NVIDIA GeForce GTX 680M 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (115.2GB/s vs 14.40GB/s)
960 additional rendering cores
AMD Radeon R7 M360 's Advantages
Released 2 years and 11 months late
Boost Clock has increased by 48% (1125MHz vs 758MHz)