NVIDIA GeForce GTX 680M 's Advantages
Released 1 years and 9 months late
Boost Clock758MHz
More VRAM (4GB vs 1536GB)
Larger VRAM bandwidth (115.2GB/s vs 72.00GB/s)
1056 additional rendering cores
NVIDIA GeForce GTX 470M 's Advantages
Lower TDP (75W vs 100W)