P40 has memory bandwidth of 346GB/s which means it should be able to do around 14+ t/s running a 24 GB model+context.
While the memory bandwidth is decent, you do actually need to do matmuls and other compute operations for LLMs, which again its pretty slow at
[0]: https://old.reddit.com/r/LocalLLaMA/comments/1dcdit2/p40_ben... [1]: https://developer.nvidia.com/cuda-gpus