NVIDIA GeForce GTX 660 OEM 's Advantages
Boost Clock888MHz
More VRAM (1536GB vs 1024GB)
Larger VRAM bandwidth (134.4GB/s vs 28.51GB/s)
960 additional rendering cores
NVIDIA GeForce GT 720 OEM 's Advantages
Released 5 years and 2 months late
Lower TDP (50W vs 130W)