You got the larger screen in the 5.
As for the unicorn phone with the all the bands....that's been rumored for years.
Wasn't there just one 4S? I thought if you bought the 4S unlocked you could use it on Verizon or AT&T in the U.S. Of course, the 4S only supported CDMA/EVDO and GSM/HSPA+, but I could've sworn there was just a single 4S and it worked across all the CDMA/GSM bands worldwide.