I want a dual core because when I try to record game footage it comes out jumpy because the game takes up 100% cpu and im trying to use fraps at the same time. which is good?

http://cgi.ebay.co.uk/AMD-Athlon-5400-X2-Dual...414eea3cdb
http://cgi.ebay.co.uk/AMD-Athlon-64-X2-3800-S...2559e37ba0
http://cgi.ebay.co.uk/NEW-AMD-Athlon-X2-245-2...2ea869ef71
http://cgi.ebay.co.uk/AMD-Athlon-II-X2-Dual-C...20afe388ed
http://cgi.ebay.co.uk/AMD-Athlon-II-X2-Dual-C...439e699c29

or some other recommendation?