NVIDIA GeForce 8400M GS 's Advantages
Lower TDP (11W vs 33W)
NVIDIA GeForce 930M 's Advantages
Released 7 years and 10 months late
Boost Clock941MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (14.40GB/s vs 6.400GB/s)
368 additional rendering cores