NVIDIA GeForce GTX 660 Rev. 2 's Advantages
Released 1 years and 8 months late
Boost Clock has increased by 32% (1032MHz vs 780MHz)
Larger VRAM bandwidth (144.2GB/s vs 28.80GB/s)
576 additional rendering cores
AMD Radeon HD 8570 OEM 's Advantages
Lower TDP (50W vs 140W)