AMD Radeon RX 580 Mobile 's Advantages
Released 3 years and 3 months late
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (256.0GB/s vs 80.19GB/s)
1664 additional rendering cores
NVIDIA GeForce GTX 860M 's Advantages
Boost Clock has increased by 1% (1085MHz vs 1077MHz)
Lower TDP (75W vs 100W)