NVIDIA GeForce GTX 660 Rev. 2 's Advantages
Released 1 years and 8 months late
Boost Clock1032MHz
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (144.2GB/s vs 10.67GB/s)
800 additional rendering cores
AMD Radeon HD 8450 OEM 's Advantages
Lower TDP (18W vs 140W)