NVIDIA GeForce GTX 870M 's Advantages
Released 10 months late
Boost Clock has increased by 47% (967MHz vs 657MHz)
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (120.0GB/s vs 64.13GB/s)
576 additional rendering cores
NVIDIA GeForce GTX 760M 's Advantages
Lower TDP (55W vs 100W)