NVIDIA GeForce GTX 680M 's Advantages
Released 2 years and 1 months late
Boost Clock758MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (115.2GB/s vs 19.20GB/s)
1024 additional rendering cores
ATI Mobility Radeon HD 550v 's Advantages
Lower TDP (10W vs 100W)