NVIDIA Quadro T2000 Mobile 's Advantages
Released 2 years and 4 months late
Boost Clock has increased by 83% (1785MHz vs 977MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (128.1GB/s vs 80.19GB/s)
512 additional rendering cores
NVIDIA Quadro M620 Mobile 's Advantages
Lower TDP (30W vs 60W)