NVIDIA GeForce GTX 780 6 GB 's Advantages
More VRAM (6GB vs 3GB)
Larger VRAM bandwidth (288.4GB/s vs 192.2GB/s)
1536 additional rendering cores
NVIDIA P106 090 's Advantages
Released 3 years and 10 months late
Boost Clock has increased by 70% (1531MHz vs 902MHz)
Lower TDP (75W vs 250W)