NVIDIA Quadro P620 's Advantages
Lower TDP (40W vs 100W)
NVIDIA Quadro P4200 Mobile 's Advantages
Boost Clock has increased by 22% (1647MHz vs 1354MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (192.3GB/s vs 80.13GB/s)
1792 additional rendering cores