NVIDIA is planning to start using 55nm process for it complete Graphics chips lineup in second half of 2008. The main reason behind the switch is lower production cost and higher yield. The company will also introduce 4-5 new GPUs based on 55nm process technology before the end of this quarter. According to DigiTimes, NVIDIA’s GT200 and G92b GPUs have already adopted a 55nm process and the company’s mid-range G96, which will launch by end this month, will come in both 65nm and 55nm versions. However, the company’s upcoming GPUs including G94b, G96b and G98b, which are scheduled to launch after August, will all use a 55nm process. It is believed that NVIDIA and AMD have already started working on 40nm process technology for their next generation graphics cards.