NVIDIA GeForce GTX 660 Rev. 2 's Advantages
Released 4 years and 7 months late
Boost Clock1032MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (144.2GB/s vs 21.34GB/s)
640 additional rendering cores
ATI Radeon HD 5570 OEM 's Advantages
Lower TDP (39W vs 140W)