NVIDIA GeForce GTX 870M 's Advantages
Released 5 years and 9 months late
Boost Clock967MHz
More VRAM (3GB vs 256GB)
Larger VRAM bandwidth (120.0GB/s vs 11.20GB/s)
1336 additional rendering cores
NVIDIA GeForce 9300M GS 's Advantages
Lower TDP (13W vs 100W)