NVIDIA GeForce GTX 680M 's Advantages
Released 4 years and 6 months late
Boost Clock758MHz
More VRAM (4GB vs 256GB)
Larger VRAM bandwidth (115.2GB/s vs 22.40GB/s)
1224 additional rendering cores
ATI Mobility Radeon HD 2700 's Advantages
Lower TDP (35W vs 100W)