NVIDIA GeForce GTX 680M 's Advantages
Larger VRAM bandwidth (115.2GB/s vs 112.0GB/s)
448 additional rendering cores
AMD Radeon E9260 PCIe 's Advantages
Released 4 years and 3 months late
Boost Clock has increased by 58% (1200MHz vs 758MHz)
Lower TDP (80W vs 100W)