NVIDIA GeForce 930M 's Advantages
Released 2 years and 7 months late
Boost Clock941MHz
More VRAM (2GB vs 1024GB)
288 additional rendering cores
NVIDIA GeForce GT 620M 's Advantages
Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)
Lower TDP (15W vs 33W)