NVIDIA GeForce 940M 's Advantages
Lower TDP (75W vs 185W)
AMD Radeon Pro 580 's Advantages
Released 2 years and 3 months late
Boost Clock has increased by 9% (1200MHz vs 1098MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (217.0GB/s vs 14.40GB/s)
1792 additional rendering cores