Quote Originally Posted by LordEC911 View Post
Yep, you forgot to divide by 8.
4870 has 115.2Gbps of bandwidth and GTX260 has 111.9Gbps.
Not quite, dividing by 8 gives us GBps (gigabytes per second) as apposed to Gbps (Gigabits per second)

(It must be late over there, because I also make that out to be 112.5GBps for the Radeon, not 115.2...)