Please do not turn this into an argument, or mods will close this thread, which wouldn't be fair on the OP.
Play nicely children ^^
Uh, how is this an argument? If you think this is an argument, we know you haven't been here long. Don't post with posts that don't help the OP in any way.
http://www.bjorn3d.com/read.php?cID=1414&pageID=5825
http://www.guru3d.com/article/top-10-games-with-radeon-4870-1-gb--geforce-gtx-260-core-216-test/1
http://www.anandtech.com/video/showdoc.aspx?i=3408&p=1
The Core 216 almost matches the 280 in FPS and beats the 4870 1GB in the majority of tests. I know what I'm talking about.