NVIDIA GeForce GTX 860M 's Advantages
Boost Clock has increased by 65% (1085MHz vs 657MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (80.19GB/s vs 64.13GB/s)
NVIDIA GeForce GTX 760A 's Advantages
128 additional rendering cores
Lower TDP (55W vs 75W)