NVIDIA GeForce GTX 570M 's Advantages
Larger VRAM bandwidth (72.00GB/s vs 12.80GB/s)
144 additional rendering cores
NVIDIA GeForce GT 720M 's Advantages
Released 2 years and 6 months late
Boost Clock758MHz
More VRAM (2GB vs 1GB)
Lower TDP (33W vs 75W)