After months of speculation, NVIDIA's Kepler GK110 GPU-based GeForce graphics card is finally official. Sharing similar specs to the Tesla K20 enterprise part, the GTX Titan boasts 2688 CUDA Cores and 7.1 billion transistors, making it by far the most powerful single GPU ever created for consumers. It also utilizes improved NVIDIA technologies like GPU Boost 2.0. We take a closer look.