NVIDIA GeForce GTX 680M 's Advantages
Larger VRAM bandwidth (115.2GB/s vs 96.00GB/s)
832 additional rendering cores
AMD Radeon E9171 MCM 's Advantages
Released 5 years and 4 months late
Boost Clock has increased by 61% (1219MHz vs 758MHz)
Lower TDP (40W vs 100W)