NVIDIA GeForce 840A 's Advantages
Lower TDP (33W vs 50W)
AMD Radeon RX 550X Mobile 's Advantages
Released 4 years and 1 months late
Boost Clock has increased by 5% (1176MHz vs 1124MHz)
Larger VRAM bandwidth (48.00GB/s vs 16.02GB/s)
256 additional rendering cores