NVIDIA GeForce GTX 870M 's Advantages
Released 6 years and 9 months late
Boost Clock967MHz
More VRAM (3GB vs 512GB)
Larger VRAM bandwidth (120.0GB/s vs 25.60GB/s)
1312 additional rendering cores
NVIDIA GeForce 8700M GT 's Advantages
Lower TDP (29W vs 100W)