NVIDIA Quadro K620M 's Advantages
Boost Clock has increased by 1% (1124MHz vs 1114MHz)
Lower TDP (30W vs 75W)
NVIDIA Tesla P4 's Advantages
Released 1 years and 6 months late
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (192.3GB/s vs 14.40GB/s)
2176 additional rendering cores