https://www.raspberrypi.org/blog/raspberry-pi-3-on-sale/
Raspberry Pi 3 featuring:
- A 1.2GHz 64-bit quad-core ARM Cortex-A53 CPU (~10x the performance of Raspberry Pi 1)
- Integrated 802.11n wireless LAN and Bluetooth 4.1
- Complete compatibility with Raspberry Pi 1 and 2