GeForce GTX 780 's Advantages
Released 1 years late
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (288.4GB/s vs 192.3GB/s)
960 additional rendering cores
GeForce GTX 670 's Advantages
Boost Clock has increased by 9% (980MHz vs 902MHz)
Lower TDP (170W vs 250W)