NVIDIA GeForce GT 445M 's Advantages
Larger VRAM bandwidth (40.00GB/s vs 28.80GB/s)
NVIDIA GeForce GT 745A 's Advantages
Released 2 years and 11 months late
Boost Clock915MHz
More VRAM (2GB vs 1024GB)
240 additional rendering cores
Lower TDP (33W vs 35W)