NVIDIA GeForce GT 750M 's Advantages
Boost Clock has increased by 5% (967MHz vs 920MHz)
Larger VRAM bandwidth (64.19GB/s vs 32.00GB/s)
64 additional rendering cores
AMD Radeon R7 M445 's Advantages
Released 3 years and 4 months late
More VRAM (4GB vs 2GB)