NVIDIA GeForce 620M 's Advantages
Lower TDP (15W vs 85W)
AMD Radeon RX 570 Mobile 's Advantages
Released 5 years and 9 months late
Boost Clock1206MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (211.2GB/s vs 14.40GB/s)
1952 additional rendering cores