NVIDIA GeForce GTX 660 Ti 's Advantages
Released 4 years and 4 months late
Boost Clock980MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (144.2GB/s vs 26.50GB/s)
1024 additional rendering cores
ATI Radeon HD 3830 's Advantages
Lower TDP (75W vs 150W)