NVIDIA GeForce GTX 570 Rev. 2 's Advantages
Larger VRAM bandwidth (152.0GB/s vs 144.2GB/s)
NVIDIA GeForce GTX 660 Ti 's Advantages
Released 1 years and 8 months late
Boost Clock980MHz
More VRAM (2GB vs 1280GB)
864 additional rendering cores
Lower TDP (150W vs 219W)