NVIDIA GeForce MX450 25W 's Advantages
Lower TDP (25W vs 80W)
NVIDIA GeForce RTX 4090 Mobile 's Advantages
Released 2 years and 5 months late
Boost Clock has increased by 82% (1695MHz vs 930MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (576.0GB/s vs 80.00GB/s)
8832 additional rendering cores