NVIDIA GeForce RTX 4070 Mobile 's Advantages
Released 3 years and 8 months late
Boost Clock has increased by 66% (1695MHz vs 1024MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.0GB/s vs 14.40GB/s)
4224 additional rendering cores
AMD Radeon 620 Mobile 's Advantages
Lower TDP (50W vs 115W)