NVIDIA GeForce GTX 660 's Advantages
Released 5 years and 8 months late
Boost Clock1032MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (144.2GB/s vs 38.40GB/s)
960 additional rendering cores
ATI Radeon X1950 GT 's Advantages
Lower TDP (57W vs 140W)