NVIDIA GeForce GTX 980 's Advantages
Boost Clock1216MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (224.4GB/s vs 28.51GB/s)
1856 additional rendering cores
NVIDIA GeForce GT 720 OEM 's Advantages
Released 3 years and 1 months late
Lower TDP (50W vs 165W)