NVIDIA Quadro FX 2800M 's Advantages
Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)
NVIDIA Quadro K620M 's Advantages
Released 5 years and 3 months late
Boost Clock1124MHz
More VRAM (2GB vs 1024GB)
288 additional rendering cores
Lower TDP (30W vs 75W)