NVIDIA GeForce GT 720M 's Advantages
More VRAM (2GB vs 1024GB)
NVIDIA GeForce 945M 's Advantages
Released 2 years and 4 months late
Boost Clock has increased by 57% (1189MHz vs 758MHz)
Larger VRAM bandwidth (16.02GB/s vs 12.80GB/s)
192 additional rendering cores
Lower TDP (23W vs 33W)