The problem here is what; exactly; constitutes a match?   Street Addresses have sub-elements like street number, road name, and unit number, and then there's the need to match on zip...

Well, the easiest thing to do to account for the differences, is to also test performance with just the normal indexes in place on both machines, and then you'll have...

The first question I'll ask on this is how much network bandwidth exists between the two servers?   If for whatever reason, these servers are on 10/100 Mb network cards, that...