NVIDIA GeForce GTX 970M 's Advantages
Boost Clock has increased by 13% (1038MHz vs 920MHz)
Larger VRAM bandwidth (120.3GB/s vs 32.00GB/s)
960 additional rendering cores
AMD Radeon R7 M445 's Advantages
Released 1 years and 7 months late
More VRAM (4GB vs 3GB)