So they both have about the same performance, since they're both bottlenecked?? My computer is a HP m1264n, you should search the mobo, and see.
Edit~
Can someone tell me the differnce between the RAM I posted earlier, and the PI blacks? They have like the same specs, but the silver ones are cheaper. And do you guys think the E7300, and E7400 can reach 4.5GHz with aircooling? Should I get a Sunbeam CCTF for it, because I don't think I need water cooling for a dual core, since it's very cool.