NVIDIA GeForce GTX 860M 's Advantages
More VRAM (4GB vs 2GB)
AMD Radeon RX 550 Mobile 's Advantages
Released 3 years and 6 months late
Boost Clock has increased by 19% (1287MHz vs 1085MHz)
Larger VRAM bandwidth (96.00GB/s vs 80.19GB/s)
Lower TDP (50W vs 75W)