Speccy is a comprehensive, lightweight, advanced system information tool. Developed by Piriform
License: Freemium
Apps available for Windows
CUDA-Z shows basic information about CUDA-enabled GPUs. Developed by Andriy Golovnya
License: Open Source
Apps available for Mac OS X Windows Linux
Speccy is a comprehensive system information tool focused on detailed hardware monitoring, particularly for temperatures, while CUDA-Z is a lightweight GPU performance monitoring tool that provides specific insights into NVIDIA's CUDA architecture.