Which one better?

Left X10.... right X2

Which one better??
click this link to gain the details

give me opinion pls~~

THANKS A LOT

http://www.phonegg.com/compare/26/Sony-Ericsson-XPERIA-X2-vs-Sony-Ericsson-XPERIA-X10.html

http://www.gsmarena.com/piccmp.php3?idType=1&idPhone1=2926&idPhone2=2964&idPhone3=3403