NVIDIA GeForce GTX 660 's Advantages
Released 3 years and 9 months late
Boost Clock1032MHz
More VRAM (2GB vs 1024GB)
720 additional rendering cores
Lower TDP (140W vs 204W)
NVIDIA GeForce GTX 285 's Advantages
Larger VRAM bandwidth (159.0GB/s vs 144.2GB/s)