NVIDIA GeForce RTX 3070 Mobile 's Advantages
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (448.0GB/s vs 80.00GB/s)
4224 additional rendering cores
NVIDIA GeForce MX450 30.5W 10Gbps 's Advantages
Boost Clock has increased by 1% (1575MHz vs 1560MHz)
Lower TDP (31W vs 115W)