I plan to use cuDNN on Linux: how to know which cuDNN version I need? Should I always use the most recent one?
E.g. choosing the right CUDA version depends on the Nvidia
In addition to CUDA version requirements, you need to ensure that your GPU has compute capability that is high enough:
Wikipedia's CUDA article has a good list of the various compute capability levels and corresponding GPUs (a similar list is available on Nvidia's compute capability webpage).