NVIDIA GeForce GT 415M 's Advantages
Lower TDP (12W vs 50W)
NVIDIA GeForce GTX 660M 's Advantages
Released 1 years and 6 months late
Boost Clock950MHz
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (64.00GB/s vs 25.60GB/s)
336 additional rendering cores