Above: Nvidia GeForce GTX 980M Image Credit: Nvidia Computer gaming is about to take a big leap forward. Nvidia is launching its next-generation graphics chips for laptops today that the company claims are at about 75 percent of the performance of the fastest desktop graphics processing units (GPU)s. The mobile graphics chips use the new Maxwell architecture that also serves as the foundation for Nvidia’s new desktop GPUs. The Maxwell-based mobile GPUs will be sold under the Nvidia GeForce GTX 980M and 970M brand names. Maxwell chips can deliver twice the performance per watt of power consumed compared to the previous generation of chips. And if you’ve got a desktop gaming machine that is just a little bit old, chances are that the newest gaming laptops will beat it. As with the desktop GPUs , the mobile GPUs are aimed at addressing the trade-off that players find in games such as Call of Duty: They must either emphasize speed of gameplay or quality o...