AMD Radeon HD 6670A 's Advantages
Larger VRAM bandwidth (64.00GB/s vs 12.80GB/s)
288 additional rendering cores
NVIDIA GeForce GT 720M 's Advantages
Released 2 years and 8 months late
Boost Clock758MHz
More VRAM (2GB vs 1024GB)
Lower TDP (33W vs 45W)