Or you can use the online Geekbench Result Browser to see how well your system performs against others, which could help you to discover how well optimised it is, as well as telling you what sort of improvement you might see from upgrading to various processors. If you're thinking of buying a friend's PC or laptop then the program will show you just how fast it is. Why should you care? If you're overclocking your system, say, then Geekbench will reveal how much extra speed you've squeezed out of your system. Geekbench is an easy-to-use benchmark that will quickly deliver a verdict on your CPU and memory performance.