NVIDIA GeForce GTX 570 Rev. 2 's Advantages
Larger VRAM bandwidth (152.0GB/s vs 134.4GB/s)
NVIDIA GeForce GTX 660 OEM 's Advantages
Released 1 years and 8 months late
Boost Clock888MHz
More VRAM (1536GB vs 1280GB)
672 additional rendering cores
Lower TDP (130W vs 219W)