PassMark is a software company known for its performance benchmarking tools. These tools help users evaluate the performance of computer hardware, such as CPUs, GPUs, and storage devices. By running standardized tests, PassMark provides scores that allow users to compare different components and systems. One of the most popular products from PassMark is the PerformanceTest software. This application offers a suite of tests that measure various aspects of a computer's performance. Users can easily assess their system's capabilities and make informed decisions about upgrades or purchases based on the results.