NVIDIA GeForce RTX 3070 Mobile 's Advantages
Released 7 years and 5 months late
Boost Clock has increased by 70% (1560MHz vs 915MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (448.0GB/s vs 28.80GB/s)
4736 additional rendering cores
NVIDIA GeForce GT 745A 's Advantages
Lower TDP (33W vs 115W)