GeForce GTX 950M 's Advantages
Released 1 years late
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)
384 additional rendering cores
GeForce 830M 's Advantages
Boost Clock has increased by 2% (1150MHz vs 1124MHz)
Lower TDP (33W vs 75W)