today amd Launches HD 6770 AND HD 6750 but Unfortunately These cards Rename for old card (HD 5770/HD5750)
hd 6770
http://img585.imageshack.us/img585/671/amdhd67701.jpg
hd 5770
http://img220.imageshack.us/img220/4210/amdhd5770.jpg
hd 6750
http://img98.imageshack.us/img98/5729/amdhd6750.jpg
hd 5750
http://img23.imageshack.us/img23/2835/amdhd5750.jpg
hd 6770
76.8 GB/s memory bandwidth (maximum)
hd 5770
76.8 GB/s memory bandwidth
http://www.hardocp.com/images/articl...TJwLkM_2_2.gif
hd 6750
73.6 GB/s memory bandwidth
hd 5750
73.6 GB/s memory bandwidth
http://www.hardocp.com/images/articl...TJwLkM_2_3.gif
this is bad
amd epic fail :down: