NVIDIA GeForce 8800 GS 's Advantages
Lower TDP (105W vs 140W)
NVIDIA GeForce GTX 660 's Advantages
Released 4 years and 8 months late
Boost Clock1032MHz
More VRAM (2GB vs 384GB)
Larger VRAM bandwidth (144.2GB/s vs 38.40GB/s)
864 additional rendering cores