NVIDIA GeForce GTX 780 Ti 6 GB 's Advantages
More VRAM (6GB vs 3GB)
Larger VRAM bandwidth (336.6GB/s vs 192.2GB/s)
2112 additional rendering cores
NVIDIA P106 090 's Advantages
Boost Clock has increased by 65% (1531MHz vs 928MHz)
Lower TDP (75W vs 250W)