NVIDIA Quadro K620M 's Advantages
Lower TDP (30W vs 80W)
NVIDIA Quadro RTX 4000 Max Q 's Advantages
Released 4 years and 2 months late
Boost Clock has increased by 23% (1380MHz vs 1124MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (416.0GB/s vs 14.40GB/s)
2176 additional rendering cores