NVIDIA GeForce GTX 460M 's Advantages
Larger VRAM bandwidth (60.00GB/s vs 28.80GB/s)
NVIDIA GeForce GTX 850A 's Advantages
Released 3 years and 6 months late
Boost Clock936MHz
More VRAM (2GB vs 1GB)
448 additional rendering cores
Lower TDP (45W vs 50W)