NVIDIA GeForce RTX 3070 's Advantages
Boost Clock has increased by 2% (1725MHz vs 1695MHz)
NVIDIA GeForce RTX 4090 Mobile 's Advantages
Released 2 years and 4 months late
More VRAM (16GB vs 8GB)
Larger VRAM bandwidth (576.0GB/s vs 448.0GB/s)
3840 additional rendering cores
Lower TDP (80W vs 220W)