FaMeBench is a benchmark tool to measure the speed of the various caches and memory in your PC. It shows bandwidths and latencies for all caches in one screen, but also offers advanced options to benchmark particular details.
Testing is quick, but accurate and is up-to-date for all current processors including 6th generation Intel Core (Skylake) processors.
Version 2 adds CPU benchmarking!
Overview of all caches
Detailed CPU benchmarks
Detailed bandwidth benchmarks