vps with single core or multicore (1 CPU or more cpu) for wordpress

Hi,

I am planing to buy vps for wordpress multisite.

I want know is wordpress application support multicore cpu usage.

should i buy vps with single core or multicore (1 CPU or 2 cpu or 4 cpu )for wordpress.

if wordpress could not take advantage of multi cpu then what is the use of paying more for more cpu hosting.

please advice me. I need to buy soon