NVIDIA GeForce 840A 's Advantages
Boost Clock has increased by 5% (1124MHz vs 1074MHz)
Lower TDP (33W vs 85W)
AMD Radeon RX 470 Mobile 's Advantages
Released 2 years and 5 months late
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (224.0GB/s vs 16.02GB/s)
1664 additional rendering cores