AIDA32 is a professional system information, diagnostics and benchmarking program for Win32 platforms. It extracts details of all components of the PC. It also tests the actual read and write speeds of your memory giving a fairly accurate look of true memory performance.
AIDA32 3.93 shows that at their respected speeds all the mdules are performing on the same level. The difference is less than 0.2% between some of the modules at identical speeds.
Using the full installation of Unreal Tournament 2003 along with the newest patch gives us a very nice real world benchmark! A resolution of 1024×768 was tested in Direct3D on the built-in benchmark was also used to see if any differences could be observed.
While only a one fps (frames per second) faster the Corsair XMS PC-4400 pulled ahead of the PMI memory at its rated speed of 550MHz.