NVIDIA Quadro RTX 4000 Mobile 's Advantages
Released 1 years and 3 months late
Boost Clock has increased by 8% (1560MHz vs 1443MHz)
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (448.0GB/s vs 96.13GB/s)
2048 additional rendering cores
NVIDIA Quadro P620 Mobile 's Advantages
Lower TDP (40W vs 110W)