NVIDIA GeForce GTX 980 Ti 's Advantages
Larger VRAM bandwidth (336.6GB/s vs 320.3GB/s)
256 additional rendering cores
NVIDIA GeForce GTX 1080 's Advantages
Released 11 months late
Boost Clock has increased by 61% (1733MHz vs 1076MHz)
More VRAM (8GB vs 6GB)
Lower TDP (180W vs 250W)