NVIDIA Tesla M10 's Advantages
Boost Clock has increased by 34% (1306MHz vs 977MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (83.20GB/s vs 80.19GB/s)
128 additional rendering cores
NVIDIA Quadro M620 Mobile 's Advantages
Released 8 months late
Lower TDP (30W vs 225W)