The Raspberry Pi 3 Model B is the successor of the Raspberry Pi 2 introduced exactly one year ago. The new model has built-in Wi-Fi (802.11n) and Bluetooth 4.1 connectivity, meanwhile previous models needed USB adapters to add these functionalities. New model reaches 50-60% increase in performance thanks to a series of improvements, the new model is based on a 64-bit processor, with quad-core 1.2 GHz ARM Cortex-A53 CPU.”]
Source: http://securityaffairs.co/wordpress/44910/breaking-news/raspberry-pi-3-model-b.html