NVIDIA GeForce GTX 680M 's Advantages
Released 1 years and 5 months late
Boost Clock758MHz
More VRAM (4GB vs 512GB)
Larger VRAM bandwidth (115.2GB/s vs 12.80GB/s)
1328 additional rendering cores
NVIDIA GeForce 315M 's Advantages
Lower TDP (14W vs 100W)