GeForce GTX 650 Ti Boost 's Advantages
Released 1 years and 9 months late
Boost Clock1032MHz
More VRAM (2GB vs 1GB)
256 additional rendering cores
Lower TDP (134W vs 244W)