sudo dpkg -l | grep nvidia 
[sudo] password for roberto: 
ii  nvidia-340                                            340.93-0ubuntu0.0.1                                 amd64        NVIDIA binary driver - version 340.93
ii  nvidia-340-uvm                                        340.93-0ubuntu0.0.1                                 amd64        Transitional package for nvidia-340
ii  nvidia-libopencl1-340                                 340.93-0ubuntu0.0.1                                 amd64        NVIDIA OpenCL Driver and ICD Loader library
ii  nvidia-opencl-icd-340                                 340.93-0ubuntu0.0.1                                 amd64        NVIDIA OpenCL ICD
ii  nvidia-prime                                          0.6.2                                               amd64        Tools to enable NVIDIA's Prime
ii  nvidia-settings                                       331.20-0ubuntu8                                     amd64        Tool for configuring the NVIDIA graphics driver