A leak GPU-Z screenshot reveal full detailed specifications of GeForce GTX 1080; The GPU is GP104 revision A1 build on 16nm with 314mm² die size featuring 7200M transistors. The card has 64 ROPs and 160 TUMs with 2560 Unified shaders. The pixel fillrate 120.8GPixel/s and texture fillrate 257.1GTexel/s.
Also, the Memory is 8GB 1251MHz GDDR5X with 256bit Bus and 320.3GB/s bandwidth. The GTX 1080 has support for DX12.1 with OpenCL, CUDA, PhysX and Direct Compute 5.0.