NVIDIA Quadro K5000 SYNC 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (172.8GB/s vs 80.13GB/s)
1024 additional rendering cores
NVIDIA Quadro P620 's Advantages
Released 5 years and 1 months late
Boost Clock1354MHz
Lower TDP (40W vs 122W)