AMD Radeon Pro V620 's Advantages
Released 8 years and 7 months late
Boost Clock has increased by 108% (2200MHz vs 1058MHz)
More VRAM (32GB vs 2GB)
Larger VRAM bandwidth (512.0GB/s vs 192.3GB/s)
3072 additional rendering cores
NVIDIA GeForce GTX 680 Mac Edition 's Advantages
Lower TDP (195W vs 300W)