AMD Radeon RX 580 Mobile 's Advantages
Released 1 years and 3 months late
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.0GB/s vs 16.02GB/s)
1920 additional rendering cores
NVIDIA GeForce 940MX 's Advantages
Boost Clock has increased by 15% (1242MHz vs 1077MHz)
Lower TDP (23W vs 100W)