NVIDIA Quadro K620 's Advantages
Lower TDP (45W vs 250W)
NVIDIA Tesla PG503 216 's Advantages
Released 5 years and 4 months late
Boost Clock has increased by 36% (1530MHz vs 1124MHz)
More VRAM (32GB vs 2GB)
Larger VRAM bandwidth (1133GB/s vs 28.80GB/s)
4736 additional rendering cores