"The difference between single to dual CPU was about 40%, with no important differences between 694D Master-S and VP6. The second queries were more complicated and required a greater CPU time, that's why there is a little difference between dual and single CPUs. As we have seen a SCSI disk system can improve in real world a server performance by 30% while memory can improve up to five times a server performance. Dual CPU helps also, but you can not gain more than 50%."
FULL STORY @ PCHARDWARE (http://www.pchardware.ro/Reviews/MSI/694D/694d_p1.shtml)