NVIDIA GeForce GTX TITAN 's Advantages
More VRAM (6GB vs 3GB)
Larger VRAM bandwidth (288.4GB/s vs 192.2GB/s)
1920 additional rendering cores
NVIDIA P106 090 's Advantages
Released 4 years and 5 months late
Boost Clock has increased by 75% (1531MHz vs 876MHz)
Lower TDP (75W vs 250W)