The GTX 1080 Ti is based on the GP102-350-A1 die which has the same number of 3584 CUDA Cores as the GP102-400-A1 die the Titan XP has. The NVIDIA Geforce GTX 1080 Ti (OC) scores 31135 points in FireStrike Ultra which is ~29% faster than the 1080 (OC)

When compared to the 980ti in SLI we get 30,900 firestrike score. One 1080ti is faster than two 980ti’s!