NVIDIA GeForce GTX 980 Mobile 's Advantages
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (224.4GB/s vs 48.00GB/s)
1536 additional rendering cores
AMD Radeon E9172 MXM 's Advantages
Released 2 years and 1 months late
Boost Clock has increased by 7% (1219MHz vs 1140MHz)