AMD has been building both its RV670 and the new RV770 GPU on TSMC’s 55nm process for a while now, but it wasn’t until recently that Nvidia caught up by quietly die-shrinking its G92 GPU on the GeForce 9800 GTX+ cards. As it is to be expected Nvidia has more 55nm GPUs up its sleeve and, according to DigiTimes
, four or five of them will come out this quarter.
In addition to Nvidia’s GT200 and G92b GPUs that have already adopted a 55nm process, G94b, G96b, and G98b models will supposedly launch after August. The G94b should be a die-shrink of the G94 that powers GeForce 9600 GT cards, while the GeForce 9500 GT series is expected to launch with a 65nm G96 core in its first iteration by the end of this month, followed by a 55nm G96b variant later on. As for the G98b, it may supplant a GPU that hasn’t even materialized just yet.
The move to a 55nm process will reportedly help lower manufacturing costs by as much as 20 percent, which should help Nvidia counter AMD’s aggressive pricing strategy.