NVIDIA GeForce GT 750M 's Advantages
Lower TDP (50W vs 80W)
NVIDIA GeForce RTX 4090 Mobile 's Advantages
Released 10 years late
Boost Clock has increased by 75% (1695MHz vs 967MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (576.0GB/s vs 64.19GB/s)
9344 additional rendering cores