today amd Launches HD 6770 AND HD 6750 but Unfortunately These cards Rename for old card (HD 5770/HD5750)

hd 6770



hd 5770



hd 6750



hd 5750



hd 6770
76.8 GB/s memory bandwidth (maximum)

hd 5770
76.8 GB/s memory bandwidth


hd 6750
73.6 GB/s memory bandwidth

hd 5750
73.6 GB/s memory bandwidth


this is bad

amd epic fail