It has 512MB RAM, four USB ports, 40 GPIO pins, and an Ethernet port. In February 2015, it was superseded by the Raspberry Pi 2 Model B, the second generation of the Raspberry Pi. ... It uses a 1.2GHz 64-bit quad-core Arm Cortex-A53 CPU, has 1GB RAM, integrated 802.11n wireless LAN, and Bluetooth 4.1.
