Tech ARP Supreme Commander Benchmarking Guide
Supreme Commander is an excellent benchmark for a PC. Although it pushes the CPU harder than the graphics card, it’s still a good test to see how a graphics card affects a CPU-limited game and a great benchmark for a CPU.
Gas Powered Games has made it easy for users by including a built-in benchmark that produces a SupComMark composite score as well as a large bunch of benchmark data, most importantly the average FPS. Just remember to update SupCom before you begin and make sure to download the latest video driver for your card from its manufacturer.
Get all the pertinent information from the benchmark article on Tech ARP.