NVIDIA GeForce RTX 4090 Mobile 's Advantages
Released 10 years and 5 months late
Boost Clock1695MHz
More VRAM (16GB vs 1024GB)
Larger VRAM bandwidth (576.0GB/s vs 28.80GB/s)
9632 additional rendering cores
NVIDIA GeForce GT 620M 's Advantages
Lower TDP (15W vs 80W)