NVIDIA GRID M60 4A 's Advantages
Boost Clock has increased by 21% (1178MHz vs 977MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (160.4GB/s vs 80.19GB/s)
1536 additional rendering cores
NVIDIA Quadro M620 Mobile 's Advantages
Released 1 years and 5 months late
Lower TDP (30W vs 225W)