NVIDIA GeForce GTX 675M 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (96.00GB/s vs 16.00GB/s)
288 additional rendering cores
NVIDIA GeForce 720A 's Advantages
Released 2 years and 4 months late
Boost Clock938MHz
Lower TDP (33W vs 100W)