NVIDIA GeForce 920MX 's Advantages
Released 3 years and 7 months late
Boost Clock993MHz
More VRAM (2GB vs 1024GB)
160 additional rendering cores
NVIDIA GeForce GT 620M 's Advantages
Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)
Lower TDP (15W vs 16W)