Raspberry Pi 3 key improvements from the Raspberry Pi 2: enhanced Performance Next Generation QUAD Core Broadcom BCM2837 64bit ARMv 8 processor Processor speed has increased from 900 M Hz on the Raspberry Pi 2 to 1.2 G Hz on the Raspberry pi 3 Model B enhanced Connectivity BCM43143 Wi Fi on board Bluetooth Low Energy (BLE) on board enhanced Power Management Upgraded switched power source up to 2.5 Amps (can now power even more powerful devices over USB (Universal Serial Bus) ports) Specifications Broadcom BCM2837 64bit ARMv 8 QUAD Core 64bit Processor powered Single Board Computer running at 1.2 G Hz 1GB RAM BCM43143 Wi Fi on board Bluetooth Low Energy (BLE) on board 40pin extended GPIO 4 x USB2 ports 4 pole Stereo output & Composite video port Full size HDMI CSI camera port for connecting the Raspberry Pi camera DSI display port for connecting the Raspberry Pi touch screen display Micro SD port for loading your operating system & storing data Upgraded switched Micro USB (Universal Serial Bus) power source (now supports up to 2.5 Amps)