NVIDIA has announced the much anticipated flagship of the GeForce series, the GTX 1080 Ti. Based on the same GP102 GPU as the Titan X (Pascal), the 1080 Ti promises to offer nearly the same gaming performance as NVIDIA's most powerful single GPU graphics card but at nearly half the price. The 1080 Ti is closer to the Titan X than it is to the 1080. It takes the GP102 GPU from the Titan X but with two of the 30 SM units disabled. Both cards have the same number of CUDA cores at 3584, same 224 texture units and the same 12 billion transistors but the 1080 Ti has 88 ROP units compared to 96...
Source: http://www.gsmarena.com/nvidia_announces_gtx_1080_ti_at_699-news-23724.php