NVIDIA GeForce 840M 's Advantages
Lower TDP (33W vs 50W)
AMD Radeon RX 550 Mobile 's Advantages
Released 3 years and 4 months late
Boost Clock has increased by 15% (1287MHz vs 1124MHz)
Larger VRAM bandwidth (96.00GB/s vs 16.02GB/s)
256 additional rendering cores