NVIDIA GeForce 840M 's Advantages
Boost Clock has increased by 2% (1124MHz vs 1105MHz)
Lower TDP (33W vs 150W)
AMD Radeon Pro 570 's Advantages
Released 3 years and 3 months late
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (217.0GB/s vs 16.02GB/s)
1408 additional rendering cores