http://hothardware.com - The Photon 4G features a 1GHz dual-core NVIDIA Tegra 2 processor along with 1GB of RAM and Android 2.3 Gingerbread. Although the Photon 4G has been out for few months, it still has some compelling features that other phones don't offer. For example, the Photon 4G is the first WiMAX equipped phone from Sprint to feature global GSM roaming.