NVIDIA GeForce GTX 980 Mobile 's Advantages
Boost Clock has increased by 4% (1140MHz vs 1095MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (224.4GB/s vs 32.00GB/s)
1536 additional rendering cores
AMD Radeon 540X Mobile 's Advantages
Released 3 years and 5 months late