NVIDIA GeForce GTX 660 Rev. 2 's Advantages
Released 4 years and 10 months late
Boost Clock1032MHz
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (144.2GB/s vs 128.0GB/s)
Lower TDP (140W vs 294W)
ATI Radeon HD 5970 's Advantages
640 additional rendering cores