NVIDIA GeForce GTX 670 's Advantages
Boost Clock980MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (192.3GB/s vs 80.19GB/s)
960 additional rendering cores
NVIDIA GeForce GT 740 OEM 's Advantages
Released 2 years and 11 months late
Lower TDP (65W vs 170W)