NVIDIA GeForce GTX 660 Rev. 2 's Advantages
Released 3 years and 6 months late
Boost Clock1032MHz
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (144.2GB/s vs 57.73GB/s)
768 additional rendering cores
NVIDIA GeForce GTS 450 Rev. 2 's Advantages
Lower TDP (106W vs 140W)