I believe a lot of D.I.Y fan know names such as Hyper PI ,CPUMARK,CrystalMark etc and the one bundle with Window 7 Window Experience Index.
I saw on forum where people use this to benchmark server !!!! and size only at 5MB..
I use it to quick test my laptop
Below was the result on my I5 Core machine , I will going to test it out once my order deliver to my door step..a Sandy Bridge CPU..
Check out this link http://www.primatelabs.ca/geekbench/ where you can download the free version for x86 CPU but if you want to have X64 version you will need to pay for it..